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ixgbe: Read and parse NW_MNG_IF_SEL register

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Read the IXGBE_NW_MNG_IF_SEL register and use it to set interface
attributes.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Mark Rustad 2016-04-01 12:18:25 -07:00 committed by Jeff Kirsher
parent c898fe2804
commit 537cc5df4f
2 changed files with 37 additions and 5 deletions
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5
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
View File

@ -3649,5 +3649,10 @@ struct ixgbe_info {
#define IXGBE_SB_IOSF_TARGET_KX4_PCS1 3
#define IXGBE_NW_MNG_IF_SEL 0x00011178
#define IXGBE_NW_MNG_IF_SEL_MDIO_ACT BIT(1)
#define IXGBE_NW_MNG_IF_SEL_ENABLE_10_100M BIT(23)
#define IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE BIT(24)
#define IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT 3
#define IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD \
(0x1F << IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT)
#endif /* _IXGBE_TYPE_H_ */

37
drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
View File

@ -2137,6 +2137,36 @@ static s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw)
return status;
}
/**
* ixgbe_read_mng_if_sel_x550em - Read NW_MNG_IF_SEL register
* @hw: pointer to hardware structure
*
* Read NW_MNG_IF_SEL register and save field values.
*/
static void ixgbe_read_mng_if_sel_x550em(struct ixgbe_hw *hw)
{
/* Save NW management interface connected on board. This is used
* to determine internal PHY mode.
*/
hw->phy.nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL);
/* If X552 (X550EM_a) and MDIO is connected to external PHY, then set
* PHY address. This register field was has only been used for X552.
*/
if (!hw->phy.nw_mng_if_sel) {
if (hw->mac.type == ixgbe_mac_x550em_a) {
struct ixgbe_adapter *adapter = hw->back;
e_warn(drv, "nw_mng_if_sel not set\n");
}
return;
}
hw->phy.mdio.prtad = (hw->phy.nw_mng_if_sel &
IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD) >>
IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT;
}
/** ixgbe_init_phy_ops_X550em - PHY/SFP specific init
* @hw: pointer to hardware structure
*
@ -2151,14 +2181,11 @@ static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
hw->mac.ops.set_lan_id(hw);
ixgbe_read_mng_if_sel_x550em(hw);
if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) {
phy->phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
ixgbe_setup_mux_ctl(hw);
/* Save NW management interface connected on board. This is used
* to determine internal PHY mode.
*/
phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL);
}
/* Identify the PHY or SFP module */