This patch adds ixgbe_read_mng_if_sel_x550em to read NW_MNG_IF_SEL
register and save fields such as PHY MDIO_ADD.
Signed-off-by: Beilei Xing <beilei.xing at intel.com>
---
drivers/net/ixgbe/base/ixgbe_type.h | 2 ++
drivers/net/ixgbe/base/ixgbe_x550.c | 48 +++++++++++++++++++++++--------------
2 files changed, 32 insertions(+), 18 deletions(-)
diff --git a/drivers/net/ixgbe/base/ixgbe_type.h
b/drivers/net/ixgbe/base/ixgbe_type.h
index de295e1..da1fe16 100644
--- a/drivers/net/ixgbe/base/ixgbe_type.h
+++ b/drivers/net/ixgbe/base/ixgbe_type.h
@@ -4134,6 +4134,8 @@ struct ixgbe_hw {
#define IXGBE_SB_IOSF_TARGET_KR_PHY 0
#define IXGBE_NW_MNG_IF_SEL 0x00011178
+#define IXGBE_NW_MNG_IF_SEL_MDIO_ACT (1 << 1)
+#define IXGBE_NW_MNG_IF_SEL_ENABLE_10_100M (1 << 23)
#define IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE (1 << 24)
#define IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT 3
#define IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD \
diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c
b/drivers/net/ixgbe/base/ixgbe_x550.c
index e91546c..22081d4 100644
--- a/drivers/net/ixgbe/base/ixgbe_x550.c
+++ b/drivers/net/ixgbe/base/ixgbe_x550.c
@@ -338,9 +338,8 @@ static s32 ixgbe_identify_phy_1g(struct ixgbe_hw *hw)
{
u16 phy_id_high;
u16 phy_id_low;
- u32 val = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL);
+ u32 val;
- hw->phy.addr = (val >> 3) & 0x1F;
val = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_ID_HIGH,
hw->phy.addr, &phy_id_high);
if (val || phy_id_high == 0xFFFF) {
@@ -1842,6 +1841,33 @@ STATIC s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw
*hw,
}
/**
+ * 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, and check for valid
field
+ * values.
+ **/
+STATIC s32 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->mac.type == ixgbe_mac_X550EM_a &&
+ hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_MDIO_ACT) {
+ hw->phy.addr = (hw->phy.nw_mng_if_sel &
+ IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD) >>
+ IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT;
+ }
+
+ return IXGBE_SUCCESS;
+}
+
+/**
* ixgbe_init_phy_ops_X550em - PHY/SFP specific init
* @hw: pointer to hardware structure
*
@@ -1858,14 +1884,11 @@ 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);
phy->ops.identify_sfp = ixgbe_identify_sfp_module_X550em;
}
@@ -1892,11 +1915,6 @@ s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
break;
case ixgbe_phy_x550em_ext_t:
- /* 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);
-
/* If internal link mode is XFI, then setup iXFI internal link,
* else setup KR now.
*/
@@ -2255,12 +2273,6 @@ s32 ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw,
/* Configure internal PHY for KR/KX. */
ixgbe_setup_kr_speed_x550em(hw, speed);
- /* Get CS4227 MDIO address */
- hw->phy.addr =
- (hw->phy.nw_mng_if_sel &
- IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD)
- >> IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT;
-
if (hw->phy.addr == 0x0 || hw->phy.addr == 0xFFFF) {
/* Find Address */
DEBUGOUT("Invalid NW_MNG_IF_SEL.MDIO_PHY_ADD value\n");
--
2.5.0
