UNREFERENCED_1PARAMETER(dev_type);
/* Setup and write the read command */
- command = (reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) |
- (reg_addr << IXGBE_MSCA_DEV_TYPE_SHIFT) |
- (hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
- IXGBE_MSCA_OLD_PROTOCOL | IXGBE_MSCA_READ |
- IXGBE_MSCA_MDI_COMMAND;
+ command = (reg_addr << IXGBE_MSCA_DEV_TYPE_SHIFT) |
+ (hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
+ IXGBE_MSCA_OLD_PROTOCOL | IXGBE_MSCA_READ_AUTOINC |
+ IXGBE_MSCA_MDI_COMMAND;
IXGBE_WRITE_REG(hw, IXGBE_MSCA, command);
IXGBE_WRITE_REG(hw, IXGBE_MSRWD, (u32)phy_data);
/* Setup and write the write command */
- command = (reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) |
- (reg_addr << IXGBE_MSCA_DEV_TYPE_SHIFT) |
- (hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
- IXGBE_MSCA_OLD_PROTOCOL | IXGBE_MSCA_WRITE |
- IXGBE_MSCA_MDI_COMMAND;
+ command = (reg_addr << IXGBE_MSCA_DEV_TYPE_SHIFT) |
+ (hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
+ IXGBE_MSCA_OLD_PROTOCOL | IXGBE_MSCA_WRITE |
+ IXGBE_MSCA_MDI_COMMAND;
IXGBE_WRITE_REG(hw, IXGBE_MSCA, command);
return IXGBE_SUCCESS;
}
-/**
- * ixgbe_identify_phy_1g - Get 1g PHY type based on device id
- * @hw: pointer to hardware structure
- *
- * Returns error code
- */
-STATIC s32 ixgbe_identify_phy_1g(struct ixgbe_hw *hw)
-{
- u32 swfw_mask = hw->phy.phy_semaphore_mask;
- u16 phy_id_high;
- u16 phy_id_low;
- s32 rc;
-
- rc = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
- if (rc)
- return rc;
-
- rc = ixgbe_read_phy_reg_mdi_22(hw, IXGBE_MDIO_PHY_ID_HIGH, 0,
- &phy_id_high);
- if (rc)
- goto rel_out;
-
- rc = ixgbe_read_phy_reg_mdi_22(hw, IXGBE_MDIO_PHY_ID_LOW, 0,
- &phy_id_low);
- if (rc)
- goto rel_out;
-
- hw->phy.id = (u32)phy_id_high << 16;
- hw->phy.id |= phy_id_low & IXGBE_PHY_REVISION_MASK;
- hw->phy.revision = (u32)phy_id_low & ~IXGBE_PHY_REVISION_MASK;
-
-rel_out:
- hw->mac.ops.release_swfw_sync(hw, swfw_mask);
-
- return rc;
-}
-
/**
* ixgbe_identify_phy_x550em - Get PHY type based on device id
* @hw: pointer to hardware structure
case IXGBE_DEV_ID_X550EM_A_KR_L:
hw->phy.type = ixgbe_phy_x550em_kr;
break;
- case IXGBE_DEV_ID_X550EM_X_1G_T:
- case IXGBE_DEV_ID_X550EM_X_10G_T:
case IXGBE_DEV_ID_X550EM_A_10G_T:
- return ixgbe_identify_phy_generic(hw);
- case IXGBE_DEV_ID_X550EM_A_1G_T:
- case IXGBE_DEV_ID_X550EM_A_1G_T_L:
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_phy_1g(hw);
+ /* 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:
+ case IXGBE_DEV_ID_X550EM_X_10G_T:
+ return ixgbe_identify_phy_generic(hw);
default:
break;
}
struct ixgbe_mac_info *mac = &hw->mac;
struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
struct ixgbe_phy_info *phy = &hw->phy;
- struct ixgbe_link_info *link = &hw->link;
s32 ret_val;
DEBUGFUNC("ixgbe_init_ops_X550EM");
hw->bus.type = ixgbe_bus_type_internal;
mac->ops.get_bus_info = ixgbe_get_bus_info_X550em;
- if (hw->mac.type == ixgbe_mac_X550EM_x) {
- mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550;
- mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550;
- mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550em;
- mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550em;
- link->ops.read_link = ixgbe_read_i2c_combined_generic;
- link->ops.read_link_unlocked =
- ixgbe_read_i2c_combined_generic_unlocked;
- link->ops.write_link = ixgbe_write_i2c_combined_generic;
- link->ops.write_link_unlocked =
- ixgbe_write_i2c_combined_generic_unlocked;
- link->addr = IXGBE_CS4227;
- }
- if (hw->mac.type == ixgbe_mac_X550EM_a) {
- mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550;
- mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550;
- mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550a;
- mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550a;
- }
mac->ops.get_media_type = ixgbe_get_media_type_X550em;
mac->ops.setup_sfp = ixgbe_setup_sfp_modules_X550em;
return ret_val;
}
+/**
+* ixgbe_init_ops_X550EM_a - Inits func ptrs and MAC type
+* @hw: pointer to hardware structure
+*
+* Initialize the function pointers and for MAC type X550EM_a.
+* Does not touch the hardware.
+**/
+s32 ixgbe_init_ops_X550EM_a(struct ixgbe_hw *hw)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+ s32 ret_val;
+
+ DEBUGFUNC("ixgbe_init_ops_X550EM_a");
+
+ /* 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;
+ mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550a;
+ mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_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;
+ }
+
+ return ret_val;
+}
+
+/**
+* ixgbe_init_ops_X550EM_x - Inits func ptrs and MAC type
+* @hw: pointer to hardware structure
+*
+* Initialize the function pointers and for MAC type X550EM_x.
+* Does not touch the hardware.
+**/
+s32 ixgbe_init_ops_X550EM_x(struct ixgbe_hw *hw)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+ struct ixgbe_link_info *link = &hw->link;
+ s32 ret_val;
+
+ DEBUGFUNC("ixgbe_init_ops_X550EM_x");
+
+ /* 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;
+ mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550em;
+ mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550em;
+ link->ops.read_link = ixgbe_read_i2c_combined_generic;
+ link->ops.read_link_unlocked = ixgbe_read_i2c_combined_generic_unlocked;
+ link->ops.write_link = ixgbe_write_i2c_combined_generic;
+ link->ops.write_link_unlocked =
+ ixgbe_write_i2c_combined_generic_unlocked;
+ link->addr = IXGBE_CS4227;
+
+ return ret_val;
+}
+
/**
* ixgbe_dmac_config_X550
* @hw: pointer to hardware structure
/* 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;
write_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
write_cmd.port_number = hw->bus.lan_id;
write_cmd.command_type = FW_INT_PHY_REQ_WRITE;
- write_cmd.address = (u16)reg_addr;
- write_cmd.write_data = data;
+ write_cmd.address = IXGBE_CPU_TO_BE16(reg_addr);
+ write_cmd.write_data = IXGBE_CPU_TO_BE32(data);
status = ixgbe_host_interface_command(hw, (u32 *)&write_cmd,
sizeof(write_cmd),
s32 ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u32 *data)
{
- struct ixgbe_hic_internal_phy_req read_cmd;
+ union {
+ struct ixgbe_hic_internal_phy_req cmd;
+ struct ixgbe_hic_internal_phy_resp rsp;
+ } hic;
s32 status;
UNREFERENCED_1PARAMETER(device_type);
- memset(&read_cmd, 0, sizeof(read_cmd));
- read_cmd.hdr.cmd = FW_INT_PHY_REQ_CMD;
- read_cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN;
- read_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
- read_cmd.port_number = hw->bus.lan_id;
- read_cmd.command_type = FW_INT_PHY_REQ_READ;
- read_cmd.address = (u16)reg_addr;
+ memset(&hic, 0, sizeof(hic));
+ hic.cmd.hdr.cmd = FW_INT_PHY_REQ_CMD;
+ hic.cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN;
+ hic.cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
+ hic.cmd.port_number = hw->bus.lan_id;
+ hic.cmd.command_type = FW_INT_PHY_REQ_READ;
+ hic.cmd.address = IXGBE_CPU_TO_BE16(reg_addr);
- status = ixgbe_host_interface_command(hw, (u32 *)&read_cmd,
- sizeof(read_cmd),
+ status = ixgbe_host_interface_command(hw, (u32 *)&hic.cmd,
+ sizeof(hic.cmd),
IXGBE_HI_COMMAND_TIMEOUT, true);
/* Extract the register value from the response. */
- *data = ((struct ixgbe_hic_internal_phy_resp *)&read_cmd)->read_data;
+ *data = IXGBE_BE32_TO_CPU(hic.rsp.read_data);
return status;
}
case IXGBE_DEV_ID_X550EM_A_1G_T:
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
media_type = ixgbe_media_type_copper;
- hw->phy.type = ixgbe_phy_m88;
break;
default:
media_type = ixgbe_media_type_unknown;
* @hw: pointer to hardware structure
*/
STATIC s32 ixgbe_setup_sgmii(struct ixgbe_hw *hw, ixgbe_link_speed speed,
- bool autoneg_wait_to_complete)
+ bool autoneg_wait)
{
struct ixgbe_mac_info *mac = &hw->mac;
u32 lval, sval;
s32 rc;
- UNREFERENCED_2PARAMETER(speed, autoneg_wait_to_complete);
rc = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
rc = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, lval);
+ if (rc)
+ return rc;
+
+ return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait);
+}
+
+ /**
+ * ixgbe_setup_sgmii_m88 - Set up link for sgmii with Marvell PHYs
+ * @hw: pointer to hardware structure
+ */
+STATIC s32 ixgbe_setup_sgmii_m88(struct ixgbe_hw *hw, ixgbe_link_speed speed,
+ bool autoneg_wait)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+ u32 lval, sval;
+ s32 rc;
+
+ rc = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &lval);
+ if (rc)
+ return rc;
+
+ lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
+ lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
+ lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_SGMII_EN;
+ lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CLAUSE_37_EN;
+ lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, lval);
+ if (rc)
+ return rc;
+
+ rc = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &sval);
+ if (rc)
+ return rc;
+
+ sval &= ~IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_10_D;
+ sval &= ~IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_100_D;
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, sval);
+ if (rc)
+ return rc;
+
+ lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, lval);
+ if (rc)
+ return rc;
+
+ 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_setup_mac_link_sfp_x550em;
break;
case ixgbe_media_type_copper:
- mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em;
- mac->ops.check_link = ixgbe_check_link_t_X550em;
+ 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;
+ } else {
+ mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em;
+ mac->ops.check_link = ixgbe_check_link_t_X550em;
+ }
break;
case ixgbe_media_type_backplane:
if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII ||
} else {
switch (hw->phy.type) {
case ixgbe_phy_m88:
- *speed = IXGBE_LINK_SPEED_100_FULL |
- IXGBE_LINK_SPEED_1GB_FULL;
+ *speed = IXGBE_LINK_SPEED_1GB_FULL |
+ IXGBE_LINK_SPEED_100_FULL |
+ IXGBE_LINK_SPEED_10_FULL;
break;
case ixgbe_phy_sgmii:
*speed = IXGBE_LINK_SPEED_1GB_FULL;
}
/**
- * ixgbe_set_master_slave_mode - Set up PHY for master/slave mode
+ * ixgbe_setup_m88 - setup m88 PHY
* @hw: pointer to hardware structure
- *
- * Must be called while holding the PHY semaphore and token
*/
-STATIC s32 ixgbe_set_master_slave_mode(struct ixgbe_hw *hw)
+STATIC s32 ixgbe_setup_m88(struct ixgbe_hw *hw)
{
- u16 phy_data;
+ u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
+ u16 reg;
s32 rc;
- /* Resolve master/slave mode */
- rc = ixgbe_read_phy_reg_mdi_22(hw, IXGBE_M88E1500_1000T_CTRL, 0,
- &phy_data);
+ if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw))
+ return IXGBE_SUCCESS;
+
+ rc = hw->mac.ops.acquire_swfw_sync(hw, mask);
if (rc)
return rc;
- /* load defaults for future use */
- if (phy_data & IXGBE_M88E1500_1000T_CTRL_MS_ENABLE) {
- if (phy_data & IXGBE_M88E1500_1000T_CTRL_MS_VALUE)
- hw->phy.original_ms_type = ixgbe_ms_force_master;
- else
- hw->phy.original_ms_type = ixgbe_ms_force_slave;
+ rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, ®);
+ if (rc)
+ goto out;
+ if (reg & IXGBE_M88E1500_COPPER_CTRL_POWER_DOWN) {
+ reg &= ~IXGBE_M88E1500_COPPER_CTRL_POWER_DOWN;
+ hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0,
+ reg);
+ }
+
+ rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_MAC_CTRL_1, 0, ®);
+ if (rc)
+ goto out;
+ if (reg & IXGBE_M88E1500_MAC_CTRL_1_POWER_DOWN) {
+ reg &= ~IXGBE_M88E1500_MAC_CTRL_1_POWER_DOWN;
+ hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_MAC_CTRL_1, 0,
+ reg);
+ }
+
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 2);
+ if (rc)
+ goto out;
+
+ rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_MAC_SPEC_CTRL, 0,
+ ®);
+ if (rc)
+ goto out;
+ if (reg & IXGBE_M88E1500_MAC_SPEC_CTRL_POWER_DOWN) {
+ reg &= ~IXGBE_M88E1500_MAC_SPEC_CTRL_POWER_DOWN;
+ hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_MAC_SPEC_CTRL, 0,
+ reg);
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0,
+ 0);
+ if (rc)
+ goto out;
+ rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0,
+ ®);
+ if (rc)
+ goto out;
+ reg |= IXGBE_M88E1500_COPPER_CTRL_RESET;
+ hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0,
+ reg);
+ usec_delay(50);
} else {
- hw->phy.original_ms_type = ixgbe_ms_auto;
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0,
+ 0);
+ if (rc)
+ goto out;
+ }
+
+ rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, ®);
+ if (rc)
+ goto out;
+
+ if (!(reg & IXGBE_M88E1500_COPPER_CTRL_AN_EN)) {
+ reg |= IXGBE_M88E1500_COPPER_CTRL_AN_EN;
+ hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0,
+ reg);
}
- switch (hw->phy.ms_type) {
- case ixgbe_ms_force_master:
- phy_data |= IXGBE_M88E1500_1000T_CTRL_MS_ENABLE;
- phy_data |= IXGBE_M88E1500_1000T_CTRL_MS_VALUE;
+ rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_1000T_CTRL, 0, ®);
+ if (rc)
+ goto out;
+ reg &= ~IXGBE_M88E1500_1000T_CTRL_HALF_DUPLEX;
+ reg &= ~IXGBE_M88E1500_1000T_CTRL_FULL_DUPLEX;
+ if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
+ reg |= IXGBE_M88E1500_1000T_CTRL_FULL_DUPLEX;
+ hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_1000T_CTRL, 0, reg);
+
+ 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_ms_force_slave:
- phy_data |= IXGBE_M88E1500_1000T_CTRL_MS_ENABLE;
- phy_data &= ~IXGBE_M88E1500_1000T_CTRL_MS_VALUE;
+ case ixgbe_fc_rx_pause:
+ reg |= IXGBE_M88E1500_COPPER_AN_PAUSE;
+ reg |= IXGBE_M88E1500_COPPER_AN_AS_PAUSE;
break;
- case ixgbe_ms_auto:
- phy_data &= ~IXGBE_M88E1500_1000T_CTRL_MS_ENABLE;
+ case ixgbe_fc_tx_pause:
+ reg |= IXGBE_M88E1500_COPPER_AN_AS_PAUSE;
break;
default:
break;
}
- return ixgbe_write_phy_reg_mdi_22(hw, IXGBE_M88E1500_1000T_CTRL, 0,
- phy_data);
+ if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
+ reg |= IXGBE_M88E1500_COPPER_AN_100TX_FD;
+ if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10_FULL)
+ reg |= IXGBE_M88E1500_COPPER_AN_10TX_FD;
+ hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_AN, 0, reg);
+
+ rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, ®);
+ if (rc)
+ goto out;
+ reg |= IXGBE_M88E1500_COPPER_CTRL_RESTART_AN;
+ hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, reg);
+
+
+ hw->mac.ops.release_swfw_sync(hw, mask);
+ return rc;
+
+out:
+ hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
+ hw->mac.ops.release_swfw_sync(hw, mask);
+ return rc;
}
/**
- * ixgbe_reset_phy_m88_nolock - Reset m88 PHY without locking
+ * ixgbe_reset_phy_m88e1500 - Reset m88e1500 PHY
* @hw: pointer to hardware structure
*
- * Must be called while holding the PHY semaphore and token
+ * The PHY token must be held when calling this function.
*/
-STATIC s32 ixgbe_reset_phy_m88_nolock(struct ixgbe_hw *hw)
+static s32 ixgbe_reset_phy_m88e1500(struct ixgbe_hw *hw)
{
+ u16 reg;
s32 rc;
- rc = ixgbe_write_phy_reg_mdi_22(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 1);
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
if (rc)
return rc;
- rc = ixgbe_write_phy_reg_mdi_22(hw, IXGBE_M88E1500_FIBER_CTRL, 0,
- IXGBE_M88E1500_FIBER_CTRL_RESET |
- IXGBE_M88E1500_FIBER_CTRL_DUPLEX_FULL |
- IXGBE_M88E1500_FIBER_CTRL_SPEED_MSB);
- if (rc)
- goto res_out;
-
- rc = ixgbe_write_phy_reg_mdi_22(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 18);
+ rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, ®);
if (rc)
- goto res_out;
+ return rc;
- rc = ixgbe_write_phy_reg_mdi_22(hw, IXGBE_M88E1500_GEN_CTRL, 0,
- IXGBE_M88E1500_GEN_CTRL_RESET |
- IXGBE_M88E1500_GEN_CTRL_SGMII_COPPER);
- if (rc)
- goto res_out;
+ reg |= IXGBE_M88E1500_COPPER_CTRL_RESET;
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, reg);
- rc = ixgbe_write_phy_reg_mdi_22(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
- if (rc)
- goto res_out;
+ usec_delay(10);
- rc = ixgbe_write_phy_reg_mdi_22(hw, IXGBE_M88E1500_COPPER_CTRL, 0,
- IXGBE_M88E1500_COPPER_CTRL_RESET |
- IXGBE_M88E1500_COPPER_CTRL_AN_EN |
- IXGBE_M88E1500_COPPER_CTRL_RESTART_AN |
- IXGBE_M88E1500_COPPER_CTRL_FULL_DUPLEX |
- IXGBE_M88E1500_COPPER_CTRL_SPEED_MSB);
-
-res_out:
- ixgbe_write_phy_reg_mdi_22(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
return rc;
}
+/**
+ * ixgbe_reset_phy_m88e1543 - Reset m88e1543 PHY
+ * @hw: pointer to hardware structure
+ *
+ * The PHY token must be held when calling this function.
+ */
+static s32 ixgbe_reset_phy_m88e1543(struct ixgbe_hw *hw)
+{
+ return hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
+}
+
/**
* ixgbe_reset_phy_m88 - Reset m88 PHY
* @hw: pointer to hardware structure
*/
STATIC s32 ixgbe_reset_phy_m88(struct ixgbe_hw *hw)
{
- u32 swfw_mask = hw->phy.phy_semaphore_mask;
+ u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
+ u16 reg;
s32 rc;
if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw))
return IXGBE_SUCCESS;
- rc = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
+ rc = hw->mac.ops.acquire_swfw_sync(hw, mask);
if (rc)
return rc;
- rc = ixgbe_reset_phy_m88_nolock(hw);
+ switch (hw->phy.id) {
+ case IXGBE_M88E1500_E_PHY_ID:
+ rc = ixgbe_reset_phy_m88e1500(hw);
+ break;
+ case IXGBE_M88E1543_E_PHY_ID:
+ rc = ixgbe_reset_phy_m88e1543(hw);
+ break;
+ default:
+ rc = IXGBE_ERR_PHY;
+ break;
+ }
- hw->mac.ops.release_swfw_sync(hw, swfw_mask);
- return rc;
-}
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 1);
+ if (rc)
+ goto out;
-/**
- * ixgbe_setup_m88 - setup m88 PHY
- * @hw: pointer to hardware structure
- */
-STATIC s32 ixgbe_setup_m88(struct ixgbe_hw *hw)
-{
- u32 swfw_mask = hw->phy.phy_semaphore_mask;
- struct ixgbe_phy_info *phy = &hw->phy;
- u16 phy_data;
- s32 rc;
+ reg = IXGBE_M88E1500_FIBER_CTRL_RESET |
+ IXGBE_M88E1500_FIBER_CTRL_DUPLEX_FULL |
+ IXGBE_M88E1500_FIBER_CTRL_SPEED_MSB;
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_FIBER_CTRL, 0, reg);
+ if (rc)
+ goto out;
- if (phy->reset_disable || ixgbe_check_reset_blocked(hw))
- return IXGBE_SUCCESS;
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 18);
+ if (rc)
+ goto out;
- rc = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
+ reg = IXGBE_M88E1500_GEN_CTRL_RESET |
+ IXGBE_M88E1500_GEN_CTRL_MODE_SGMII_COPPER;
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_GEN_CTRL, 0, reg);
if (rc)
- return rc;
+ goto out;
+
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 1);
+ if (rc)
+ goto out;
- rc = ixgbe_read_phy_reg_mdi_22(hw, IXGBE_M88E1500_PHY_SPEC_CTRL, 0,
- &phy_data);
+ reg = IXGBE_M88E1500_FIBER_CTRL_RESET |
+ IXGBE_M88E1500_FIBER_CTRL_AN_EN |
+ IXGBE_M88E1500_FIBER_CTRL_DUPLEX_FULL |
+ IXGBE_M88E1500_FIBER_CTRL_SPEED_MSB;
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_FIBER_CTRL, 0, reg);
if (rc)
- goto rel_out;
-
- /* Enable downshift and setting it to X6 */
- phy_data &= ~IXGBE_M88E1500_PSCR_DOWNSHIFT_ENABLE;
- phy_data |= IXGBE_M88E1500_PSCR_DOWNSHIFT_6X;
- phy_data |= IXGBE_M88E1500_PSCR_DOWNSHIFT_ENABLE;
- rc = ixgbe_write_phy_reg_mdi_22(hw,
- IXGBE_M88E1500_PHY_SPEC_CTRL, 0,
- phy_data);
+ goto out;
+
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
if (rc)
- goto rel_out;
+ goto out;
- ixgbe_write_phy_reg_mdi_22(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
+ reg = (IXGBE_M88E1500_MAC_CTRL_1_DWN_4X <<
+ IXGBE_M88E1500_MAC_CTRL_1_DWN_SHIFT) |
+ (IXGBE_M88E1500_MAC_CTRL_1_ED_TM <<
+ IXGBE_M88E1500_MAC_CTRL_1_ED_SHIFT) |
+ (IXGBE_M88E1500_MAC_CTRL_1_MDIX_AUTO <<
+ IXGBE_M88E1500_MAC_CTRL_1_MDIX_SHIFT);
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_MAC_CTRL_1, 0, reg);
+ if (rc)
+ goto out;
- /* Commit the changes */
- rc = ixgbe_reset_phy_m88_nolock(hw);
- if (rc) {
- DEBUGOUT("Error committing the PHY changes\n");
- goto rel_out;
- }
+ reg = IXGBE_M88E1500_COPPER_CTRL_RESET |
+ IXGBE_M88E1500_COPPER_CTRL_AN_EN |
+ IXGBE_M88E1500_COPPER_CTRL_RESTART_AN |
+ IXGBE_M88E1500_COPPER_CTRL_FULL_DUPLEX |
+ IXGBE_M88E1500_COPPER_CTRL_SPEED_MSB;
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, reg);
+ if (rc)
+ goto out;
- rc = ixgbe_set_master_slave_mode(hw);
+ hw->mac.ops.release_swfw_sync(hw, mask);
- hw->mac.ops.release_swfw_sync(hw, swfw_mask);
- return rc;
+ return ixgbe_setup_m88(hw);
-rel_out:
- ixgbe_write_phy_reg_mdi_22(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
- hw->mac.ops.release_swfw_sync(hw, swfw_mask);
+out:
+ hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
+ hw->mac.ops.release_swfw_sync(hw, mask);
return rc;
}
phy->ops.identify_sfp = ixgbe_identify_sfp_module_X550em;
}
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_A_1G_T:
+ 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;
+ break;
+ default:
+ break;
+ }
+
/* Identify the PHY or SFP module */
ret_val = phy->ops.identify(hw);
if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED)
break;
case ixgbe_phy_m88:
phy->ops.setup_link = ixgbe_setup_m88;
- phy->ops.read_reg_mdi = ixgbe_read_phy_reg_mdi_22;
- phy->ops.write_reg_mdi = ixgbe_write_phy_reg_mdi_22;
phy->ops.reset = ixgbe_reset_phy_m88;
break;
default:
if (ret_val != IXGBE_SUCCESS)
return ret_val;
- if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
- /* Configure CS4227 LINE side to 10G SR. */
- reg_slice = IXGBE_CS4227_LINE_SPARE22_MSB +
- (hw->bus.lan_id << 12);
- reg_val = IXGBE_CS4227_SPEED_10G;
- ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
- reg_val);
-
- reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB +
- (hw->bus.lan_id << 12);
- reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
- ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
- reg_val);
-
- /* Configure CS4227 for HOST connection rate then type. */
- reg_slice = IXGBE_CS4227_HOST_SPARE22_MSB +
- (hw->bus.lan_id << 12);
- reg_val = (speed & IXGBE_LINK_SPEED_10GB_FULL) ?
- IXGBE_CS4227_SPEED_10G : IXGBE_CS4227_SPEED_1G;
- ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
- reg_val);
-
- reg_slice = IXGBE_CS4227_HOST_SPARE24_LSB +
- (hw->bus.lan_id << 12);
- if (setup_linear)
- reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
- else
- reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
- ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
- reg_val);
-
- /* Setup XFI internal link. */
- ret_val = ixgbe_setup_ixfi_x550em(hw, &speed);
- } else {
- /* Configure internal PHY for KR/KX. */
- ixgbe_setup_kr_speed_x550em(hw, speed);
+ /* Configure internal PHY for KR/KX. */
+ ixgbe_setup_kr_speed_x550em(hw, speed);
- /* Configure CS4227 LINE side to proper mode. */
- reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB +
- (hw->bus.lan_id << 12);
- if (setup_linear)
- reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
- else
- reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
- ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
- reg_val);
- }
+ /* Configure CS4227 LINE side to proper mode. */
+ reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB +
+ (hw->bus.lan_id << 12);
+ if (setup_linear)
+ reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
+ else
+ reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
+ ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
+ reg_val);
return ret_val;
}
return ret_val;
}
+/**
+ * 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_backplane_x550em_a(struct ixgbe_hw *hw)
+{
+ u32 link_s1, lp_an_page_low, an_cntl_1;
+ 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 at 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;
+ }
+
+ /* Read the 10g AN autoc and LP ability registers and resolve
+ * local flow control settings accordingly
+ */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &an_cntl_1);
+
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ goto out;
+ }
+
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LP_BASE_PAGE_HIGH(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &lp_an_page_low);
+
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ goto out;
+ }
+
+ status = ixgbe_negotiate_fc(hw, an_cntl_1, lp_an_page_low,
+ IXGBE_KRM_AN_CNTL_1_SYM_PAUSE,
+ IXGBE_KRM_AN_CNTL_1_ASM_PAUSE,
+ IXGBE_KRM_LP_BASE_PAGE_HIGH_SYM_PAUSE,
+ IXGBE_KRM_LP_BASE_PAGE_HIGH_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_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_setup_fc_backplane_x550em_a - Set up flow control
+ * @hw: pointer to hardware structure
+ *
+ * Called at init time to set up flow control.
+ **/
+s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw)
+{
+ s32 status = IXGBE_SUCCESS;
+ u32 an_cntl, link_ctrl = 0;
+
+ DEBUGFUNC("ixgbe_setup_fc_backplane_x550em_a");
+
+ /* 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;
+
+ /* Set up the 1G and 10G flow control advertisement registers so the
+ * HW will be able to do FC autoneg once the cable is plugged in. If
+ * we link at 10G, the 1G advertisement is harmless and vice versa.
+ */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &an_cntl);
+
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ return status;
+ }
+
+ /* The possible values of fc.requested_mode are:
+ * 0: Flow control is completely disabled
+ * 1: Rx flow control is enabled (we can receive pause frames,
+ * but not send pause frames).
+ * 2: Tx flow control is enabled (we can send pause frames but
+ * we do not support receiving pause frames).
+ * 3: Both Rx and Tx flow control (symmetric) are enabled.
+ * other: Invalid.
+ */
+ switch (hw->fc.requested_mode) {
+ case ixgbe_fc_none:
+ /* Flow control completely disabled by software override. */
+ an_cntl &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
+ IXGBE_KRM_AN_CNTL_1_ASM_PAUSE);
+ break;
+ case ixgbe_fc_tx_pause:
+ /* Tx Flow control is enabled, and Rx Flow control is
+ * disabled by software override.
+ */
+ an_cntl |= IXGBE_KRM_AN_CNTL_1_ASM_PAUSE;
+ an_cntl &= ~IXGBE_KRM_AN_CNTL_1_SYM_PAUSE;
+ break;
+ case ixgbe_fc_rx_pause:
+ /* Rx Flow control is enabled and Tx Flow control is
+ * disabled by software override. Since there really
+ * isn't a way to advertise that we are capable of RX
+ * Pause ONLY, we will advertise that we support both
+ * symmetric and asymmetric Rx PAUSE, as such we fall
+ * through to the fc_full statement. Later, we will
+ * disable the adapter's ability to send PAUSE frames.
+ */
+ case ixgbe_fc_full:
+ /* Flow control (both Rx and Tx) is enabled by SW override. */
+ an_cntl |= IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
+ IXGBE_KRM_AN_CNTL_1_ASM_PAUSE;
+ break;
+ default:
+ ERROR_REPORT1(IXGBE_ERROR_ARGUMENT,
+ "Flow control param set incorrectly\n");
+ return IXGBE_ERR_CONFIG;
+ }
+
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, an_cntl);
+
+ /* Restart auto-negotiation. */
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &link_ctrl);
+
+ if (status != IXGBE_SUCCESS) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ return status;
+ }
+
+ link_ctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, link_ctrl);
+
+ return status;
+}
+
+/**
+ * ixgbe_setup_fc_fiber_x550em_a - Set up flow control
+ * @hw: pointer to hardware structure
+ *
+ * Called at init time to set up flow control.
+ **/
+s32 ixgbe_setup_fc_fiber_x550em_a(struct ixgbe_hw *hw)
+{
+ struct ixgbe_mac_info *mac = &hw->mac;
+ s32 rc = IXGBE_SUCCESS;
+ u32 an_cntl4, lctrl, pcs_an;
+
+ DEBUGFUNC("ixgbe_setup_fc_fiber_x550em_a");
+
+ /* 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;
+ }
+
+ /* Enable clause 37 auto-negotiation in KRM_LINK_CTRL_1 */
+ if (hw->fc.requested_mode == ixgbe_fc_default)
+ hw->fc.requested_mode = ixgbe_fc_full;
+
+ rc = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &lctrl);
+ if (rc)
+ return rc;
+
+ lctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
+ lctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CLAUSE_37_EN;
+
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, lctrl);
+ if (rc)
+ return rc;
+
+ /* Enable clause 37 over 73 in KRM_AN_CNTL_4 */
+ rc = mac->ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_4(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &an_cntl4);
+ if (rc)
+ return rc;
+
+ an_cntl4 |= IXGBE_KRM_AN_CNTL_4_ECSR_AN37_OVER_73;
+
+ rc = mac->ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_4(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, an_cntl4);
+ if (rc)
+ return rc;
+
+ rc = 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 (rc)
+ return rc;
+
+ /* The possible values of fc.requested_mode are:
+ * 0: Flow control is completely disabled
+ * 1: Rx flow control is enabled (we can receive pause frames,
+ * but not send pause frames).
+ * 2: Tx flow control is enabled (we can send pause frames but
+ * we do not support receiving pause frames).
+ * 3: Both Rx and Tx flow control (symmetric) are enabled.
+ * other: Invalid.
+ */
+ switch (hw->fc.requested_mode) {
+ case ixgbe_fc_none:
+ /* Flow control completely disabled by software override. */
+ pcs_an &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
+ IXGBE_KRM_AN_CNTL_1_ASM_PAUSE);
+ break;
+ case ixgbe_fc_tx_pause:
+ /* Tx Flow control is enabled, and Rx Flow control is
+ * disabled by software override.
+ */
+ pcs_an |= IXGBE_KRM_PCS_KX_AN_ASM_PAUSE;
+ pcs_an &= ~IXGBE_KRM_PCS_KX_AN_SYM_PAUSE;
+ break;
+ case ixgbe_fc_rx_pause:
+ /* Rx Flow control is enabled and Tx Flow control is
+ * disabled by software override. Since there really
+ * isn't a way to advertise that we are capable of RX
+ * Pause ONLY, we will advertise that we support both
+ * symmetric and asymmetric Rx PAUSE, as such we fall
+ * through to the fc_full statement. Later, we will
+ * disable the adapter's ability to send PAUSE frames.
+ */
+ case ixgbe_fc_full:
+ /* Flow control (both Rx and Tx) is enabled by SW override. */
+ pcs_an |= IXGBE_KRM_PCS_KX_AN_SYM_PAUSE |
+ IXGBE_KRM_PCS_KX_AN_ASM_PAUSE;
+ break;
+ default:
+ ERROR_REPORT1(IXGBE_ERROR_ARGUMENT,
+ "Flow control param set incorrectly\n");
+ return IXGBE_ERR_CONFIG;
+ }
+
+ rc = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_PCS_KX_AN(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, pcs_an);
+
+ /* Restart auto-negotiation. */
+ rc = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, &lctrl);
+
+ if (rc) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ return rc;
+ }
+
+ lctrl |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
+ rc = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, lctrl);
+
+ return rc;
+}
+
/**
* ixgbe_set_mux - Set mux for port 1 access with CS4227
* @hw: pointer to hardware structure
git.droids-corp.org / dpdk.git / blobdiff