diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c | 61 |
1 files changed, 34 insertions, 27 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c index 28b81ae09b5a..acafe391f0a3 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c @@ -43,7 +43,7 @@ static s32 ixgbe_clock_out_i2c_bit(struct ixgbe_hw *hw, bool data); static void ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl); static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl); static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data); -static bool ixgbe_get_i2c_data(u32 *i2cctl); +static bool ixgbe_get_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl); static void ixgbe_i2c_bus_clear(struct ixgbe_hw *hw); static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id); static s32 ixgbe_get_phy_id(struct ixgbe_hw *hw); @@ -576,6 +576,10 @@ s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw, *speed |= IXGBE_LINK_SPEED_100_FULL; } + /* Internal PHY does not support 100 Mbps */ + if (hw->mac.type == ixgbe_mac_X550EM_x) + *speed &= ~IXGBE_LINK_SPEED_100_FULL; + return status; } @@ -632,6 +636,9 @@ s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw, ixgbe_link_speed *speed, * @hw: pointer to hardware structure * * Restart autonegotiation and PHY and waits for completion. + * This function always returns success, this is nessary since + * it is called via a function pointer that could call other + * functions that could return an error. **/ s32 ixgbe_setup_phy_link_tnx(struct ixgbe_hw *hw) { @@ -1610,7 +1617,7 @@ fail: **/ static void ixgbe_i2c_start(struct ixgbe_hw *hw) { - u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); + u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL_BY_MAC(hw)); /* Start condition must begin with data and clock high */ ixgbe_set_i2c_data(hw, &i2cctl, 1); @@ -1639,7 +1646,7 @@ static void ixgbe_i2c_start(struct ixgbe_hw *hw) **/ static void ixgbe_i2c_stop(struct ixgbe_hw *hw) { - u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); + u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL_BY_MAC(hw)); /* Stop condition must begin with data low and clock high */ ixgbe_set_i2c_data(hw, &i2cctl, 0); @@ -1697,9 +1704,9 @@ static s32 ixgbe_clock_out_i2c_byte(struct ixgbe_hw *hw, u8 data) } /* Release SDA line (set high) */ - i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - i2cctl |= IXGBE_I2C_DATA_OUT; - IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, i2cctl); + i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL_BY_MAC(hw)); + i2cctl |= IXGBE_I2C_DATA_OUT_BY_MAC(hw); + IXGBE_WRITE_REG(hw, IXGBE_I2CCTL_BY_MAC(hw), i2cctl); IXGBE_WRITE_FLUSH(hw); return status; @@ -1715,7 +1722,7 @@ static s32 ixgbe_get_i2c_ack(struct ixgbe_hw *hw) { s32 status = 0; u32 i = 0; - u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); + u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL_BY_MAC(hw)); u32 timeout = 10; bool ack = true; @@ -1728,8 +1735,8 @@ static s32 ixgbe_get_i2c_ack(struct ixgbe_hw *hw) /* Poll for ACK. Note that ACK in I2C spec is * transition from 1 to 0 */ for (i = 0; i < timeout; i++) { - i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - ack = ixgbe_get_i2c_data(&i2cctl); + i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL_BY_MAC(hw)); + ack = ixgbe_get_i2c_data(hw, &i2cctl); udelay(1); if (ack == 0) @@ -1758,15 +1765,15 @@ static s32 ixgbe_get_i2c_ack(struct ixgbe_hw *hw) **/ static s32 ixgbe_clock_in_i2c_bit(struct ixgbe_hw *hw, bool *data) { - u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); + u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL_BY_MAC(hw)); ixgbe_raise_i2c_clk(hw, &i2cctl); /* Minimum high period of clock is 4us */ udelay(IXGBE_I2C_T_HIGH); - i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - *data = ixgbe_get_i2c_data(&i2cctl); + i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL_BY_MAC(hw)); + *data = ixgbe_get_i2c_data(hw, &i2cctl); ixgbe_lower_i2c_clk(hw, &i2cctl); @@ -1786,7 +1793,7 @@ static s32 ixgbe_clock_in_i2c_bit(struct ixgbe_hw *hw, bool *data) static s32 ixgbe_clock_out_i2c_bit(struct ixgbe_hw *hw, bool data) { s32 status; - u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); + u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL_BY_MAC(hw)); status = ixgbe_set_i2c_data(hw, &i2cctl, data); if (status == 0) { @@ -1822,14 +1829,14 @@ static void ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl) u32 i2cctl_r = 0; for (i = 0; i < timeout; i++) { - *i2cctl |= IXGBE_I2C_CLK_OUT; - IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, *i2cctl); + *i2cctl |= IXGBE_I2C_CLK_OUT_BY_MAC(hw); + IXGBE_WRITE_REG(hw, IXGBE_I2CCTL_BY_MAC(hw), *i2cctl); IXGBE_WRITE_FLUSH(hw); /* SCL rise time (1000ns) */ udelay(IXGBE_I2C_T_RISE); - i2cctl_r = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - if (i2cctl_r & IXGBE_I2C_CLK_IN) + i2cctl_r = IXGBE_READ_REG(hw, IXGBE_I2CCTL_BY_MAC(hw)); + if (i2cctl_r & IXGBE_I2C_CLK_IN_BY_MAC(hw)) break; } } @@ -1844,9 +1851,9 @@ static void ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl) static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl) { - *i2cctl &= ~IXGBE_I2C_CLK_OUT; + *i2cctl &= ~IXGBE_I2C_CLK_OUT_BY_MAC(hw); - IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, *i2cctl); + IXGBE_WRITE_REG(hw, IXGBE_I2CCTL_BY_MAC(hw), *i2cctl); IXGBE_WRITE_FLUSH(hw); /* SCL fall time (300ns) */ @@ -1864,19 +1871,19 @@ static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl) static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data) { if (data) - *i2cctl |= IXGBE_I2C_DATA_OUT; + *i2cctl |= IXGBE_I2C_DATA_OUT_BY_MAC(hw); else - *i2cctl &= ~IXGBE_I2C_DATA_OUT; + *i2cctl &= ~IXGBE_I2C_DATA_OUT_BY_MAC(hw); - IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, *i2cctl); + IXGBE_WRITE_REG(hw, IXGBE_I2CCTL_BY_MAC(hw), *i2cctl); IXGBE_WRITE_FLUSH(hw); /* Data rise/fall (1000ns/300ns) and set-up time (250ns) */ udelay(IXGBE_I2C_T_RISE + IXGBE_I2C_T_FALL + IXGBE_I2C_T_SU_DATA); /* Verify data was set correctly */ - *i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); - if (data != ixgbe_get_i2c_data(i2cctl)) { + *i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL_BY_MAC(hw)); + if (data != ixgbe_get_i2c_data(hw, i2cctl)) { hw_dbg(hw, "Error - I2C data was not set to %X.\n", data); return IXGBE_ERR_I2C; } @@ -1891,9 +1898,9 @@ static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data) * * Returns the I2C data bit value **/ -static bool ixgbe_get_i2c_data(u32 *i2cctl) +static bool ixgbe_get_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl) { - if (*i2cctl & IXGBE_I2C_DATA_IN) + if (*i2cctl & IXGBE_I2C_DATA_IN_BY_MAC(hw)) return true; return false; } @@ -1907,7 +1914,7 @@ static bool ixgbe_get_i2c_data(u32 *i2cctl) **/ static void ixgbe_i2c_bus_clear(struct ixgbe_hw *hw) { - u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); + u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL_BY_MAC(hw)); u32 i; ixgbe_i2c_start(hw); |
