STATIC s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed);
STATIC s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *, u32 mask);
STATIC void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *, u32 mask);
+STATIC s32 ixgbe_read_mng_if_sel_x550em(struct ixgbe_hw *hw);
/**
* ixgbe_init_ops_X550 - Inits func ptrs and MAC type
*/
STATIC s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
{
+ hw->mac.ops.set_lan_id(hw);
+
+ ixgbe_read_mng_if_sel_x550em(hw);
+
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_A_SFP:
- hw->phy.ops.read_reg = ixgbe_read_phy_reg_x550a;
- hw->phy.ops.write_reg = ixgbe_write_phy_reg_x550a;
- if (hw->bus.lan_id)
- hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY1_SM;
- else
- hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY0_SM;
return ixgbe_identify_module_generic(hw);
case IXGBE_DEV_ID_X550EM_X_SFP:
/* set up for CS4227 usage */
- hw->phy.phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
ixgbe_setup_mux_ctl(hw);
ixgbe_check_cs4227(hw);
/* Fallthrough */
hw->phy.type = ixgbe_phy_x550em_kr;
break;
case IXGBE_DEV_ID_X550EM_A_10G_T:
- hw->phy.ops.read_reg = ixgbe_read_phy_reg_x550a;
- hw->phy.ops.write_reg = ixgbe_write_phy_reg_x550a;
- /* Fallthrough to ixgbe_identify_phy_generic */
case IXGBE_DEV_ID_X550EM_A_1G_T:
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
case IXGBE_DEV_ID_X550EM_X_1G_T:
/* Start with generic X550EM init */
ret_val = ixgbe_init_ops_X550EM(hw);
- mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550;
- mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550;
+ if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII ||
+ hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII_L) {
+ mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550;
+ mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550;
+ } else {
+ mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550a;
+ mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550a;
+ }
mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550a;
mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550a;
- mac->ops.fc_autoneg = ixgbe_fc_autoneg_x550a;
switch (mac->ops.get_media_type(hw)) {
case ixgbe_media_type_fiber:
mac->ops.setup_fc = ixgbe_setup_fc_fiber_x550em_a;
+ mac->ops.fc_autoneg = ixgbe_fc_autoneg_fiber_x550em_a;
break;
case ixgbe_media_type_backplane:
+ mac->ops.fc_autoneg = ixgbe_fc_autoneg_backplane_x550em_a;
mac->ops.setup_fc = ixgbe_setup_fc_backplane_x550em_a;
break;
default:
break;
}
+ if ((hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T) ||
+ (hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)) {
+ mac->ops.fc_autoneg = ixgbe_fc_autoneg_sgmii_x550em_a;
+ mac->ops.setup_fc = ixgbe_setup_fc_sgmii_x550em_a;
+ }
+
return ret_val;
}
/* Configure DMA coalescing enabled */
switch (hw->mac.dmac_config.link_speed) {
+ case IXGBE_LINK_SPEED_10_FULL:
case IXGBE_LINK_SPEED_100_FULL:
pb_headroom = IXGBE_DMACRXT_100M;
break;
}
/**
- * ixgbe_write_iosf_sb_reg_x550 - Writes a value to specified register of the IOSF
- * device
+ * ixgbe_write_iosf_sb_reg_x550 - Writes a value to specified register
+ * of the IOSF device
* @hw: pointer to hardware structure
* @reg_addr: 32 bit PHY register to write
* @device_type: 3 bit device type
}
/**
- * ixgbe_read_iosf_sb_reg_x550 - Writes a value to specified register of the IOSF
- * device
+ * ixgbe_read_iosf_sb_reg_x550 - Reads specified register of the IOSF device
* @hw: pointer to hardware structure
* @reg_addr: 32 bit PHY register to write
* @device_type: 3 bit device type
- * @phy_data: Pointer to read data from the register
+ * @data: Pointer to read data from the register
**/
s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u32 *data)
}
/**
- * ixgbe_read_iosf_sb_reg_x550a - Writes a value to specified register
- * of the IOSF device.
+ * ixgbe_read_iosf_sb_reg_x550a - Reads specified register of the IOSF device
* @hw: pointer to hardware structure
* @reg_addr: 32 bit PHY register to write
* @device_type: 3 bit device type
return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait);
}
-/**
- * ixgbe_check_link_m88 - Poll PHY for link
- * @hw: pointer to hardware structure
- * @speed: pointer to link speed
- * @link_up: true when link is up
- * @link_up_wait: bool indicating whether to wait for link
- *
- * Check that both the MAC and PHY have link.
- */
-static s32
-ixgbe_check_link_m88(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
- bool *link_up, bool link_up_wait)
-{
- u16 reg;
- s32 rc;
- u32 i;
-
- rc = ixgbe_check_mac_link_generic(hw, speed, link_up, link_up_wait);
- if (rc || !*link_up)
- return rc;
-
- rc = hw->phy.ops.read_reg(hw, IXGBE_M88E1500_PHY_SPEC_STATUS, 0, ®);
-
- /* MAC link is up, so check external PHY link */
- *link_up = !!(reg & IXGBE_M88E1500_PHY_SPEC_STATUS_LINK);
-
- if (link_up_wait) {
- for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
- if (!rc &&
- (reg & IXGBE_M88E1500_PHY_SPEC_STATUS_LINK)) {
- *link_up = true;
- break;
- }
- *link_up = false;
- msec_delay(100);
- rc = hw->phy.ops.read_reg(hw,
- IXGBE_M88E1500_PHY_SPEC_STATUS,
- 0, ®);
- }
- }
-
-#define M88_SPEED(x) (IXGBE_M88E1500_PHY_SPEC_STATUS_RESOLVED | \
- IXGBE_M88E1500_PHY_SPEC_STATUS_DUPLEX | \
- ((IXGBE_M88E1500_PHY_SPEC_STATUS_SPEED_##x) <<\
- IXGBE_M88E1500_PHY_SPEC_STATUS_SPEED_SHIFT))
-
- reg &= M88_SPEED(MASK);
- switch (reg) {
- case M88_SPEED(10):
- *speed = IXGBE_LINK_SPEED_10_FULL;
- break;
- case M88_SPEED(100):
- *speed = IXGBE_LINK_SPEED_100_FULL;
- break;
- case M88_SPEED(1000):
- *speed = IXGBE_LINK_SPEED_1GB_FULL;
- break;
- default:
- *speed = IXGBE_LINK_SPEED_UNKNOWN;
- break;
- }
-#undef M88_SPEED
-
- return rc;
-}
-
/**
* ixgbe_init_mac_link_ops_X550em - init mac link function pointers
* @hw: pointer to hardware structure
ixgbe_setup_mac_link_sfp_x550em;
break;
case ixgbe_media_type_copper:
- if (hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T ||
- hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L) {
- mac->ops.setup_link = ixgbe_setup_sgmii_m88;
- mac->ops.check_link = ixgbe_check_link_m88;
+ if (hw->mac.type == ixgbe_mac_X550EM_a) {
+ if (hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T ||
+ hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L) {
+ mac->ops.setup_link = ixgbe_setup_sgmii_m88;
+ } else {
+ mac->ops.setup_link =
+ ixgbe_setup_mac_link_t_X550em;
+ }
} else {
mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em;
mac->ops.check_link = ixgbe_check_link_t_X550em;
rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_AN, 0, ®);
if (rc)
goto out;
- reg &= ~IXGBE_M88E1500_COPPER_AN_AS_PAUSE;
- reg &= ~IXGBE_M88E1500_COPPER_AN_PAUSE;
reg &= ~IXGBE_M88E1500_COPPER_AN_T4;
reg &= ~IXGBE_M88E1500_COPPER_AN_100TX_FD;
reg &= ~IXGBE_M88E1500_COPPER_AN_100TX_HD;
reg &= ~IXGBE_M88E1500_COPPER_AN_10TX_FD;
reg &= ~IXGBE_M88E1500_COPPER_AN_10TX_HD;
- switch (hw->fc.current_mode) {
- case ixgbe_fc_full:
- reg |= IXGBE_M88E1500_COPPER_AN_PAUSE;
- break;
- case ixgbe_fc_rx_pause:
- reg |= IXGBE_M88E1500_COPPER_AN_PAUSE;
- reg |= IXGBE_M88E1500_COPPER_AN_AS_PAUSE;
- break;
- case ixgbe_fc_tx_pause:
- reg |= IXGBE_M88E1500_COPPER_AN_AS_PAUSE;
- break;
- default:
- break;
- }
+
+ /* Flow control auto negotiation configuration was moved from here to
+ * the function ixgbe_setup_fc_sgmii_x550em_a()
+ */
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
reg |= IXGBE_M88E1500_COPPER_AN_100TX_FD;
hw->mac.ops.release_swfw_sync(hw, mask);
+ /* In case of first reset set advertised speeds to default value */
+ if (!hw->phy.autoneg_advertised)
+ hw->phy.autoneg_advertised = IXGBE_LINK_SPEED_1GB_FULL |
+ IXGBE_LINK_SPEED_100_FULL |
+ IXGBE_LINK_SPEED_10_FULL;
+
return ixgbe_setup_m88(hw);
out:
+ hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
hw->mac.ops.release_swfw_sync(hw, mask);
return rc;
}
DEBUGFUNC("ixgbe_init_phy_ops_X550em");
- 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);
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
phy->ops.read_reg_mdi = ixgbe_read_phy_reg_mdi_22;
phy->ops.write_reg_mdi = ixgbe_write_phy_reg_mdi_22;
+ hw->phy.ops.read_reg = ixgbe_read_phy_reg_x550a;
+ hw->phy.ops.write_reg = ixgbe_write_phy_reg_x550a;
+ if (hw->bus.lan_id)
+ hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY1_SM;
+ else
+ hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY0_SM;
+
+ break;
+ case IXGBE_DEV_ID_X550EM_A_10G_T:
+ case IXGBE_DEV_ID_X550EM_A_SFP:
+ hw->phy.ops.read_reg = ixgbe_read_phy_reg_x550a;
+ hw->phy.ops.write_reg = ixgbe_write_phy_reg_x550a;
+ if (hw->bus.lan_id)
+ hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY1_SM;
+ else
+ hw->phy.phy_semaphore_mask |= IXGBE_GSSR_PHY0_SM;
+ break;
+ case IXGBE_DEV_ID_X550EM_X_SFP:
+ /* set up for CS4227 usage */
+ hw->phy.phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
break;
default:
break;
**/
STATIC s32 ixgbe_setup_ixfi_x550em_x(struct ixgbe_hw *hw)
{
+ struct ixgbe_mac_info *mac = &hw->mac;
s32 status;
u32 reg_val;
/* Disable training protocol FSM. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
+ status = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
return status;
reg_val |= IXGBE_KRM_RX_TRN_LINKUP_CTRL_CONV_WO_PROTOCOL;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
+ status = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
return status;
/* Disable Flex from training TXFFE. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
+ status = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN;
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN;
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
+ status = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
return status;
- status = ixgbe_read_iosf_sb_reg_x550(hw,
+ status = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN;
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN;
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
+ status = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
return status;
/* Enable override for coefficients. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
+ status = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CZERO_EN;
reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CPLUS1_OVRRD_EN;
reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CMINUS1_OVRRD_EN;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
+ status = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
return status;
**/
STATIC s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
{
+ struct ixgbe_mac_info *mac = &hw->mac;
s32 status;
u32 reg_val;
/* Disable AN and force speed to 10G Serial. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
+ status = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
return IXGBE_ERR_LINK_SETUP;
}
- status = ixgbe_write_iosf_sb_reg_x550(hw,
+ status = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
}
/* Toggle port SW reset by AN reset. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
+ status = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
return status;
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
+ status = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
}
/**
- * ixgbe_fc_autoneg_x550a - Enable flow control IEEE clause 37
+ * ixgbe_fc_autoneg_backplane_x550em_a - Enable flow control IEEE clause 37
* @hw: pointer to hardware structure
*
* Enable flow control according to IEEE clause 37.
**/
-void ixgbe_fc_autoneg_x550a(struct ixgbe_hw *hw)
+void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *hw)
{
u32 link_s1, lp_an_page_low, an_cntl_1;
s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
if (status != IXGBE_SUCCESS ||
(link_s1 & IXGBE_KRM_LINK_S1_MAC_AN_COMPLETE) == 0) {
DEBUGOUT("Auto-Negotiation did not complete\n");
+ status = IXGBE_ERR_FC_NOT_NEGOTIATED;
goto out;
}
}
}
+/**
+ * ixgbe_fc_autoneg_fiber_x550em_a - Enable flow control IEEE clause 37
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according to IEEE clause 37.
+ **/
+void ixgbe_fc_autoneg_fiber_x550em_a(struct ixgbe_hw *hw)
+{
+ u32 link_s1, pcs_an_lp, pcs_an;
+ s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ ixgbe_link_speed speed;
+ bool link_up;
+
+ /* AN should have completed when the cable was plugged in.
+ * Look for reasons to bail out. Bail out if:
+ * - FC autoneg is disabled, or if
+ * - link is not up.
+ */
+ if (hw->fc.disable_fc_autoneg) {
+ ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
+ "Flow control autoneg is disabled");
+ goto out;
+ }
+
+ hw->mac.ops.check_link(hw, &speed, &link_up, false);
+ if (!link_up) {
+ ERROR_REPORT1(IXGBE_ERROR_SOFTWARE, "The link is down");
+ goto out;
+ }
+
+ /* Check if auto-negotiation has completed */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_S1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &link_s1);
+
+ if (status != IXGBE_SUCCESS ||
+ (link_s1 & IXGBE_KRM_LINK_S1_MAC_AN_COMPLETE) == 0) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ goto out;
+ }
+
+ /* Determine advertised flow control */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PCS_KX_AN(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &pcs_an);
+
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ goto out;
+ }
+
+ /* Determine link parter flow control */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PCS_KX_AN_LP(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &pcs_an_lp);
+
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ goto out;
+ }
+
+ status = ixgbe_negotiate_fc(hw, pcs_an, pcs_an_lp,
+ IXGBE_KRM_PCS_KX_AN_SYM_PAUSE,
+ IXGBE_KRM_PCS_KX_AN_ASM_PAUSE,
+ IXGBE_KRM_PCS_KX_AN_LP_SYM_PAUSE,
+ IXGBE_KRM_PCS_KX_AN_LP_ASM_PAUSE);
+
+out:
+ if (status == IXGBE_SUCCESS) {
+ hw->fc.fc_was_autonegged = true;
+ } else {
+ hw->fc.fc_was_autonegged = false;
+ hw->fc.current_mode = hw->fc.requested_mode;
+ }
+}
+
+/**
+ * ixgbe_fc_autoneg_sgmii_x550em_a - Enable flow control IEEE clause 37
+ * @hw: pointer to hardware structure
+ *
+ * Enable flow control according to IEEE clause 37.
+ **/
+void ixgbe_fc_autoneg_sgmii_x550em_a(struct ixgbe_hw *hw)
+{
+ s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ u16 reg, pcs_an_lp, pcs_an;
+ ixgbe_link_speed speed;
+ bool link_up;
+
+ /* AN should have completed when the cable was plugged in.
+ * Look for reasons to bail out. Bail out if:
+ * - FC autoneg is disabled, or if
+ * - link is not up.
+ */
+ if (hw->fc.disable_fc_autoneg) {
+ ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
+ "Flow control autoneg is disabled");
+ goto out;
+ }
+
+ hw->mac.ops.check_link(hw, &speed, &link_up, false);
+ if (!link_up) {
+ ERROR_REPORT1(IXGBE_ERROR_SOFTWARE, "The link is down");
+ goto out;
+ }
+
+ /* Check if auto-negotiation has completed */
+ status = hw->phy.ops.read_reg(hw, IXGBE_M88E1500_COPPER_STATUS,
+ IXGBE_MDIO_ZERO_DEV_TYPE, ®);
+ if (status != IXGBE_SUCCESS ||
+ (reg & IXGBE_M88E1500_COPPER_STATUS_AN_DONE) == 0) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ goto out;
+ }
+
+ /* Get the advertized flow control */
+ status = hw->phy.ops.read_reg(hw, IXGBE_M88E1500_COPPER_AN,
+ IXGBE_MDIO_ZERO_DEV_TYPE, &pcs_an);
+ if (status != IXGBE_SUCCESS)
+ goto out;
+
+ /* Get link partner's flow control */
+ status = hw->phy.ops.read_reg(hw,
+ IXGBE_M88E1500_COPPER_AN_LP_ABILITY,
+ IXGBE_MDIO_ZERO_DEV_TYPE, &pcs_an_lp);
+ if (status != IXGBE_SUCCESS)
+ goto out;
+
+ /* Negotiate the flow control */
+ status = ixgbe_negotiate_fc(hw, (u32)pcs_an, (u32)pcs_an_lp,
+ IXGBE_M88E1500_COPPER_AN_PAUSE,
+ IXGBE_M88E1500_COPPER_AN_AS_PAUSE,
+ IXGBE_M88E1500_COPPER_AN_LP_PAUSE,
+ IXGBE_M88E1500_COPPER_AN_LP_AS_PAUSE);
+
+out:
+ if (status == IXGBE_SUCCESS) {
+ hw->fc.fc_was_autonegged = true;
+ } else {
+ hw->fc.fc_was_autonegged = false;
+ hw->fc.current_mode = hw->fc.requested_mode;
+ }
+}
+
+/**
+ * ixgbe_setup_fc_sgmii_x550em_a - Set up flow control
+ * @hw: pointer to hardware structure
+ *
+ * Called at init time to set up flow control.
+ **/
+s32 ixgbe_setup_fc_sgmii_x550em_a(struct ixgbe_hw *hw)
+{
+ u16 reg;
+ s32 rc;
+
+ /* Validate the requested mode */
+ if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
+ ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
+ "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
+ return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ }
+
+ if (hw->fc.requested_mode == ixgbe_fc_default)
+ hw->fc.requested_mode = ixgbe_fc_full;
+
+ /* Read contents of the Auto-Negotiation register, page 0 reg 4 */
+ rc = hw->phy.ops.read_reg(hw, IXGBE_M88E1500_COPPER_AN,
+ IXGBE_MDIO_ZERO_DEV_TYPE, ®);
+ if (rc)
+ goto out;
+
+ /* Disable all the settings related to Flow control Auto-negotiation */
+ reg &= ~IXGBE_M88E1500_COPPER_AN_AS_PAUSE;
+ reg &= ~IXGBE_M88E1500_COPPER_AN_PAUSE;
+
+ /* Configure the Asymmetric and symmetric pause according to the user
+ * requested mode.
+ */
+ switch (hw->fc.requested_mode) {
+ case ixgbe_fc_full:
+ reg |= IXGBE_M88E1500_COPPER_AN_PAUSE;
+ reg |= IXGBE_M88E1500_COPPER_AN_AS_PAUSE;
+ break;
+ case ixgbe_fc_rx_pause:
+ reg |= IXGBE_M88E1500_COPPER_AN_PAUSE;
+ reg |= IXGBE_M88E1500_COPPER_AN_AS_PAUSE;
+ break;
+ case ixgbe_fc_tx_pause:
+ reg |= IXGBE_M88E1500_COPPER_AN_AS_PAUSE;
+ break;
+ default:
+ break;
+ }
+
+ /* Write back to the Auto-Negotiation register with newly configured
+ * fields
+ */
+ hw->phy.ops.write_reg(hw, IXGBE_M88E1500_COPPER_AN,
+ IXGBE_MDIO_ZERO_DEV_TYPE, reg);
+
+ /* In this section of the code we restart Auto-negotiation */
+
+ /* Read the CONTROL register, Page 0 reg 0 */
+ rc = hw->phy.ops.read_reg(hw, IXGBE_M88E1500_COPPER_CTRL,
+ IXGBE_MDIO_ZERO_DEV_TYPE, ®);
+ if (rc)
+ goto out;
+
+ /* Set the bit to restart Auto-Neg. The bit to enable Auto-neg is ON
+ * by default
+ */
+ reg |= IXGBE_M88E1500_COPPER_CTRL_RESTART_AN;
+
+ /* write the new values to the register to restart Auto-Negotiation */
+ hw->phy.ops.write_reg(hw, IXGBE_M88E1500_COPPER_CTRL,
+ IXGBE_MDIO_ZERO_DEV_TYPE, reg);
+
+out:
+ return rc;
+}
+
/**
* ixgbe_setup_fc_backplane_x550em_a - Set up flow control
* @hw: pointer to hardware structure
ixgbe_release_swfw_sync_X540(hw, hmask);
if (status != IXGBE_ERR_TOKEN_RETRY)
return status;
- msec_delay(FW_PHY_TOKEN_DELAY);
}
return status;
DEBUGFUNC("ixgbe_write_phy_reg_x550a");
if (hw->mac.ops.acquire_swfw_sync(hw, mask) == IXGBE_SUCCESS) {
- status = ixgbe_write_phy_reg_mdi(hw, reg_addr, device_type,
+ status = hw->phy.ops.write_reg_mdi(hw, reg_addr, device_type,
phy_data);
hw->mac.ops.release_swfw_sync(hw, mask);
} else {