#include "ixgbe_phy.h"
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
mac->ops.mdd_event = ixgbe_mdd_event_X550;
mac->ops.restore_mdd_vf = ixgbe_restore_mdd_vf_X550;
mac->ops.disable_rx = ixgbe_disable_rx_x550;
- if (hw->device_id == IXGBE_DEV_ID_X550EM_X_10G_T) {
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_X_10G_T:
+ case IXGBE_DEV_ID_X550EM_A_10G_T:
hw->mac.ops.led_on = ixgbe_led_on_t_X550em;
hw->mac.ops.led_off = ixgbe_led_off_t_X550em;
+ break;
+ default:
+ break;
}
return ret_val;
}
**/
STATIC s32 ixgbe_read_cs4227(struct ixgbe_hw *hw, u16 reg, u16 *value)
{
- return ixgbe_read_i2c_combined_unlocked(hw, IXGBE_CS4227, reg, value);
+ return hw->link.ops.read_link_unlocked(hw, hw->link.addr, reg, value);
}
/**
**/
STATIC s32 ixgbe_write_cs4227(struct ixgbe_hw *hw, u16 reg, u16 value)
{
- return ixgbe_write_i2c_combined_unlocked(hw, IXGBE_CS4227, reg, value);
-}
-
-/**
- * ixgbe_get_cs4227_status - Return CS4227 status
- * @hw: pointer to hardware structure
- *
- * Returns error if CS4227 not successfully initialized
- **/
-STATIC s32 ixgbe_get_cs4227_status(struct ixgbe_hw *hw)
-{
- s32 status;
- u16 value = 0;
- u16 reg_slice, reg_val;
- u8 retry;
-
- for (retry = 0; retry < IXGBE_CS4227_RETRIES; ++retry) {
- status = ixgbe_read_cs4227(hw, IXGBE_CS4227_GLOBAL_ID_LSB,
- &value);
- if (status != IXGBE_SUCCESS)
- return status;
- if (value == IXGBE_CS4227_GLOBAL_ID_VALUE)
- break;
- msec_delay(IXGBE_CS4227_CHECK_DELAY);
- }
- if (value != IXGBE_CS4227_GLOBAL_ID_VALUE)
- return IXGBE_ERR_PHY;
-
- status = ixgbe_read_cs4227(hw, IXGBE_CS4227_SCRATCH, &value);
- if (status != IXGBE_SUCCESS)
- return status;
-
- /* If this is the first time after power-on, check the ucode.
- * Otherwise, this will disrupt link on all ports. Because we
- * can only do this the first time, we must check all ports,
- * not just our own.
- */
- if (value != IXGBE_CS4227_SCRATCH_VALUE) {
- reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB;
- reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
- status = ixgbe_write_cs4227(hw, reg_slice, reg_val);
- if (status != IXGBE_SUCCESS)
- return status;
-
- reg_slice = IXGBE_CS4227_HOST_SPARE24_LSB;
- reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
- status = ixgbe_write_cs4227(hw, reg_slice, reg_val);
- if (status != IXGBE_SUCCESS)
- return status;
-
- reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB + (1 << 12);
- reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
- status = ixgbe_write_cs4227(hw, reg_slice, reg_val);
- if (status != IXGBE_SUCCESS)
- return status;
-
- reg_slice = IXGBE_CS4227_HOST_SPARE24_LSB + (1 << 12);
- reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
- status = ixgbe_write_cs4227(hw, reg_slice, reg_val);
- if (status != IXGBE_SUCCESS)
- return status;
-
- msec_delay(10);
- }
-
- /* Verify that the ucode is operational on all ports. */
- reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB;
- reg_val = 0xFFFF;
- status = ixgbe_read_cs4227(hw, reg_slice, ®_val);
- if (status != IXGBE_SUCCESS)
- return status;
- if (reg_val != 0)
- return IXGBE_ERR_PHY;
-
- reg_slice = IXGBE_CS4227_HOST_SPARE24_LSB;
- reg_val = 0xFFFF;
- status = ixgbe_read_cs4227(hw, reg_slice, ®_val);
- if (status != IXGBE_SUCCESS)
- return status;
- if (reg_val != 0)
- return IXGBE_ERR_PHY;
-
- reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB + (1 << 12);
- reg_val = 0xFFFF;
- status = ixgbe_read_cs4227(hw, reg_slice, ®_val);
- if (status != IXGBE_SUCCESS)
- return status;
- if (reg_val != 0)
- return IXGBE_ERR_PHY;
-
- reg_slice = IXGBE_CS4227_HOST_SPARE24_LSB + (1 << 12);
- reg_val = 0xFFFF;
- status = ixgbe_read_cs4227(hw, reg_slice, ®_val);
- if (status != IXGBE_SUCCESS)
- return status;
- if (reg_val != 0)
- return IXGBE_ERR_PHY;
-
- /* Set scratch indicating that the diagnostic was successful. */
- status = ixgbe_write_cs4227(hw, IXGBE_CS4227_SCRATCH,
- IXGBE_CS4227_SCRATCH_VALUE);
- if (status != IXGBE_SUCCESS)
- return status;
- status = ixgbe_read_cs4227(hw, IXGBE_CS4227_SCRATCH, &value);
- if (status != IXGBE_SUCCESS)
- return status;
- if (value != IXGBE_CS4227_SCRATCH_VALUE)
- return IXGBE_ERR_PHY;
-
- return IXGBE_SUCCESS;
+ return hw->link.ops.write_link_unlocked(hw, hw->link.addr, reg, value);
}
/**
* ixgbe_reset_cs4227 - Reset CS4227 using port expander
* @hw: pointer to hardware structure
*
+ * This function assumes that the caller has acquired the proper semaphore.
* Returns error code
**/
STATIC s32 ixgbe_reset_cs4227(struct ixgbe_hw *hw)
{
s32 status;
+ u32 retry;
+ u16 value;
u8 reg;
+ /* Trigger hard reset. */
status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, ®);
if (status != IXGBE_SUCCESS)
return status;
if (status != IXGBE_SUCCESS)
return status;
+ /* Wait for the reset to complete. */
msec_delay(IXGBE_CS4227_RESET_DELAY);
+ for (retry = 0; retry < IXGBE_CS4227_RETRIES; retry++) {
+ status = ixgbe_read_cs4227(hw, IXGBE_CS4227_EFUSE_STATUS,
+ &value);
+ if (status == IXGBE_SUCCESS &&
+ value == IXGBE_CS4227_EEPROM_LOAD_OK)
+ break;
+ msec_delay(IXGBE_CS4227_CHECK_DELAY);
+ }
+ if (retry == IXGBE_CS4227_RETRIES) {
+ ERROR_REPORT1(IXGBE_ERROR_INVALID_STATE,
+ "CS4227 reset did not complete.");
+ return IXGBE_ERR_PHY;
+ }
+
+ status = ixgbe_read_cs4227(hw, IXGBE_CS4227_EEPROM_STATUS, &value);
+ if (status != IXGBE_SUCCESS ||
+ !(value & IXGBE_CS4227_EEPROM_LOAD_OK)) {
+ ERROR_REPORT1(IXGBE_ERROR_INVALID_STATE,
+ "CS4227 EEPROM did not load successfully.");
+ return IXGBE_ERR_PHY;
+ }
return IXGBE_SUCCESS;
}
**/
STATIC void ixgbe_check_cs4227(struct ixgbe_hw *hw)
{
+ s32 status = IXGBE_SUCCESS;
u32 swfw_mask = hw->phy.phy_semaphore_mask;
- s32 status;
+ u16 value = 0;
u8 retry;
for (retry = 0; retry < IXGBE_CS4227_RETRIES; retry++) {
status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
if (status != IXGBE_SUCCESS) {
ERROR_REPORT2(IXGBE_ERROR_CAUTION,
- "semaphore failed with %d\n", status);
- return;
+ "semaphore failed with %d", status);
+ msec_delay(IXGBE_CS4227_CHECK_DELAY);
+ continue;
}
- status = ixgbe_get_cs4227_status(hw);
- if (status == IXGBE_SUCCESS) {
- hw->mac.ops.release_swfw_sync(hw, swfw_mask);
- msec_delay(hw->eeprom.semaphore_delay);
+
+ /* Get status of reset flow. */
+ status = ixgbe_read_cs4227(hw, IXGBE_CS4227_SCRATCH, &value);
+
+ if (status == IXGBE_SUCCESS &&
+ value == IXGBE_CS4227_RESET_COMPLETE)
+ goto out;
+
+ if (status != IXGBE_SUCCESS ||
+ value != IXGBE_CS4227_RESET_PENDING)
+ break;
+
+ /* Reset is pending. Wait and check again. */
+ hw->mac.ops.release_swfw_sync(hw, swfw_mask);
+ msec_delay(IXGBE_CS4227_CHECK_DELAY);
+ }
+
+ /* If still pending, assume other instance failed. */
+ if (retry == IXGBE_CS4227_RETRIES) {
+ status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
+ if (status != IXGBE_SUCCESS) {
+ ERROR_REPORT2(IXGBE_ERROR_CAUTION,
+ "semaphore failed with %d", status);
return;
}
- ixgbe_reset_cs4227(hw);
- hw->mac.ops.release_swfw_sync(hw, swfw_mask);
- msec_delay(hw->eeprom.semaphore_delay);
}
- ERROR_REPORT2(IXGBE_ERROR_CAUTION,
- "Unable to initialize CS4227, err=%d\n", status);
+
+ /* Reset the CS4227. */
+ status = ixgbe_reset_cs4227(hw);
+ if (status != IXGBE_SUCCESS) {
+ ERROR_REPORT2(IXGBE_ERROR_INVALID_STATE,
+ "CS4227 reset failed: %d", status);
+ goto out;
+ }
+
+ /* Reset takes so long, temporarily release semaphore in case the
+ * other driver instance is waiting for the reset indication.
+ */
+ ixgbe_write_cs4227(hw, IXGBE_CS4227_SCRATCH,
+ IXGBE_CS4227_RESET_PENDING);
+ hw->mac.ops.release_swfw_sync(hw, swfw_mask);
+ msec_delay(10);
+ status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
+ if (status != IXGBE_SUCCESS) {
+ ERROR_REPORT2(IXGBE_ERROR_CAUTION,
+ "semaphore failed with %d", status);
+ return;
+ }
+
+ /* Record completion for next time. */
+ status = ixgbe_write_cs4227(hw, IXGBE_CS4227_SCRATCH,
+ IXGBE_CS4227_RESET_COMPLETE);
+
+out:
+ hw->mac.ops.release_swfw_sync(hw, swfw_mask);
+ msec_delay(hw->eeprom.semaphore_delay);
}
/**
IXGBE_WRITE_FLUSH(hw);
}
+/**
+ * ixgbe_read_phy_reg_mdi_22 - Read from a clause 22 PHY register without lock
+ * @hw: pointer to hardware structure
+ * @reg_addr: 32 bit address of PHY register to read
+ * @dev_type: always unused
+ * @phy_data: Pointer to read data from PHY register
+ */
+STATIC s32 ixgbe_read_phy_reg_mdi_22(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 dev_type, u16 *phy_data)
+{
+ u32 i, data, command;
+ UNREFERENCED_1PARAMETER(dev_type);
+
+ /* Setup and write the read 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);
+
+ /* Check every 10 usec to see if the access completed.
+ * The MDI Command bit will clear when the operation is
+ * complete
+ */
+ for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) {
+ usec_delay(10);
+
+ command = IXGBE_READ_REG(hw, IXGBE_MSCA);
+ if (!(command & IXGBE_MSCA_MDI_COMMAND))
+ break;
+ }
+
+ if (command & IXGBE_MSCA_MDI_COMMAND) {
+ ERROR_REPORT1(IXGBE_ERROR_POLLING,
+ "PHY read command did not complete.\n");
+ return IXGBE_ERR_PHY;
+ }
+
+ /* Read operation is complete. Get the data from MSRWD */
+ data = IXGBE_READ_REG(hw, IXGBE_MSRWD);
+ data >>= IXGBE_MSRWD_READ_DATA_SHIFT;
+ *phy_data = (u16)data;
+
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_write_phy_reg_mdi_22 - Write to a clause 22 PHY register without lock
+ * @hw: pointer to hardware structure
+ * @reg_addr: 32 bit PHY register to write
+ * @dev_type: always unused
+ * @phy_data: Data to write to the PHY register
+ */
+STATIC s32 ixgbe_write_phy_reg_mdi_22(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 dev_type, u16 phy_data)
+{
+ u32 i, command;
+ UNREFERENCED_1PARAMETER(dev_type);
+
+ /* Put the data in the MDI single read and write data register*/
+ IXGBE_WRITE_REG(hw, IXGBE_MSRWD, (u32)phy_data);
+
+ /* Setup and write the write 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);
+
+ /* Check every 10 usec to see if the access completed.
+ * The MDI Command bit will clear when the operation is
+ * complete
+ */
+ for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) {
+ usec_delay(10);
+
+ command = IXGBE_READ_REG(hw, IXGBE_MSCA);
+ if (!(command & IXGBE_MSCA_MDI_COMMAND))
+ break;
+ }
+
+ if (command & IXGBE_MSCA_MDI_COMMAND) {
+ ERROR_REPORT1(IXGBE_ERROR_POLLING,
+ "PHY write cmd didn't complete\n");
+ return IXGBE_ERR_PHY;
+ }
+
+ return IXGBE_SUCCESS;
+}
+
/**
* ixgbe_identify_phy_x550em - Get PHY type based on device id
* @hw: pointer to hardware structure
*/
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:
+ 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 */
+ case IXGBE_DEV_ID_X550EM_A_SFP_N:
return ixgbe_identify_module_generic(hw);
break;
case IXGBE_DEV_ID_X550EM_X_KX4:
hw->phy.type = ixgbe_phy_x550em_kx4;
break;
case IXGBE_DEV_ID_X550EM_X_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR_L:
hw->phy.type = ixgbe_phy_x550em_kr;
break;
+ case IXGBE_DEV_ID_X550EM_A_10G_T:
+ 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);
return IXGBE_NOT_IMPLEMENTED;
}
+/**
+ * ixgbe_read_i2c_combined_generic - Perform I2C read combined operation
+ * @hw: pointer to the hardware structure
+ * @addr: I2C bus address to read from
+ * @reg: I2C device register to read from
+ * @val: pointer to location to receive read value
+ *
+ * Returns an error code on error.
+ **/
+STATIC s32 ixgbe_read_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr,
+ u16 reg, u16 *val)
+{
+ return ixgbe_read_i2c_combined_generic_int(hw, addr, reg, val, true);
+}
+
+/**
+ * ixgbe_read_i2c_combined_generic_unlocked - Do I2C read combined operation
+ * @hw: pointer to the hardware structure
+ * @addr: I2C bus address to read from
+ * @reg: I2C device register to read from
+ * @val: pointer to location to receive read value
+ *
+ * Returns an error code on error.
+ **/
+STATIC s32
+ixgbe_read_i2c_combined_generic_unlocked(struct ixgbe_hw *hw, u8 addr,
+ u16 reg, u16 *val)
+{
+ return ixgbe_read_i2c_combined_generic_int(hw, addr, reg, val, false);
+}
+
+/**
+ * ixgbe_write_i2c_combined_generic - Perform I2C write combined operation
+ * @hw: pointer to the hardware structure
+ * @addr: I2C bus address to write to
+ * @reg: I2C device register to write to
+ * @val: value to write
+ *
+ * Returns an error code on error.
+ **/
+STATIC s32 ixgbe_write_i2c_combined_generic(struct ixgbe_hw *hw,
+ u8 addr, u16 reg, u16 val)
+{
+ return ixgbe_write_i2c_combined_generic_int(hw, addr, reg, val, true);
+}
+
+/**
+ * ixgbe_write_i2c_combined_generic_unlocked - Do I2C write combined operation
+ * @hw: pointer to the hardware structure
+ * @addr: I2C bus address to write to
+ * @reg: I2C device register to write to
+ * @val: value to write
+ *
+ * Returns an error code on error.
+ **/
+STATIC s32
+ixgbe_write_i2c_combined_generic_unlocked(struct ixgbe_hw *hw,
+ u8 addr, u16 reg, u16 val)
+{
+ return ixgbe_write_i2c_combined_generic_int(hw, addr, reg, val, false);
+}
+
/**
* ixgbe_init_ops_X550EM - Inits func ptrs and MAC type
* @hw: pointer to hardware structure
hw->bus.type = ixgbe_bus_type_internal;
mac->ops.get_bus_info = ixgbe_get_bus_info_X550em;
- 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.get_media_type = ixgbe_get_media_type_X550em;
mac->ops.setup_sfp = ixgbe_setup_sfp_modules_X550em;
mac->ops.get_link_capabilities = ixgbe_get_link_capabilities_X550em;
else
mac->ops.setup_fc = ixgbe_setup_fc_X550em;
- mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550em;
- mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550em;
-
- if (hw->device_id != IXGBE_DEV_ID_X550EM_X_KR)
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_X_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR_L:
+ break;
+ default:
mac->ops.setup_eee = NULL;
+ }
/* PHY */
phy->ops.init = ixgbe_init_phy_ops_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);
+
+ 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;
+
+ 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;
+}
+
+/**
+* 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;
}
/**
- * ixgbe_setup_eee_X550 - Enable/disable EEE support
- * @hw: pointer to the HW structure
- * @enable_eee: boolean flag to enable EEE
- *
- * Enable/disable EEE based on enable_eee flag.
- * Auto-negotiation must be started after BASE-T EEE bits in PHY register 7.3C
- * are modified.
- *
- **/
-s32 ixgbe_setup_eee_X550(struct ixgbe_hw *hw, bool enable_eee)
-{
- u32 eeer;
+ * ixgbe_enable_eee_x550 - Enable EEE support
+ * @hw: pointer to hardware structure
+ */
+STATIC s32 ixgbe_enable_eee_x550(struct ixgbe_hw *hw)
+{
+ u16 autoneg_eee_reg;
+ u32 link_reg;
+ s32 status;
+
+ if (hw->mac.type == ixgbe_mac_X550) {
+ /* Advertise EEE capability */
+ hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_EEE_ADVT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &autoneg_eee_reg);
+
+ autoneg_eee_reg |= (IXGBE_AUTO_NEG_10GBASE_EEE_ADVT |
+ IXGBE_AUTO_NEG_1000BASE_EEE_ADVT |
+ IXGBE_AUTO_NEG_100BASE_EEE_ADVT);
+
+ hw->phy.ops.write_reg(hw, IXGBE_MDIO_AUTO_NEG_EEE_ADVT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ autoneg_eee_reg);
+ return IXGBE_SUCCESS;
+ }
+
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_X_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR_L:
+ 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_reg);
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ link_reg |= IXGBE_KRM_LINK_CTRL_1_TETH_EEE_CAP_KR |
+ IXGBE_KRM_LINK_CTRL_1_TETH_EEE_CAP_KX;
+
+ /* Don't advertise FEC capability when EEE enabled. */
+ link_reg &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_FEC;
+
+ 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_reg);
+ if (status != IXGBE_SUCCESS)
+ return status;
+ break;
+ default:
+ break;
+ }
+
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_disable_eee_x550 - Disable EEE support
+ * @hw: pointer to hardware structure
+ */
+STATIC s32 ixgbe_disable_eee_x550(struct ixgbe_hw *hw)
+{
u16 autoneg_eee_reg;
u32 link_reg;
s32 status;
- u32 fuse;
+
+ if (hw->mac.type == ixgbe_mac_X550) {
+ /* Disable advertised EEE capability */
+ hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_EEE_ADVT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &autoneg_eee_reg);
+
+ autoneg_eee_reg &= ~(IXGBE_AUTO_NEG_10GBASE_EEE_ADVT |
+ IXGBE_AUTO_NEG_1000BASE_EEE_ADVT |
+ IXGBE_AUTO_NEG_100BASE_EEE_ADVT);
+
+ hw->phy.ops.write_reg(hw, IXGBE_MDIO_AUTO_NEG_EEE_ADVT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ autoneg_eee_reg);
+ return IXGBE_SUCCESS;
+ }
+
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_X_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR_L:
+ 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_reg);
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ link_reg &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_EEE_CAP_KR |
+ IXGBE_KRM_LINK_CTRL_1_TETH_EEE_CAP_KX);
+
+ /* Advertise FEC capability when EEE is disabled. */
+ link_reg |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_FEC;
+
+ 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_reg);
+ if (status != IXGBE_SUCCESS)
+ return status;
+ break;
+ default:
+ break;
+ }
+
+ return IXGBE_SUCCESS;
+}
+
+/**
+ * ixgbe_setup_eee_X550 - Enable/disable EEE support
+ * @hw: pointer to the HW structure
+ * @enable_eee: boolean flag to enable EEE
+ *
+ * Enable/disable EEE based on enable_eee flag.
+ * Auto-negotiation must be started after BASE-T EEE bits in PHY register 7.3C
+ * are modified.
+ *
+ **/
+s32 ixgbe_setup_eee_X550(struct ixgbe_hw *hw, bool enable_eee)
+{
+ s32 status;
+ u32 eeer;
DEBUGFUNC("ixgbe_setup_eee_X550");
if (enable_eee) {
eeer |= (IXGBE_EEER_TX_LPI_EN | IXGBE_EEER_RX_LPI_EN);
- if (hw->device_id == IXGBE_DEV_ID_X550T) {
- /* Advertise EEE capability */
- hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_EEE_ADVT,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &autoneg_eee_reg);
-
- autoneg_eee_reg |= (IXGBE_AUTO_NEG_10GBASE_EEE_ADVT |
- IXGBE_AUTO_NEG_1000BASE_EEE_ADVT |
- IXGBE_AUTO_NEG_100BASE_EEE_ADVT);
-
- hw->phy.ops.write_reg(hw, IXGBE_MDIO_AUTO_NEG_EEE_ADVT,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE, autoneg_eee_reg);
- } else if (hw->device_id == IXGBE_DEV_ID_X550EM_X_KR) {
- /* Not supported on first revision. */
- fuse = IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0));
- if (!(fuse & IXGBE_FUSES0_REV1))
- return IXGBE_SUCCESS;
-
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, &link_reg);
- if (status != IXGBE_SUCCESS)
- return status;
-
- link_reg |= IXGBE_KRM_LINK_CTRL_1_TETH_EEE_CAP_KR |
- IXGBE_KRM_LINK_CTRL_1_TETH_EEE_CAP_KX;
-
- /* Don't advertise FEC capability when EEE enabled. */
- link_reg &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_FEC;
-
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, link_reg);
- if (status != IXGBE_SUCCESS)
- return status;
- }
+ /* Not supported on first revision of X550EM_x. */
+ if ((hw->mac.type == ixgbe_mac_X550EM_x) &&
+ !(IXGBE_FUSES0_REV_MASK &
+ IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0))))
+ return IXGBE_SUCCESS;
+ status = ixgbe_enable_eee_x550(hw);
+ if (status)
+ return status;
} else {
eeer &= ~(IXGBE_EEER_TX_LPI_EN | IXGBE_EEER_RX_LPI_EN);
- if (hw->device_id == IXGBE_DEV_ID_X550T) {
- /* Disable advertised EEE capability */
- hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_EEE_ADVT,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &autoneg_eee_reg);
-
- autoneg_eee_reg &= ~(IXGBE_AUTO_NEG_10GBASE_EEE_ADVT |
- IXGBE_AUTO_NEG_1000BASE_EEE_ADVT |
- IXGBE_AUTO_NEG_100BASE_EEE_ADVT);
-
- hw->phy.ops.write_reg(hw, IXGBE_MDIO_AUTO_NEG_EEE_ADVT,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE, autoneg_eee_reg);
- } else if (hw->device_id == IXGBE_DEV_ID_X550EM_X_KR) {
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, &link_reg);
- if (status != IXGBE_SUCCESS)
- return status;
-
- link_reg &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_EEE_CAP_KR |
- IXGBE_KRM_LINK_CTRL_1_TETH_EEE_CAP_KX);
-
- /* Advertise FEC capability when EEE is disabled. */
- link_reg |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_FEC;
-
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, link_reg);
- if (status != IXGBE_SUCCESS)
- return status;
- }
+ status = ixgbe_disable_eee_x550(hw);
+ if (status)
+ return status;
}
IXGBE_WRITE_REG(hw, IXGBE_EEER, eeer);
}
/**
- * 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)
return ret;
}
+/**
+ * ixgbe_get_phy_token - Get the token for shared phy access
+ * @hw: Pointer to hardware structure
+ */
+
+s32 ixgbe_get_phy_token(struct ixgbe_hw *hw)
+{
+ struct ixgbe_hic_phy_token_req token_cmd;
+ s32 status;
+
+ token_cmd.hdr.cmd = FW_PHY_TOKEN_REQ_CMD;
+ token_cmd.hdr.buf_len = FW_PHY_TOKEN_REQ_LEN;
+ token_cmd.hdr.cmd_or_resp.cmd_resv = 0;
+ token_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
+ token_cmd.port_number = hw->bus.lan_id;
+ token_cmd.command_type = FW_PHY_TOKEN_REQ;
+ token_cmd.pad = 0;
+ status = ixgbe_host_interface_command(hw, (u32 *)&token_cmd,
+ sizeof(token_cmd),
+ IXGBE_HI_COMMAND_TIMEOUT,
+ true);
+ if (status)
+ return status;
+ if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK)
+ return IXGBE_SUCCESS;
+ if (token_cmd.hdr.cmd_or_resp.ret_status != FW_PHY_TOKEN_RETRY)
+ return IXGBE_ERR_FW_RESP_INVALID;
+
+ return IXGBE_ERR_TOKEN_RETRY;
+}
+
+/**
+ * ixgbe_put_phy_token - Put the token for shared phy access
+ * @hw: Pointer to hardware structure
+ */
+
+s32 ixgbe_put_phy_token(struct ixgbe_hw *hw)
+{
+ struct ixgbe_hic_phy_token_req token_cmd;
+ s32 status;
+
+ token_cmd.hdr.cmd = FW_PHY_TOKEN_REQ_CMD;
+ token_cmd.hdr.buf_len = FW_PHY_TOKEN_REQ_LEN;
+ token_cmd.hdr.cmd_or_resp.cmd_resv = 0;
+ token_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
+ token_cmd.port_number = hw->bus.lan_id;
+ token_cmd.command_type = FW_PHY_TOKEN_REL;
+ token_cmd.pad = 0;
+ status = ixgbe_host_interface_command(hw, (u32 *)&token_cmd,
+ sizeof(token_cmd),
+ IXGBE_HI_COMMAND_TIMEOUT,
+ true);
+ if (status)
+ return status;
+ if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK)
+ return IXGBE_SUCCESS;
+
+ DEBUGOUT("Put PHY Token host interface command failed");
+ return IXGBE_ERR_FW_RESP_INVALID;
+}
+
+/**
+ * ixgbe_write_iosf_sb_reg_x550a - 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
+ * @data: Data to write to the register
+ **/
+s32 ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u32 data)
+{
+ struct ixgbe_hic_internal_phy_req write_cmd;
+ s32 status;
+ UNREFERENCED_1PARAMETER(device_type);
+
+ memset(&write_cmd, 0, sizeof(write_cmd));
+ write_cmd.hdr.cmd = FW_INT_PHY_REQ_CMD;
+ write_cmd.hdr.buf_len = FW_INT_PHY_REQ_LEN;
+ 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 = 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),
+ IXGBE_HI_COMMAND_TIMEOUT, false);
+
+ return status;
+}
+
+/**
+ * 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
+ * @data: Pointer to read data from the register
+ **/
+s32 ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u32 *data)
+{
+ union {
+ struct ixgbe_hic_internal_phy_req cmd;
+ struct ixgbe_hic_internal_phy_resp rsp;
+ } hic;
+ s32 status;
+ UNREFERENCED_1PARAMETER(device_type);
+
+ 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 *)&hic.cmd,
+ sizeof(hic.cmd),
+ IXGBE_HI_COMMAND_TIMEOUT, true);
+
+ /* Extract the register value from the response. */
+ *data = IXGBE_BE32_TO_CPU(hic.rsp.read_data);
+
+ return status;
+}
+
/**
* ixgbe_disable_mdd_X550
* @hw: pointer to hardware structure
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_X_KR:
case IXGBE_DEV_ID_X550EM_X_KX4:
+ case IXGBE_DEV_ID_X550EM_A_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR_L:
media_type = ixgbe_media_type_backplane;
break;
case IXGBE_DEV_ID_X550EM_X_SFP:
+ case IXGBE_DEV_ID_X550EM_A_SFP:
+ case IXGBE_DEV_ID_X550EM_A_SFP_N:
+ case IXGBE_DEV_ID_X550EM_A_QSFP:
+ case IXGBE_DEV_ID_X550EM_A_QSFP_N:
media_type = ixgbe_media_type_fiber;
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:
+ media_type = ixgbe_media_type_copper;
+ break;
+ case IXGBE_DEV_ID_X550EM_A_SGMII:
+ case IXGBE_DEV_ID_X550EM_A_SGMII_L:
+ media_type = ixgbe_media_type_backplane;
+ hw->phy.type = ixgbe_phy_sgmii;
+ break;
+ case IXGBE_DEV_ID_X550EM_A_1G_T:
+ case IXGBE_DEV_ID_X550EM_A_1G_T_L:
media_type = ixgbe_media_type_copper;
break;
default:
return IXGBE_SUCCESS;
}
+/**
+ * ixgbe_setup_sgmii - Set up link for sgmii
+ * @hw: pointer to hardware structure
+ */
+STATIC s32 ixgbe_setup_sgmii(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_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_init_mac_link_ops_X550em - init mac link function pointers
* @hw: pointer to hardware structure
DEBUGFUNC("ixgbe_init_mac_link_ops_X550em");
- switch (hw->mac.ops.get_media_type(hw)) {
- case ixgbe_media_type_fiber:
+ switch (hw->mac.ops.get_media_type(hw)) {
+ case ixgbe_media_type_fiber:
/* CS4227 does not support autoneg, so disable the laser control
* functions for SFP+ fiber
*/
mac->ops.enable_tx_laser = NULL;
mac->ops.flap_tx_laser = NULL;
mac->ops.setup_link = ixgbe_setup_mac_link_multispeed_fiber;
- mac->ops.setup_mac_link = ixgbe_setup_mac_link_sfp_x550em;
mac->ops.set_rate_select_speed =
ixgbe_set_soft_rate_select_speed;
+ if ((hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N) ||
+ (hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP))
+ mac->ops.setup_mac_link =
+ ixgbe_setup_mac_link_sfp_x550a;
+ else
+ mac->ops.setup_mac_link =
+ 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->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;
+ }
+ break;
+ case ixgbe_media_type_backplane:
+ if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII ||
+ hw->device_id == IXGBE_DEV_ID_X550EM_A_SGMII_L)
+ mac->ops.setup_link = ixgbe_setup_sgmii;
break;
default:
break;
- }
+ }
}
/**
else
*speed = IXGBE_LINK_SPEED_10GB_FULL;
} else {
- *speed = IXGBE_LINK_SPEED_10GB_FULL |
- IXGBE_LINK_SPEED_1GB_FULL;
+ switch (hw->phy.type) {
+ case ixgbe_phy_m88:
+ *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;
+ break;
+ default:
+ *speed = IXGBE_LINK_SPEED_10GB_FULL |
+ IXGBE_LINK_SPEED_1GB_FULL;
+ break;
+ }
*autoneg = true;
}
IXGBE_MDIO_GLOBAL_ALARM_1_INT)))
return status;
- /* High temperature failure alarm triggered */
+ /* Global alarm triggered */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_ALARM_1,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
®);
/* power down the PHY in case the PHY FW didn't already */
ixgbe_set_copper_phy_power(hw, false);
return IXGBE_ERR_OVERTEMP;
+ } else if (reg & IXGBE_MDIO_GLOBAL_ALM_1_DEV_FAULT) {
+ /* device fault alarm triggered */
+ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_FAULT_MSG,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
+ ®);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ /* if device fault was due to high temp alarm handle and exit */
+ if (reg == IXGBE_MDIO_GLOBAL_FAULT_MSG_HI_TMP) {
+ /* power down the PHY in case the PHY FW didn't */
+ ixgbe_set_copper_phy_power(hw, false);
+ return IXGBE_ERR_OVERTEMP;
+ }
}
/* Vendor alarm 2 triggered */
if (status != IXGBE_SUCCESS)
return status;
- /* Enables high temperature failure alarm */
+ /* Enable high temperature failure and global fault alarms */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
®);
if (status != IXGBE_SUCCESS)
return status;
- reg |= IXGBE_MDIO_GLOBAL_INT_HI_TEMP_EN;
+ reg |= (IXGBE_MDIO_GLOBAL_INT_HI_TEMP_EN |
+ IXGBE_MDIO_GLOBAL_INT_DEV_FAULT_EN);
status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
s32 status;
u32 reg_val;
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ status = hw->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)
return status;
/* Restart auto-negotiation. */
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
return status;
}
/**
- * ixgbe_init_phy_ops_X550em - PHY/SFP specific init
- * @hw: pointer to hardware structure
- *
- * Initialize any function pointers that were not able to be
- * set during init_shared_code because the PHY/SFP type was
- * not known. Perform the SFP init if necessary.
+ * ixgbe_setup_m88 - setup m88 PHY
+ * @hw: pointer to hardware structure
*/
-s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
+STATIC s32 ixgbe_setup_m88(struct ixgbe_hw *hw)
{
- struct ixgbe_phy_info *phy = &hw->phy;
- ixgbe_link_speed speed;
- s32 ret_val;
+ u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
+ u16 reg;
+ s32 rc;
- DEBUGFUNC("ixgbe_init_phy_ops_X550em");
+ if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw))
+ return IXGBE_SUCCESS;
- hw->mac.ops.set_lan_id(hw);
+ rc = hw->mac.ops.acquire_swfw_sync(hw, mask);
+ if (rc)
+ return rc;
- 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);
+ 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);
+ }
- /* 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);
+ 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);
+ }
- /* If internal PHY mode is KR, then initialize KR link */
- if (phy->nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE) {
- speed = IXGBE_LINK_SPEED_10GB_FULL |
- IXGBE_LINK_SPEED_1GB_FULL;
- ret_val = ixgbe_setup_kr_speed_x550em(hw, speed);
- }
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 2);
+ if (rc)
+ goto out;
- phy->ops.identify_sfp = ixgbe_identify_sfp_module_X550em;
+ 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 {
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0,
+ 0);
+ if (rc)
+ goto out;
}
- /* Identify the PHY or SFP module */
- ret_val = phy->ops.identify(hw);
- if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED)
- return ret_val;
+ rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, ®);
+ if (rc)
+ goto out;
- /* Setup function pointers based on detected hardware */
- ixgbe_init_mac_link_ops_X550em(hw);
- if (phy->sfp_type != ixgbe_sfp_type_unknown)
- phy->ops.reset = NULL;
+ 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);
+ }
- /* Set functions pointers based on phy type */
- switch (hw->phy.type) {
- case ixgbe_phy_x550em_kx4:
- phy->ops.setup_link = ixgbe_setup_kx4_x550em;
- phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
- phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
- break;
- case ixgbe_phy_x550em_kr:
- phy->ops.setup_link = ixgbe_setup_kr_x550em;
- phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
- 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);
+ 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);
- /* If internal link mode is XFI, then setup iXFI internal link,
- * else setup KR now.
- */
- if (!(phy->nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
- phy->ops.setup_internal_link =
- ixgbe_setup_internal_phy_t_x550em;
- } else {
- speed = IXGBE_LINK_SPEED_10GB_FULL |
- IXGBE_LINK_SPEED_1GB_FULL;
- ret_val = ixgbe_setup_kr_speed_x550em(hw, speed);
- }
+ rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_AN, 0, ®);
+ if (rc)
+ goto out;
+ 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;
+
+ /* Flow control auto negotiation configuration was moved from here to
+ * the function ixgbe_setup_fc_sgmii_x550em_a()
+ */
- /* setup SW LPLU only for first revision */
- if (!(IXGBE_FUSES0_REV1 & IXGBE_READ_REG(hw,
- IXGBE_FUSES0_GROUP(0))))
- phy->ops.enter_lplu = ixgbe_enter_lplu_t_x550em;
+ 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);
- phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em;
- phy->ops.reset = ixgbe_reset_phy_t_X550em;
- break;
- default:
- break;
- }
- return ret_val;
+ 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_m88e1500 - Reset m88e1500 PHY
+ * @hw: pointer to hardware structure
+ *
+ * The PHY token must be held when calling this function.
+ */
+static s32 ixgbe_reset_phy_m88e1500(struct ixgbe_hw *hw)
+{
+ u16 reg;
+ s32 rc;
+
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
+ if (rc)
+ return rc;
+
+ rc = hw->phy.ops.read_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, ®);
+ if (rc)
+ return rc;
+
+ reg |= IXGBE_M88E1500_COPPER_CTRL_RESET;
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_COPPER_CTRL, 0, reg);
+
+ usec_delay(10);
+
+ 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 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, mask);
+ if (rc)
+ return rc;
+
+ 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;
+ }
+
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 1);
+ if (rc)
+ goto out;
+
+ 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;
+
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 18);
+ if (rc)
+ goto out;
+
+ 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)
+ goto out;
+
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 1);
+ if (rc)
+ goto out;
+
+ 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 out;
+
+ rc = hw->phy.ops.write_reg_mdi(hw, IXGBE_M88E1500_PAGE_ADDR, 0, 0);
+ if (rc)
+ goto out;
+
+ 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;
+
+ 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;
+
+ 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;
+}
+
+/**
+ * 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
+ *
+ * Initialize any function pointers that were not able to be
+ * set during init_shared_code because the PHY/SFP type was
+ * not known. Perform the SFP init if necessary.
+ */
+s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
+{
+ struct ixgbe_phy_info *phy = &hw->phy;
+ s32 ret_val;
+
+ DEBUGFUNC("ixgbe_init_phy_ops_X550em");
+
+ 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);
+ 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;
+ 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;
+ }
+
+ /* Identify the PHY or SFP module */
+ ret_val = phy->ops.identify(hw);
+ if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ return ret_val;
+
+ /* Setup function pointers based on detected hardware */
+ ixgbe_init_mac_link_ops_X550em(hw);
+ if (phy->sfp_type != ixgbe_sfp_type_unknown)
+ phy->ops.reset = NULL;
+
+ /* Set functions pointers based on phy type */
+ switch (hw->phy.type) {
+ case ixgbe_phy_x550em_kx4:
+ phy->ops.setup_link = NULL;
+ phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
+ phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
+ break;
+ case ixgbe_phy_x550em_kr:
+ phy->ops.setup_link = ixgbe_setup_kr_x550em;
+ phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
+ phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
+ break;
+ case ixgbe_phy_x550em_ext_t:
+ /* If internal link mode is XFI, then setup iXFI internal link,
+ * else setup KR now.
+ */
+ phy->ops.setup_internal_link =
+ ixgbe_setup_internal_phy_t_x550em;
+
+ /* setup SW LPLU only for first revision of X550EM_x */
+ if ((hw->mac.type == ixgbe_mac_X550EM_x) &&
+ !(IXGBE_FUSES0_REV_MASK &
+ IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0))))
+ phy->ops.enter_lplu = ixgbe_enter_lplu_t_x550em;
+
+ phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em;
+ phy->ops.reset = ixgbe_reset_phy_t_X550em;
+ break;
+ case ixgbe_phy_sgmii:
+ phy->ops.setup_link = NULL;
+ break;
+ case ixgbe_phy_m88:
+ phy->ops.setup_link = ixgbe_setup_m88;
+ phy->ops.reset = ixgbe_reset_phy_m88;
+ break;
+ default:
+ break;
+ }
+ return ret_val;
+}
+
+/**
+ * ixgbe_set_mdio_speed - Set MDIO clock speed
+ * @hw: pointer to hardware structure
+ */
+STATIC void ixgbe_set_mdio_speed(struct ixgbe_hw *hw)
+{
+ u32 hlreg0;
+
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_X_10G_T:
+ case IXGBE_DEV_ID_X550EM_A_SGMII:
+ case IXGBE_DEV_ID_X550EM_A_SGMII_L:
+ case IXGBE_DEV_ID_X550EM_A_1G_T:
+ case IXGBE_DEV_ID_X550EM_A_1G_T_L:
+ case IXGBE_DEV_ID_X550EM_A_10G_T:
+ case IXGBE_DEV_ID_X550EM_A_SFP:
+ case IXGBE_DEV_ID_X550EM_A_QSFP:
+ /* 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);
+ break;
+ default:
+ break;
+ }
}
/**
s32 status;
u32 ctrl = 0;
u32 i;
- u32 hlreg0;
bool link_up = false;
DEBUGFUNC("ixgbe_reset_hw_X550em");
/* flush pending Tx transactions */
ixgbe_clear_tx_pending(hw);
- /* PHY ops must be identified and initialized prior to reset */
+ ixgbe_set_mdio_speed(hw);
- /* 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)
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);
- }
+ ixgbe_set_mdio_speed(hw);
if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP)
ixgbe_setup_mux_ctl(hw);
* ixgbe_setup_kr_x550em - Configure the KR PHY.
* @hw: pointer to hardware structure
*
- * Configures the integrated KR PHY.
+ * Configures the integrated KR PHY for X550EM_x.
**/
s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw)
{
+ if (hw->mac.type != ixgbe_mac_X550EM_x)
+ return IXGBE_SUCCESS;
+
return ixgbe_setup_kr_speed_x550em(hw, hw->phy.autoneg_advertised);
}
/**
- * ixgbe_setup_kx4_x550em - Configure the KX4 PHY.
+ * ixgbe_setup_mac_link_sfp_x550em - Setup internal/external the PHY for SFP
* @hw: pointer to hardware structure
*
- * Configures the integrated KX4 PHY.
+ * Configure the external PHY and the integrated KR PHY for SFP support.
**/
-s32 ixgbe_setup_kx4_x550em(struct ixgbe_hw *hw)
+s32 ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw,
+ ixgbe_link_speed speed,
+ bool autoneg_wait_to_complete)
{
- s32 status;
- u32 reg_val;
-
- status = ixgbe_read_iosf_sb_reg_x550(hw, IXGBE_KX4_LINK_CNTL_1,
- IXGBE_SB_IOSF_TARGET_KX4_PCS, ®_val);
- if (status)
- return status;
-
- reg_val &= ~(IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX4 |
- IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX);
+ s32 ret_val;
+ u16 reg_slice, reg_val;
+ bool setup_linear = false;
+ UNREFERENCED_1PARAMETER(autoneg_wait_to_complete);
- reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_ENABLE;
+ /* Check if SFP module is supported and linear */
+ ret_val = ixgbe_supported_sfp_modules_X550em(hw, &setup_linear);
- /* Advertise 10G support. */
- if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
- reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX4;
+ /* If no SFP module present, then return success. Return success since
+ * there is no reason to configure CS4227 and SFP not present error is
+ * not excepted in the setup MAC link flow.
+ */
+ if (ret_val == IXGBE_ERR_SFP_NOT_PRESENT)
+ return IXGBE_SUCCESS;
- /* Advertise 1G support. */
- if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
- reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX;
+ if (ret_val != IXGBE_SUCCESS)
+ return ret_val;
- /* Restart auto-negotiation. */
- reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_RESTART;
- status = ixgbe_write_iosf_sb_reg_x550(hw, IXGBE_KX4_LINK_CNTL_1,
- IXGBE_SB_IOSF_TARGET_KX4_PCS, reg_val);
+ /* Configure internal PHY for KR/KX. */
+ ixgbe_setup_kr_speed_x550em(hw, speed);
- return status;
+ /* 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;
}
/**
- * ixgbe_setup_ixfi_x550em - Configure the KR PHY for iXFI mode.
+ * ixgbe_setup_mac_link_sfp_x550a - Setup internal PHY for SFP
* @hw: pointer to hardware structure
- * @speed: the link speed to force
*
- * Configures the integrated KR PHY to use iXFI mode. Used to connect an
- * internal and external PHY at a specific speed, without autonegotiation.
+ * Configure the the integrated PHY for SFP support.
**/
-STATIC s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
+s32 ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw,
+ ixgbe_link_speed speed,
+ bool autoneg_wait_to_complete)
{
- s32 status;
- u32 reg_val;
+ s32 ret_val;
+ u16 reg_phy_ext;
+ bool setup_linear = false;
+ u32 reg_slice, reg_phy_int, slice_offset;
- /* Disable AN and force speed to 10G Serial. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
- if (status != IXGBE_SUCCESS)
- return status;
+ UNREFERENCED_1PARAMETER(autoneg_wait_to_complete);
- reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
- reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
+ /* Check if SFP module is supported and linear */
+ ret_val = ixgbe_supported_sfp_modules_X550em(hw, &setup_linear);
- /* Select forced link speed for internal PHY. */
- switch (*speed) {
- case IXGBE_LINK_SPEED_10GB_FULL:
- reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_10G;
- break;
- case IXGBE_LINK_SPEED_1GB_FULL:
- reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
- break;
- default:
- /* Other link speeds are not supported by internal KR PHY. */
- return IXGBE_ERR_LINK_SETUP;
- }
+ /* If no SFP module present, then return success. Return success since
+ * SFP not present error is not excepted in the setup MAC link flow.
+ */
+ if (ret_val == IXGBE_ERR_SFP_NOT_PRESENT)
+ return IXGBE_SUCCESS;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
- if (status != IXGBE_SUCCESS)
- return status;
+ if (ret_val != IXGBE_SUCCESS)
+ return ret_val;
- /* Disable training protocol FSM. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
+ if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N) {
+ /* Configure internal PHY for native SFI */
+ ret_val = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_8(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_phy_int);
+
+ if (ret_val != IXGBE_SUCCESS)
+ return ret_val;
+
+ if (setup_linear) {
+ reg_phy_int &= ~IXGBE_KRM_AN_CNTL_8_LIMITING;
+ reg_phy_int |= IXGBE_KRM_AN_CNTL_8_LINEAR;
+ } else {
+ reg_phy_int |= IXGBE_KRM_AN_CNTL_8_LIMITING;
+ reg_phy_int &= ~IXGBE_KRM_AN_CNTL_8_LINEAR;
+ }
+
+ ret_val = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_8(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_phy_int);
+
+ if (ret_val != IXGBE_SUCCESS)
+ return ret_val;
+
+ /* Setup XFI/SFI internal link. */
+ ret_val = ixgbe_setup_ixfi_x550em(hw, &speed);
+ } else {
+ /* Configure internal PHY for KR/KX. */
+ ixgbe_setup_kr_speed_x550em(hw, speed);
+
+ if (hw->phy.addr == 0x0 || hw->phy.addr == 0xFFFF) {
+ /* Find Address */
+ DEBUGOUT("Invalid NW_MNG_IF_SEL.MDIO_PHY_ADD value\n");
+ return IXGBE_ERR_PHY_ADDR_INVALID;
+ }
+
+ /* Get external PHY device id */
+ ret_val = hw->phy.ops.read_reg(hw, IXGBE_CS4227_GLOBAL_ID_MSB,
+ IXGBE_MDIO_ZERO_DEV_TYPE, ®_phy_ext);
+
+ if (ret_val != IXGBE_SUCCESS)
+ return ret_val;
+
+ /* When configuring quad port CS4223, the MAC instance is part
+ * of the slice offset.
+ */
+ if (reg_phy_ext == IXGBE_CS4223_PHY_ID)
+ slice_offset = (hw->bus.lan_id +
+ (hw->bus.instance_id << 1)) << 12;
+ else
+ slice_offset = hw->bus.lan_id << 12;
+
+ /* Configure CS4227/CS4223 LINE side to proper mode. */
+ reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB + slice_offset;
+ if (setup_linear)
+ reg_phy_ext = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
+ else
+ reg_phy_ext = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
+ ret_val = hw->phy.ops.write_reg(hw, reg_slice,
+ IXGBE_MDIO_ZERO_DEV_TYPE, reg_phy_ext);
+ }
+ return ret_val;
+}
+
+/**
+ * ixgbe_setup_ixfi_x550em_x - MAC specific iXFI configuration
+ * @hw: pointer to hardware structure
+ *
+ * iXfI configuration needed for ixgbe_mac_X550EM_x devices.
+ **/
+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 = 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;
+}
+
+/**
+ * ixgbe_setup_ixfi_x550em - Configure the KR PHY for iXFI mode.
+ * @hw: pointer to hardware structure
+ * @speed: the link speed to force
+ *
+ * Configures the integrated KR PHY to use iXFI mode. Used to connect an
+ * internal and external PHY at a specific speed, without autonegotiation.
+ **/
+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 = 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_ENABLE;
+ reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
+
+ /* Select forced link speed for internal PHY. */
+ switch (*speed) {
+ case IXGBE_LINK_SPEED_10GB_FULL:
+ reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_10G;
+ break;
+ case IXGBE_LINK_SPEED_1GB_FULL:
+ reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
+ break;
+ default:
+ /* Other link speeds are not supported by internal KR PHY. */
+ return IXGBE_ERR_LINK_SETUP;
+ }
+
+ 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)
return status;
+ /* Additional configuration needed for x550em_x */
+ if (hw->mac.type == ixgbe_mac_X550EM_x) {
+ status = ixgbe_setup_ixfi_x550em_x(hw);
+ if (status != IXGBE_SUCCESS)
+ return status;
+ }
+
/* 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);
return IXGBE_SUCCESS;
}
-/**
- * ixgbe_setup_mac_link_sfp_x550em - Setup internal/external the PHY for SFP
- * @hw: pointer to hardware structure
- *
- * Configure the external PHY and the integrated KR PHY for SFP support.
- **/
-s32 ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw,
- ixgbe_link_speed speed,
- bool autoneg_wait_to_complete)
-{
- s32 ret_val;
- u16 reg_slice, reg_val;
- bool setup_linear = false;
- UNREFERENCED_1PARAMETER(autoneg_wait_to_complete);
-
- /* Check if SFP module is supported and linear */
- ret_val = ixgbe_supported_sfp_modules_X550em(hw, &setup_linear);
-
- /* If no SFP module present, then return success. Return success since
- * there is no reason to configure CS4227 and SFP not present error is
- * not excepted in the setup MAC link flow.
- */
- if (ret_val == IXGBE_ERR_SFP_NOT_PRESENT)
- return IXGBE_SUCCESS;
-
- if (ret_val != IXGBE_SUCCESS)
- return ret_val;
-
- /* Configure CS4227 for LINE connection rate then type. */
- reg_slice = IXGBE_CS4227_LINE_SPARE22_MSB + (hw->bus.lan_id << 12);
- reg_val = (speed & IXGBE_LINK_SPEED_10GB_FULL) ? 0 : 0x8000;
- ret_val = ixgbe_write_i2c_combined(hw, IXGBE_CS4227, reg_slice,
- reg_val);
-
- 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 = ixgbe_write_i2c_combined(hw, IXGBE_CS4227, 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) ? 0 : 0x8000;
- ret_val = ixgbe_write_i2c_combined(hw, IXGBE_CS4227, 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 = ixgbe_write_i2c_combined(hw, IXGBE_CS4227, reg_slice,
- reg_val);
-
- /* If internal link mode is XFI, then setup XFI internal link. */
- if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE))
- ret_val = ixgbe_setup_ixfi_x550em(hw, &speed);
-
- return ret_val;
-}
-
/**
* ixgbe_setup_internal_phy_t_x550em - Configure KR PHY to X557 link
* @hw: point to hardware structure
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
return IXGBE_ERR_CONFIG;
- /* If link is not up, then there is no setup necessary so return */
- status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
- if (status != IXGBE_SUCCESS)
- return status;
+ if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
+ /* If link is down, there is no setup necessary so return */
+ status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
+ if (status != IXGBE_SUCCESS)
+ return status;
- if (!link_up)
- return IXGBE_SUCCESS;
+ if (!link_up)
+ return IXGBE_SUCCESS;
- status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_STAT,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
- &speed);
- if (status != IXGBE_SUCCESS)
- return status;
+ status = hw->phy.ops.read_reg(hw,
+ IXGBE_MDIO_AUTO_NEG_VENDOR_STAT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &speed);
+ if (status != IXGBE_SUCCESS)
+ return status;
- /* If link is not still up, then no setup is necessary so return */
- status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
- if (status != IXGBE_SUCCESS)
- return status;
- if (!link_up)
- return IXGBE_SUCCESS;
+ /* If link is still down - no setup is required so return */
+ status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
+ if (status != IXGBE_SUCCESS)
+ return status;
+ if (!link_up)
+ return IXGBE_SUCCESS;
- /* clear everything but the speed and duplex bits */
- speed &= IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_MASK;
+ /* clear everything but the speed and duplex bits */
+ speed &= IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_MASK;
- switch (speed) {
- case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB_FULL:
- force_speed = IXGBE_LINK_SPEED_10GB_FULL;
- break;
- case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_1GB_FULL:
- force_speed = IXGBE_LINK_SPEED_1GB_FULL;
- break;
- default:
- /* Internal PHY does not support anything else */
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
- }
+ switch (speed) {
+ case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB_FULL:
+ force_speed = IXGBE_LINK_SPEED_10GB_FULL;
+ break;
+ case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_1GB_FULL:
+ force_speed = IXGBE_LINK_SPEED_1GB_FULL;
+ break;
+ default:
+ /* Internal PHY does not support anything else */
+ return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ }
- return ixgbe_setup_ixfi_x550em(hw, &force_speed);
+ return ixgbe_setup_ixfi_x550em(hw, &force_speed);
+ } else {
+ speed = IXGBE_LINK_SPEED_10GB_FULL |
+ IXGBE_LINK_SPEED_1GB_FULL;
+ return ixgbe_setup_kr_speed_x550em(hw, speed);
+ }
}
/**
u32 reg_val;
/* Disable AN and force speed to 10G Serial. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ status = hw->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_ENABLE;
reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_10G;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ status = hw->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)
return status;
/* Set near-end loopback clocks. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_PORT_CAR_GEN_CTRL(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PORT_CAR_GEN_CTRL(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
return status;
reg_val |= IXGBE_KRM_PORT_CAR_GEN_CTRL_NELB_32B;
reg_val |= IXGBE_KRM_PORT_CAR_GEN_CTRL_NELB_KRPCS;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_PORT_CAR_GEN_CTRL(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_PORT_CAR_GEN_CTRL(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
return status;
/* Set loopback enable. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_PMD_DFX_BURNIN(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ status = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_DFX_BURNIN(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status != IXGBE_SUCCESS)
return status;
reg_val |= IXGBE_KRM_PMD_DFX_BURNIN_TX_RX_KR_LB_MASK;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_PMD_DFX_BURNIN(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ status = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_PMD_DFX_BURNIN(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status != IXGBE_SUCCESS)
return status;
/* Training bypass. */
- status = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ status = hw->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_PROTOCOL_BYPASS;
- status = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ status = hw->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);
return status;
}
bool link_up;
/* SW LPLU not required on later HW revisions. */
- if (IXGBE_FUSES0_REV1 & IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0)))
+ if ((hw->mac.type == ixgbe_mac_X550EM_x) &&
+ (IXGBE_FUSES0_REV_MASK &
+ IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0))))
return IXGBE_SUCCESS;
/* If blocked by MNG FW, then don't restart AN */
if (status != IXGBE_SUCCESS)
return status;
- /* If no valid LCD link speed, then force link down and exit. */
- if (lcd_speed == IXGBE_LINK_SPEED_UNKNOWN)
- return ixgbe_set_copper_phy_power(hw, FALSE);
+ /* If no valid LCD link speed, then force link down and exit. */
+ if (lcd_speed == IXGBE_LINK_SPEED_UNKNOWN)
+ return ixgbe_set_copper_phy_power(hw, FALSE);
+
+ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_STAT,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &speed);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ /* If no link now, speed is invalid so take link down */
+ status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
+ if (status != IXGBE_SUCCESS)
+ return ixgbe_set_copper_phy_power(hw, false);
+
+ /* clear everything but the speed bits */
+ speed &= IXGBE_MDIO_AUTO_NEG_VEN_STAT_SPEED_MASK;
+
+ /* If current speed is already LCD, then exit. */
+ if (((speed == IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_1GB) &&
+ (lcd_speed == IXGBE_LINK_SPEED_1GB_FULL)) ||
+ ((speed == IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB) &&
+ (lcd_speed == IXGBE_LINK_SPEED_10GB_FULL)))
+ return status;
+
+ /* Clear AN completed indication */
+ status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_TX_ALARM,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &autoneg_reg);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ status = hw->phy.ops.read_reg(hw, IXGBE_MII_10GBASE_T_AUTONEG_CTRL_REG,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &an_10g_cntl_reg);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ status = hw->phy.ops.read_reg(hw,
+ IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &autoneg_reg);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ save_autoneg = hw->phy.autoneg_advertised;
+
+ /* Setup link at least common link speed */
+ status = hw->mac.ops.setup_link(hw, lcd_speed, false);
+
+ /* restore autoneg from before setting lplu speed */
+ hw->phy.autoneg_advertised = save_autoneg;
+
+ return status;
+}
+
+/**
+ * ixgbe_get_lcd_x550em - Determine lowest common denominator
+ * @hw: pointer to hardware structure
+ * @lcd_speed: pointer to lowest common link speed
+ *
+ * Determine lowest common link speed with link partner.
+ **/
+s32 ixgbe_get_lcd_t_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *lcd_speed)
+{
+ u16 an_lp_status;
+ s32 status;
+ u16 word = hw->eeprom.ctrl_word_3;
+
+ *lcd_speed = IXGBE_LINK_SPEED_UNKNOWN;
+
+ status = hw->phy.ops.read_reg(hw, IXGBE_AUTO_NEG_LP_STATUS,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &an_lp_status);
+
+ if (status != IXGBE_SUCCESS)
+ return status;
+
+ /* If link partner advertised 1G, return 1G */
+ if (an_lp_status & IXGBE_AUTO_NEG_LP_1000BASE_CAP) {
+ *lcd_speed = IXGBE_LINK_SPEED_1GB_FULL;
+ return status;
+ }
+
+ /* If 10G disabled for LPLU via NVM D10GMP, then return no valid LCD */
+ if ((hw->bus.lan_id && (word & NVM_INIT_CTRL_3_D10GMP_PORT1)) ||
+ (word & NVM_INIT_CTRL_3_D10GMP_PORT0))
+ return status;
+
+ /* Link partner not capable of lower speeds, return 10G */
+ *lcd_speed = IXGBE_LINK_SPEED_10GB_FULL;
+ return status;
+}
+
+/**
+ * ixgbe_setup_fc_X550em - Set up flow control
+ * @hw: pointer to hardware structure
+ *
+ * Called at init time to set up flow control.
+ **/
+s32 ixgbe_setup_fc_X550em(struct ixgbe_hw *hw)
+{
+ s32 ret_val = IXGBE_SUCCESS;
+ u32 pause, asm_dir, reg_val;
+
+ DEBUGFUNC("ixgbe_setup_fc_X550em");
+
+ /* 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");
+ ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
+ goto out;
+ }
+
+ /* 10gig parts do not have a word in the EEPROM to determine the
+ * default flow control setting, so we explicitly set it to full.
+ */
+ if (hw->fc.requested_mode == ixgbe_fc_default)
+ hw->fc.requested_mode = ixgbe_fc_full;
+
+ /* Determine PAUSE and ASM_DIR bits. */
+ switch (hw->fc.requested_mode) {
+ case ixgbe_fc_none:
+ pause = 0;
+ asm_dir = 0;
+ break;
+ case ixgbe_fc_tx_pause:
+ pause = 0;
+ asm_dir = 1;
+ 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:
+ pause = 1;
+ asm_dir = 1;
+ break;
+ default:
+ ERROR_REPORT1(IXGBE_ERROR_ARGUMENT,
+ "Flow control param set incorrectly\n");
+ ret_val = IXGBE_ERR_CONFIG;
+ goto out;
+ }
+
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_X_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR:
+ case IXGBE_DEV_ID_X550EM_A_KR_L:
+ ret_val = hw->mac.ops.read_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
+ if (ret_val != IXGBE_SUCCESS)
+ goto out;
+ reg_val &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
+ IXGBE_KRM_AN_CNTL_1_ASM_PAUSE);
+ if (pause)
+ reg_val |= IXGBE_KRM_AN_CNTL_1_SYM_PAUSE;
+ if (asm_dir)
+ reg_val |= IXGBE_KRM_AN_CNTL_1_ASM_PAUSE;
+ ret_val = hw->mac.ops.write_iosf_sb_reg(hw,
+ IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
+ IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+
+ /* This device does not fully support AN. */
+ hw->fc.disable_fc_autoneg = true;
+ break;
+ default:
+ break;
+ }
+
+out:
+ 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_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;
+ }
- status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_STAT,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
- &speed);
+ /* 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)
- return status;
+ goto out;
- /* If no link now, speed is invalid so take link down */
- status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
+ /* 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)
- return ixgbe_set_copper_phy_power(hw, false);
+ goto out;
- /* clear everything but the speed bits */
- speed &= IXGBE_MDIO_AUTO_NEG_VEN_STAT_SPEED_MASK;
+ /* 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);
- /* If current speed is already LCD, then exit. */
- if (((speed == IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_1GB) &&
- (lcd_speed == IXGBE_LINK_SPEED_1GB_FULL)) ||
- ((speed == IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB) &&
- (lcd_speed == IXGBE_LINK_SPEED_10GB_FULL)))
- return status;
+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;
+ }
+}
- /* Clear AN completed indication */
- status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_TX_ALARM,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
- &autoneg_reg);
+/**
+ * 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;
- if (status != IXGBE_SUCCESS)
- return status;
+ /* 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;
+ }
- status = hw->phy.ops.read_reg(hw, IXGBE_MII_10GBASE_T_AUTONEG_CTRL_REG,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
- &an_10g_cntl_reg);
+ if (hw->fc.requested_mode == ixgbe_fc_default)
+ hw->fc.requested_mode = ixgbe_fc_full;
- if (status != IXGBE_SUCCESS)
- return status;
+ /* 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;
- status = hw->phy.ops.read_reg(hw,
- IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
- &autoneg_reg);
+ /* Disable all the settings related to Flow control Auto-negotiation */
+ reg &= ~IXGBE_M88E1500_COPPER_AN_AS_PAUSE;
+ reg &= ~IXGBE_M88E1500_COPPER_AN_PAUSE;
- if (status != IXGBE_SUCCESS)
- return status;
+ /* 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;
+ }
- save_autoneg = hw->phy.autoneg_advertised;
+ /* 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);
- /* Setup link at least common link speed */
- status = hw->mac.ops.setup_link(hw, lcd_speed, false);
+ /* In this section of the code we restart Auto-negotiation */
- /* restore autoneg from before setting lplu speed */
- hw->phy.autoneg_advertised = save_autoneg;
+ /* 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;
- return status;
+ /* 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_get_lcd_x550em - Determine lowest common denominator
+ * ixgbe_setup_fc_backplane_x550em_a - Set up flow control
* @hw: pointer to hardware structure
- * @lcd_speed: pointer to lowest common link speed
*
- * Determine lowest common link speed with link partner.
+ * Called at init time to set up flow control.
**/
-s32 ixgbe_get_lcd_t_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *lcd_speed)
+s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw)
{
- u16 an_lp_status;
- s32 status;
- u16 word = hw->eeprom.ctrl_word_3;
+ s32 status = IXGBE_SUCCESS;
+ u32 an_cntl, link_ctrl = 0;
- *lcd_speed = IXGBE_LINK_SPEED_UNKNOWN;
+ DEBUGFUNC("ixgbe_setup_fc_backplane_x550em_a");
- status = hw->phy.ops.read_reg(hw, IXGBE_AUTO_NEG_LP_STATUS,
- IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
- &an_lp_status);
+ /* 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 (status != IXGBE_SUCCESS)
- return status;
+ if (hw->fc.requested_mode == ixgbe_fc_default)
+ hw->fc.requested_mode = ixgbe_fc_full;
- /* If link partner advertised 1G, return 1G */
- if (an_lp_status & IXGBE_AUTO_NEG_LP_1000BASE_CAP) {
- *lcd_speed = IXGBE_LINK_SPEED_1GB_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;
}
- /* If 10G disabled for LPLU via NVM D10GMP, then return no valid LCD */
- if ((hw->bus.lan_id && (word & NVM_INIT_CTRL_3_D10GMP_PORT1)) ||
- (word & NVM_INIT_CTRL_3_D10GMP_PORT0))
+ /* 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);
- /* Link partner not capable of lower speeds, return 10G */
- *lcd_speed = IXGBE_LINK_SPEED_10GB_FULL;
return status;
}
/**
- * ixgbe_setup_fc_X550em - Set up flow control
+ * 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_X550em(struct ixgbe_hw *hw)
+s32 ixgbe_setup_fc_fiber_x550em_a(struct ixgbe_hw *hw)
{
- s32 ret_val = IXGBE_SUCCESS;
- u32 pause, asm_dir, reg_val;
+ struct ixgbe_mac_info *mac = &hw->mac;
+ s32 rc = IXGBE_SUCCESS;
+ u32 an_cntl4, lctrl, pcs_an;
- DEBUGFUNC("ixgbe_setup_fc_X550em");
+ 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");
- ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
- goto out;
+ "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
+ return IXGBE_ERR_INVALID_LINK_SETTINGS;
}
- /* 10gig parts do not have a word in the EEPROM to determine the
- * default flow control setting, so we explicitly set it to full.
- */
+ /* 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;
- /* Determine PAUSE and ASM_DIR bits. */
+ 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:
- pause = 0;
- asm_dir = 0;
+ /* 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:
- pause = 0;
- asm_dir = 1;
+ /* 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
* disable the adapter's ability to send PAUSE frames.
*/
case ixgbe_fc_full:
- pause = 1;
- asm_dir = 1;
+ /* 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");
- ret_val = IXGBE_ERR_CONFIG;
- goto out;
+ "Flow control param set incorrectly\n");
+ return IXGBE_ERR_CONFIG;
}
- if (hw->phy.media_type == ixgbe_media_type_backplane) {
- ret_val = ixgbe_read_iosf_sb_reg_x550(hw,
- IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
- if (ret_val != IXGBE_SUCCESS)
- goto out;
- reg_val &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
- IXGBE_KRM_AN_CNTL_1_ASM_PAUSE);
- if (pause)
- reg_val |= IXGBE_KRM_AN_CNTL_1_SYM_PAUSE;
- if (asm_dir)
- reg_val |= IXGBE_KRM_AN_CNTL_1_ASM_PAUSE;
- ret_val = ixgbe_write_iosf_sb_reg_x550(hw,
- IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
- IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
+ 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);
- /* Not all devices fully support AN. */
- if (hw->device_id == IXGBE_DEV_ID_X550EM_X_KR)
- hw->fc.disable_fc_autoneg = true;
+ if (rc) {
+ DEBUGOUT("Auto-Negotiation did not complete\n");
+ return rc;
}
-out:
- return ret_val;
+ 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_release_swfw_sync_X540(hw, mask);
}
+/**
+ * ixgbe_acquire_swfw_sync_X550a - Acquire SWFW semaphore
+ * @hw: pointer to hardware structure
+ * @mask: Mask to specify which semaphore to acquire
+ *
+ * Acquires the SWFW semaphore and get the shared phy token as needed
+ */
+STATIC s32 ixgbe_acquire_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask)
+{
+ u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM;
+ int retries = FW_PHY_TOKEN_RETRIES;
+ s32 status = IXGBE_SUCCESS;
+
+ DEBUGFUNC("ixgbe_acquire_swfw_sync_X550a");
+
+ while (--retries) {
+ status = IXGBE_SUCCESS;
+ if (hmask)
+ status = ixgbe_acquire_swfw_sync_X540(hw, hmask);
+ if (status)
+ return status;
+ if (!(mask & IXGBE_GSSR_TOKEN_SM))
+ return IXGBE_SUCCESS;
+
+ status = ixgbe_get_phy_token(hw);
+ if (status == IXGBE_SUCCESS)
+ return IXGBE_SUCCESS;
+
+ if (hmask)
+ ixgbe_release_swfw_sync_X540(hw, hmask);
+ if (status != IXGBE_ERR_TOKEN_RETRY)
+ return status;
+ }
+
+ return status;
+}
+
+/**
+ * ixgbe_release_swfw_sync_X550a - Release SWFW semaphore
+ * @hw: pointer to hardware structure
+ * @mask: Mask to specify which semaphore to release
+ *
+ * Releases the SWFW semaphore and puts the shared phy token as needed
+ */
+STATIC void ixgbe_release_swfw_sync_X550a(struct ixgbe_hw *hw, u32 mask)
+{
+ u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM;
+
+ DEBUGFUNC("ixgbe_release_swfw_sync_X550a");
+
+ if (mask & IXGBE_GSSR_TOKEN_SM)
+ ixgbe_put_phy_token(hw);
+
+ if (hmask)
+ ixgbe_release_swfw_sync_X540(hw, hmask);
+}
+
+/**
+ * ixgbe_read_phy_reg_x550a - Reads specified PHY register
+ * @hw: pointer to hardware structure
+ * @reg_addr: 32 bit address of PHY register to read
+ * @phy_data: Pointer to read data from PHY register
+ *
+ * Reads a value from a specified PHY register using the SWFW lock and PHY
+ * Token. The PHY Token is needed since the MDIO is shared between to MAC
+ * instances.
+ **/
+s32 ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u16 *phy_data)
+{
+ s32 status;
+ u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
+
+ DEBUGFUNC("ixgbe_read_phy_reg_x550a");
+
+ if (hw->mac.ops.acquire_swfw_sync(hw, mask))
+ return IXGBE_ERR_SWFW_SYNC;
+
+ status = hw->phy.ops.read_reg_mdi(hw, reg_addr, device_type, phy_data);
+
+ hw->mac.ops.release_swfw_sync(hw, mask);
+
+ return status;
+}
+
+/**
+ * ixgbe_write_phy_reg_x550a - Writes specified PHY register
+ * @hw: pointer to hardware structure
+ * @reg_addr: 32 bit PHY register to write
+ * @device_type: 5 bit device type
+ * @phy_data: Data to write to the PHY register
+ *
+ * Writes a value to specified PHY register using the SWFW lock and PHY Token.
+ * The PHY Token is needed since the MDIO is shared between to MAC instances.
+ **/
+s32 ixgbe_write_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u16 phy_data)
+{
+ s32 status;
+ u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
+
+ DEBUGFUNC("ixgbe_write_phy_reg_x550a");
+
+ if (hw->mac.ops.acquire_swfw_sync(hw, mask) == IXGBE_SUCCESS) {
+ status = hw->phy.ops.write_reg_mdi(hw, reg_addr, device_type,
+ phy_data);
+ hw->mac.ops.release_swfw_sync(hw, mask);
+ } else {
+ status = IXGBE_ERR_SWFW_SYNC;
+ }
+
+ return status;
+}
+
/**
* ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt
* @hw: pointer to hardware structure
return IXGBE_SUCCESS;
}
+