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ixgbe/base: move X550 MDIO clock speed init

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The x550 MDIO clock speed must be configured prior to first MDIO read or
write. The default MDIO clock speed is not valid, therefore the driver
is configuring a valid speed prior to reading the copper PHY device id.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
This commit is contained in:
Wenzhuo Lu 2015-11-20 15:17:52 +08:00 committed by Thomas Monjalon
parent bd33a76533
commit 28ee76db18
1 changed files with 7 additions and 9 deletions
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16
drivers/net/ixgbe/base/ixgbe_x550.c
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@ -1532,9 +1532,14 @@ s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
/* flush pending Tx transactions */
ixgbe_clear_tx_pending(hw);
/* PHY ops must be identified and initialized prior to reset */
if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) {
/* Config MDIO clock speed before the first MDIO PHY access */
hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
hlreg0 &= ~IXGBE_HLREG0_MDCSPD;
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
}
/* Identify PHY and related function pointers */
/* PHY ops must be identified and initialized prior to reset */
status = hw->phy.ops.init(hw);
if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
@ -1611,13 +1616,6 @@ mac_reset_top:
hw->mac.num_rar_entries = 128;
hw->mac.ops.init_rx_addrs(hw);
if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) {
/* Config MDIO clock speed. */
hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
hlreg0 &= ~IXGBE_HLREG0_MDCSPD;
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
}
if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP)
ixgbe_setup_mux_ctl(hw);