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OpenCloudOS-Kernel/drivers/thirdparty/ixgbe/ixgbe_x550.c

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// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 1999 - 2020 Intel Corporation. */
#include "ixgbe_x550.h"
#include "ixgbe_x540.h"
#include "ixgbe_type.h"
#include "ixgbe_api.h"
#include "ixgbe_common.h"
#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
* @hw: pointer to hardware structure
*
* Initialize the function pointers and assign the MAC type for X550.
* Does not touch the hardware.
**/
s32 ixgbe_init_ops_X550(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
s32 ret_val;
DEBUGFUNC("ixgbe_init_ops_X550");
ret_val = ixgbe_init_ops_X540(hw);
mac->ops.dmac_config = ixgbe_dmac_config_X550;
mac->ops.dmac_config_tcs = ixgbe_dmac_config_tcs_X550;
mac->ops.dmac_update_tcs = ixgbe_dmac_update_tcs_X550;
mac->ops.setup_eee = NULL;
mac->ops.set_source_address_pruning =
ixgbe_set_source_address_pruning_X550;
mac->ops.set_ethertype_anti_spoofing =
ixgbe_set_ethertype_anti_spoofing_X550;
mac->ops.get_rtrup2tc = ixgbe_dcb_get_rtrup2tc_generic;
eeprom->ops.init_params = ixgbe_init_eeprom_params_X550;
eeprom->ops.calc_checksum = ixgbe_calc_eeprom_checksum_X550;
eeprom->ops.read = ixgbe_read_ee_hostif_X550;
eeprom->ops.read_buffer = ixgbe_read_ee_hostif_buffer_X550;
eeprom->ops.write = ixgbe_write_ee_hostif_X550;
eeprom->ops.write_buffer = ixgbe_write_ee_hostif_buffer_X550;
eeprom->ops.update_checksum = ixgbe_update_eeprom_checksum_X550;
eeprom->ops.validate_checksum = ixgbe_validate_eeprom_checksum_X550;
mac->ops.disable_mdd = ixgbe_disable_mdd_X550;
mac->ops.enable_mdd = ixgbe_enable_mdd_X550;
mac->ops.mdd_event = ixgbe_mdd_event_X550;
mac->ops.restore_mdd_vf = ixgbe_restore_mdd_vf_X550;
mac->ops.fw_recovery_mode = ixgbe_fw_recovery_mode_X550;
mac->ops.disable_rx = ixgbe_disable_rx_x550;
/* Manageability interface */
mac->ops.set_fw_drv_ver = ixgbe_set_fw_drv_ver_x550;
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_X_1G_T:
hw->mac.ops.led_on = NULL;
hw->mac.ops.led_off = NULL;
break;
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;
}
/**
* ixgbe_read_cs4227 - Read CS4227 register
* @hw: pointer to hardware structure
* @reg: register number to write
* @value: pointer to receive value read
*
* Returns status code
**/
STATIC s32 ixgbe_read_cs4227(struct ixgbe_hw *hw, u16 reg, u16 *value)
{
return hw->link.ops.read_link_unlocked(hw, hw->link.addr, reg, value);
}
/**
* ixgbe_write_cs4227 - Write CS4227 register
* @hw: pointer to hardware structure
* @reg: register number to write
* @value: value to write to register
*
* Returns status code
**/
STATIC s32 ixgbe_write_cs4227(struct ixgbe_hw *hw, u16 reg, u16 value)
{
return hw->link.ops.write_link_unlocked(hw, hw->link.addr, reg, value);
}
/**
* ixgbe_read_pe - Read register from port expander
* @hw: pointer to hardware structure
* @reg: register number to read
* @value: pointer to receive read value
*
* Returns status code
**/
STATIC s32 ixgbe_read_pe(struct ixgbe_hw *hw, u8 reg, u8 *value)
{
s32 status;
status = ixgbe_read_i2c_byte_unlocked(hw, reg, IXGBE_PE, value);
if (status != IXGBE_SUCCESS)
ERROR_REPORT2(IXGBE_ERROR_CAUTION,
"port expander access failed with %d\n", status);
return status;
}
/**
* ixgbe_write_pe - Write register to port expander
* @hw: pointer to hardware structure
* @reg: register number to write
* @value: value to write
*
* Returns status code
**/
STATIC s32 ixgbe_write_pe(struct ixgbe_hw *hw, u8 reg, u8 value)
{
s32 status;
status = ixgbe_write_i2c_byte_unlocked(hw, reg, IXGBE_PE, value);
if (status != IXGBE_SUCCESS)
ERROR_REPORT2(IXGBE_ERROR_CAUTION,
"port expander access failed with %d\n", status);
return status;
}
/**
* 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, &reg);
if (status != IXGBE_SUCCESS)
return status;
reg |= IXGBE_PE_BIT1;
status = ixgbe_write_pe(hw, IXGBE_PE_OUTPUT, reg);
if (status != IXGBE_SUCCESS)
return status;
status = ixgbe_read_pe(hw, IXGBE_PE_CONFIG, &reg);
if (status != IXGBE_SUCCESS)
return status;
reg &= ~IXGBE_PE_BIT1;
status = ixgbe_write_pe(hw, IXGBE_PE_CONFIG, reg);
if (status != IXGBE_SUCCESS)
return status;
status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, &reg);
if (status != IXGBE_SUCCESS)
return status;
reg &= ~IXGBE_PE_BIT1;
status = ixgbe_write_pe(hw, IXGBE_PE_OUTPUT, reg);
if (status != IXGBE_SUCCESS)
return status;
usec_delay(IXGBE_CS4227_RESET_HOLD);
status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, &reg);
if (status != IXGBE_SUCCESS)
return status;
reg |= IXGBE_PE_BIT1;
status = ixgbe_write_pe(hw, IXGBE_PE_OUTPUT, reg);
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;
}
/**
* ixgbe_check_cs4227 - Check CS4227 and reset as needed
* @hw: pointer to hardware structure
**/
STATIC void ixgbe_check_cs4227(struct ixgbe_hw *hw)
{
s32 status = IXGBE_SUCCESS;
u32 swfw_mask = hw->phy.phy_semaphore_mask;
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", status);
msec_delay(IXGBE_CS4227_CHECK_DELAY);
continue;
}
/* 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;
}
}
/* 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_setup_mux_ctl - Setup ESDP register for I2C mux control
* @hw: pointer to hardware structure
**/
STATIC void ixgbe_setup_mux_ctl(struct ixgbe_hw *hw)
{
u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
if (hw->bus.lan_id) {
esdp &= ~(IXGBE_ESDP_SDP1_NATIVE | IXGBE_ESDP_SDP1);
esdp |= IXGBE_ESDP_SDP1_DIR;
}
esdp &= ~(IXGBE_ESDP_SDP0_NATIVE | IXGBE_ESDP_SDP0_DIR);
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
IXGBE_WRITE_FLUSH(hw);
}
/**
* ixgbe_identify_phy_x550em - Get PHY type based on device id
* @hw: pointer to hardware structure
*
* Returns error code
*/
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_sfp_module_X550em(hw);
case IXGBE_DEV_ID_X550EM_X_SFP:
/* set up for CS4227 usage */
ixgbe_setup_mux_ctl(hw);
ixgbe_check_cs4227(hw);
/* Fallthrough */
case IXGBE_DEV_ID_X550EM_A_SFP_N:
return ixgbe_identify_sfp_module_X550em(hw);
break;
case IXGBE_DEV_ID_X550EM_X_KX4:
hw->phy.type = ixgbe_phy_x550em_kx4;
break;
case IXGBE_DEV_ID_X550EM_X_XFI:
hw->phy.type = ixgbe_phy_x550em_xfi;
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_X_10G_T:
return ixgbe_identify_phy_generic(hw);
case IXGBE_DEV_ID_X550EM_X_1G_T:
hw->phy.type = ixgbe_phy_ext_1g_t;
break;
case IXGBE_DEV_ID_X550EM_A_1G_T:
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
hw->phy.type = ixgbe_phy_fw;
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;
default:
break;
}
return IXGBE_SUCCESS;
}
/**
* ixgbe_fw_phy_activity - Perform an activity on a PHY
* @hw: pointer to hardware structure
* @activity: activity to perform
* @data: Pointer to 4 32-bit words of data
*/
s32 ixgbe_fw_phy_activity(struct ixgbe_hw *hw, u16 activity,
u32 (*data)[FW_PHY_ACT_DATA_COUNT])
{
union {
struct ixgbe_hic_phy_activity_req cmd;
struct ixgbe_hic_phy_activity_resp rsp;
} hic;
u16 retries = FW_PHY_ACT_RETRIES;
s32 rc;
u16 i;
do {
memset(&hic, 0, sizeof(hic));
hic.cmd.hdr.cmd = FW_PHY_ACT_REQ_CMD;
hic.cmd.hdr.buf_len = FW_PHY_ACT_REQ_LEN;
hic.cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
hic.cmd.port_number = hw->bus.lan_id;
hic.cmd.activity_id = IXGBE_CPU_TO_LE16(activity);
for (i = 0; i < FW_PHY_ACT_DATA_COUNT; ++i)
hic.cmd.data[i] = IXGBE_CPU_TO_BE32((*data)[i]);
rc = ixgbe_host_interface_command(hw, (u32 *)&hic.cmd,
sizeof(hic.cmd),
IXGBE_HI_COMMAND_TIMEOUT,
true);
if (rc != IXGBE_SUCCESS)
return rc;
if (hic.rsp.hdr.cmd_or_resp.ret_status ==
FW_CEM_RESP_STATUS_SUCCESS) {
for (i = 0; i < FW_PHY_ACT_DATA_COUNT; ++i)
(*data)[i] = IXGBE_BE32_TO_CPU(hic.rsp.data[i]);
return IXGBE_SUCCESS;
}
usec_delay(20);
--retries;
} while (retries > 0);
return IXGBE_ERR_HOST_INTERFACE_COMMAND;
}
static const struct {
u16 fw_speed;
ixgbe_link_speed phy_speed;
} ixgbe_fw_map[] = {
{ FW_PHY_ACT_LINK_SPEED_10, IXGBE_LINK_SPEED_10_FULL },
{ FW_PHY_ACT_LINK_SPEED_100, IXGBE_LINK_SPEED_100_FULL },
{ FW_PHY_ACT_LINK_SPEED_1G, IXGBE_LINK_SPEED_1GB_FULL },
{ FW_PHY_ACT_LINK_SPEED_2_5G, IXGBE_LINK_SPEED_2_5GB_FULL },
{ FW_PHY_ACT_LINK_SPEED_5G, IXGBE_LINK_SPEED_5GB_FULL },
{ FW_PHY_ACT_LINK_SPEED_10G, IXGBE_LINK_SPEED_10GB_FULL },
};
/**
* ixgbe_get_phy_id_fw - Get the phy ID via firmware command
* @hw: pointer to hardware structure
*
* Returns error code
*/
static s32 ixgbe_get_phy_id_fw(struct ixgbe_hw *hw)
{
u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
u16 phy_speeds;
u16 phy_id_lo;
s32 rc;
u16 i;
rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_PHY_INFO, &info);
if (rc)
return rc;
hw->phy.speeds_supported = 0;
phy_speeds = info[0] & FW_PHY_INFO_SPEED_MASK;
for (i = 0; i < sizeof(ixgbe_fw_map) / sizeof(ixgbe_fw_map[0]); ++i) {
if (phy_speeds & ixgbe_fw_map[i].fw_speed)
hw->phy.speeds_supported |= ixgbe_fw_map[i].phy_speed;
}
if (!hw->phy.autoneg_advertised)
hw->phy.autoneg_advertised = hw->phy.speeds_supported;
hw->phy.id = info[0] & FW_PHY_INFO_ID_HI_MASK;
phy_id_lo = info[1] & FW_PHY_INFO_ID_LO_MASK;
hw->phy.id |= phy_id_lo & IXGBE_PHY_REVISION_MASK;
hw->phy.revision = phy_id_lo & ~IXGBE_PHY_REVISION_MASK;
if (!hw->phy.id || hw->phy.id == IXGBE_PHY_REVISION_MASK)
return IXGBE_ERR_PHY_ADDR_INVALID;
return IXGBE_SUCCESS;
}
/**
* ixgbe_identify_phy_fw - Get PHY type based on firmware command
* @hw: pointer to hardware structure
*
* Returns error code
*/
static s32 ixgbe_identify_phy_fw(struct ixgbe_hw *hw)
{
if (hw->bus.lan_id)
hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY1_SM;
else
hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY0_SM;
hw->phy.type = ixgbe_phy_fw;
hw->phy.ops.read_reg = NULL;
hw->phy.ops.write_reg = NULL;
return ixgbe_get_phy_id_fw(hw);
}
/**
* ixgbe_shutdown_fw_phy - Shutdown a firmware-controlled PHY
* @hw: pointer to hardware structure
*
* Returns error code
*/
s32 ixgbe_shutdown_fw_phy(struct ixgbe_hw *hw)
{
u32 setup[FW_PHY_ACT_DATA_COUNT] = { 0 };
setup[0] = FW_PHY_ACT_FORCE_LINK_DOWN_OFF;
return ixgbe_fw_phy_activity(hw, FW_PHY_ACT_FORCE_LINK_DOWN, &setup);
}
STATIC s32 ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 *phy_data)
{
UNREFERENCED_4PARAMETER(*hw, reg_addr, device_type, *phy_data);
return IXGBE_NOT_IMPLEMENTED;
}
STATIC s32 ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 phy_data)
{
UNREFERENCED_4PARAMETER(*hw, reg_addr, device_type, phy_data);
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
*
* Initialize the function pointers and for MAC type X550EM.
* Does not touch the hardware.
**/
s32 ixgbe_init_ops_X550EM(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
struct ixgbe_phy_info *phy = &hw->phy;
s32 ret_val;
DEBUGFUNC("ixgbe_init_ops_X550EM");
/* Similar to X550 so start there. */
ret_val = ixgbe_init_ops_X550(hw);
/* Since this function eventually calls
* ixgbe_init_ops_540 by design, we are setting
* the pointers to NULL explicitly here to overwrite
* the values being set in the x540 function.
*/
/* Thermal sensor not supported in x550EM */
mac->ops.get_thermal_sensor_data = NULL;
mac->ops.init_thermal_sensor_thresh = NULL;
mac->thermal_sensor_enabled = false;
/* FCOE not supported in x550EM */
mac->ops.get_san_mac_addr = NULL;
mac->ops.set_san_mac_addr = NULL;
mac->ops.get_wwn_prefix = NULL;
mac->ops.get_fcoe_boot_status = NULL;
/* IPsec not supported in x550EM */
mac->ops.disable_sec_rx_path = NULL;
mac->ops.enable_sec_rx_path = NULL;
/* AUTOC register is not present in x550EM. */
mac->ops.prot_autoc_read = NULL;
mac->ops.prot_autoc_write = NULL;
/* X550EM bus type is internal*/
hw->bus.type = ixgbe_bus_type_internal;
mac->ops.get_bus_info = ixgbe_get_bus_info_X550em;
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;
mac->ops.reset_hw = ixgbe_reset_hw_X550em;
mac->ops.get_supported_physical_layer =
ixgbe_get_supported_physical_layer_X550em;
if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper)
mac->ops.setup_fc = ixgbe_setup_fc_generic;
else
mac->ops.setup_fc = ixgbe_setup_fc_X550em;
/* PHY */
phy->ops.init = ixgbe_init_phy_ops_X550em;
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_A_1G_T:
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
mac->ops.setup_fc = NULL;
phy->ops.identify = ixgbe_identify_phy_fw;
phy->ops.set_phy_power = NULL;
phy->ops.get_firmware_version = NULL;
break;
case IXGBE_DEV_ID_X550EM_X_1G_T:
mac->ops.setup_fc = NULL;
phy->ops.identify = ixgbe_identify_phy_x550em;
phy->ops.set_phy_power = NULL;
break;
default:
phy->ops.identify = ixgbe_identify_phy_x550em;
}
if (mac->ops.get_media_type(hw) != ixgbe_media_type_copper)
phy->ops.set_phy_power = NULL;
/* EEPROM */
eeprom->ops.init_params = ixgbe_init_eeprom_params_X540;
eeprom->ops.read = ixgbe_read_ee_hostif_X550;
eeprom->ops.read_buffer = ixgbe_read_ee_hostif_buffer_X550;
eeprom->ops.write = ixgbe_write_ee_hostif_X550;
eeprom->ops.write_buffer = ixgbe_write_ee_hostif_buffer_X550;
eeprom->ops.update_checksum = ixgbe_update_eeprom_checksum_X550;
eeprom->ops.validate_checksum = ixgbe_validate_eeprom_checksum_X550;
eeprom->ops.calc_checksum = ixgbe_calc_eeprom_checksum_X550;
return ret_val;
}
/**
* ixgbe_setup_fw_link - Setup firmware-controlled PHYs
* @hw: pointer to hardware structure
*/
static s32 ixgbe_setup_fw_link(struct ixgbe_hw *hw)
{
u32 setup[FW_PHY_ACT_DATA_COUNT] = { 0 };
s32 rc;
u16 i;
if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw))
return 0;
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;
}
switch (hw->fc.requested_mode) {
case ixgbe_fc_full:
setup[0] |= FW_PHY_ACT_SETUP_LINK_PAUSE_RXTX <<
FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT;
break;
case ixgbe_fc_rx_pause:
setup[0] |= FW_PHY_ACT_SETUP_LINK_PAUSE_RX <<
FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT;
break;
case ixgbe_fc_tx_pause:
setup[0] |= FW_PHY_ACT_SETUP_LINK_PAUSE_TX <<
FW_PHY_ACT_SETUP_LINK_PAUSE_SHIFT;
break;
default:
break;
}
for (i = 0; i < sizeof(ixgbe_fw_map) / sizeof(ixgbe_fw_map[0]); ++i) {
if (hw->phy.autoneg_advertised & ixgbe_fw_map[i].phy_speed)
setup[0] |= (u32)(ixgbe_fw_map[i].fw_speed);
}
setup[0] |= FW_PHY_ACT_SETUP_LINK_HP | FW_PHY_ACT_SETUP_LINK_AN;
if (hw->phy.eee_speeds_advertised)
setup[0] |= FW_PHY_ACT_SETUP_LINK_EEE;
rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_SETUP_LINK, &setup);
if (rc)
return rc;
if (setup[0] == FW_PHY_ACT_SETUP_LINK_RSP_DOWN)
return IXGBE_ERR_OVERTEMP;
return IXGBE_SUCCESS;
}
/**
* ixgbe_fc_autoneg_fw _ Set up flow control for FW-controlled PHYs
* @hw: pointer to hardware structure
*
* Called at init time to set up flow control.
*/
static s32 ixgbe_fc_autoneg_fw(struct ixgbe_hw *hw)
{
if (hw->fc.requested_mode == ixgbe_fc_default)
hw->fc.requested_mode = ixgbe_fc_full;
return ixgbe_setup_fw_link(hw);
}
/**
* ixgbe_setup_eee_fw - 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.
* This function controls EEE for firmware-based PHY implementations.
*/
static s32 ixgbe_setup_eee_fw(struct ixgbe_hw *hw, bool enable_eee)
{
if (!!hw->phy.eee_speeds_advertised == enable_eee)
return IXGBE_SUCCESS;
if (enable_eee)
hw->phy.eee_speeds_advertised = hw->phy.eee_speeds_supported;
else
hw->phy.eee_speeds_advertised = 0;
return hw->phy.ops.setup_link(hw);
}
/**
* 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 = NULL;
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;
}
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_A_1G_T:
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
mac->ops.fc_autoneg = ixgbe_fc_autoneg_sgmii_x550em_a;
mac->ops.setup_fc = ixgbe_fc_autoneg_fw;
mac->ops.setup_eee = ixgbe_setup_eee_fw;
hw->phy.eee_speeds_supported = IXGBE_LINK_SPEED_100_FULL |
IXGBE_LINK_SPEED_1GB_FULL;
hw->phy.eee_speeds_advertised = hw->phy.eee_speeds_supported;
break;
default:
break;
}
return ret_val;
}
/**
* ixgbe_init_ops_X550EM_x - Inits func ptrs and MAC type
* @hw: pointer to hardware structure
*
* Initialize the function pointers and for MAC type X550EM_x.
* Does not touch the hardware.
**/
s32 ixgbe_init_ops_X550EM_x(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
struct ixgbe_link_info *link = &hw->link;
s32 ret_val;
DEBUGFUNC("ixgbe_init_ops_X550EM_x");
/* Start with generic X550EM init */
ret_val = ixgbe_init_ops_X550EM(hw);
mac->ops.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550;
mac->ops.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550;
mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X550em;
mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X550em;
link->ops.read_link = ixgbe_read_i2c_combined_generic;
link->ops.read_link_unlocked = ixgbe_read_i2c_combined_generic_unlocked;
link->ops.write_link = ixgbe_write_i2c_combined_generic;
link->ops.write_link_unlocked =
ixgbe_write_i2c_combined_generic_unlocked;
link->addr = IXGBE_CS4227;
if (hw->device_id == IXGBE_DEV_ID_X550EM_X_1G_T) {
mac->ops.setup_fc = NULL;
mac->ops.setup_eee = NULL;
mac->ops.init_led_link_act = NULL;
}
return ret_val;
}
/**
* ixgbe_dmac_config_X550
* @hw: pointer to hardware structure
*
* Configure DMA coalescing. If enabling dmac, dmac is activated.
* When disabling dmac, dmac enable dmac bit is cleared.
**/
s32 ixgbe_dmac_config_X550(struct ixgbe_hw *hw)
{
u32 reg, high_pri_tc;
DEBUGFUNC("ixgbe_dmac_config_X550");
/* Disable DMA coalescing before configuring */
reg = IXGBE_READ_REG(hw, IXGBE_DMACR);
reg &= ~IXGBE_DMACR_DMAC_EN;
IXGBE_WRITE_REG(hw, IXGBE_DMACR, reg);
/* Disable DMA Coalescing if the watchdog timer is 0 */
if (!hw->mac.dmac_config.watchdog_timer)
goto out;
ixgbe_dmac_config_tcs_X550(hw);
/* Configure DMA Coalescing Control Register */
reg = IXGBE_READ_REG(hw, IXGBE_DMACR);
/* Set the watchdog timer in units of 40.96 usec */
reg &= ~IXGBE_DMACR_DMACWT_MASK;
reg |= (hw->mac.dmac_config.watchdog_timer * 100) / 4096;
reg &= ~IXGBE_DMACR_HIGH_PRI_TC_MASK;
/* If fcoe is enabled, set high priority traffic class */
if (hw->mac.dmac_config.fcoe_en) {
high_pri_tc = 1 << hw->mac.dmac_config.fcoe_tc;
reg |= ((high_pri_tc << IXGBE_DMACR_HIGH_PRI_TC_SHIFT) &
IXGBE_DMACR_HIGH_PRI_TC_MASK);
}
reg |= IXGBE_DMACR_EN_MNG_IND;
/* Enable DMA coalescing after configuration */
reg |= IXGBE_DMACR_DMAC_EN;
IXGBE_WRITE_REG(hw, IXGBE_DMACR, reg);
out:
return IXGBE_SUCCESS;
}
/**
* ixgbe_dmac_config_tcs_X550
* @hw: pointer to hardware structure
*
* Configure DMA coalescing threshold per TC. The dmac enable bit must
* be cleared before configuring.
**/
s32 ixgbe_dmac_config_tcs_X550(struct ixgbe_hw *hw)
{
u32 tc, reg, pb_headroom, rx_pb_size, maxframe_size_kb;
DEBUGFUNC("ixgbe_dmac_config_tcs_X550");
/* 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;
case IXGBE_LINK_SPEED_1GB_FULL:
pb_headroom = IXGBE_DMACRXT_1G;
break;
default:
pb_headroom = IXGBE_DMACRXT_10G;
break;
}
maxframe_size_kb = ((IXGBE_READ_REG(hw, IXGBE_MAXFRS) >>
IXGBE_MHADD_MFS_SHIFT) / 1024);
/* Set the per Rx packet buffer receive threshold */
for (tc = 0; tc < IXGBE_DCB_MAX_TRAFFIC_CLASS; tc++) {
reg = IXGBE_READ_REG(hw, IXGBE_DMCTH(tc));
reg &= ~IXGBE_DMCTH_DMACRXT_MASK;
if (tc < hw->mac.dmac_config.num_tcs) {
/* Get Rx PB size */
rx_pb_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(tc));
rx_pb_size = (rx_pb_size & IXGBE_RXPBSIZE_MASK) >>
IXGBE_RXPBSIZE_SHIFT;
/* Calculate receive buffer threshold in kilobytes */
if (rx_pb_size > pb_headroom)
rx_pb_size = rx_pb_size - pb_headroom;
else
rx_pb_size = 0;
/* Minimum of MFS shall be set for DMCTH */
reg |= (rx_pb_size > maxframe_size_kb) ?
rx_pb_size : maxframe_size_kb;
}
IXGBE_WRITE_REG(hw, IXGBE_DMCTH(tc), reg);
}
return IXGBE_SUCCESS;
}
/**
* ixgbe_dmac_update_tcs_X550
* @hw: pointer to hardware structure
*
* Disables dmac, updates per TC settings, and then enables dmac.
**/
s32 ixgbe_dmac_update_tcs_X550(struct ixgbe_hw *hw)
{
u32 reg;
DEBUGFUNC("ixgbe_dmac_update_tcs_X550");
/* Disable DMA coalescing before configuring */
reg = IXGBE_READ_REG(hw, IXGBE_DMACR);
reg &= ~IXGBE_DMACR_DMAC_EN;
IXGBE_WRITE_REG(hw, IXGBE_DMACR, reg);
ixgbe_dmac_config_tcs_X550(hw);
/* Enable DMA coalescing after configuration */
reg = IXGBE_READ_REG(hw, IXGBE_DMACR);
reg |= IXGBE_DMACR_DMAC_EN;
IXGBE_WRITE_REG(hw, IXGBE_DMACR, reg);
return IXGBE_SUCCESS;
}
/**
* ixgbe_init_eeprom_params_X550 - Initialize EEPROM params
* @hw: pointer to hardware structure
*
* Initializes the EEPROM parameters ixgbe_eeprom_info within the
* ixgbe_hw struct in order to set up EEPROM access.
**/
s32 ixgbe_init_eeprom_params_X550(struct ixgbe_hw *hw)
{
struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
u32 eec;
u16 eeprom_size;
DEBUGFUNC("ixgbe_init_eeprom_params_X550");
if (eeprom->type == ixgbe_eeprom_uninitialized) {
eeprom->semaphore_delay = 10;
eeprom->type = ixgbe_flash;
eec = IXGBE_READ_REG(hw, IXGBE_EEC);
eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >>
IXGBE_EEC_SIZE_SHIFT);
eeprom->word_size = 1 << (eeprom_size +
IXGBE_EEPROM_WORD_SIZE_SHIFT);
hw_dbg(hw, "Eeprom params: type = %d, size = %d\n",
eeprom->type, eeprom->word_size);
}
return IXGBE_SUCCESS;
}
/**
* ixgbe_set_source_address_pruning_X550 - Enable/Disbale source address pruning
* @hw: pointer to hardware structure
* @enable: enable or disable source address pruning
* @pool: Rx pool to set source address pruning for
**/
void ixgbe_set_source_address_pruning_X550(struct ixgbe_hw *hw, bool enable,
unsigned int pool)
{
u64 pfflp;
/* max rx pool is 63 */
if (pool > 63)
return;
pfflp = (u64)IXGBE_READ_REG(hw, IXGBE_PFFLPL);
pfflp |= (u64)IXGBE_READ_REG(hw, IXGBE_PFFLPH) << 32;
if (enable)
pfflp |= (1ULL << pool);
else
pfflp &= ~(1ULL << pool);
IXGBE_WRITE_REG(hw, IXGBE_PFFLPL, (u32)pfflp);
IXGBE_WRITE_REG(hw, IXGBE_PFFLPH, (u32)(pfflp >> 32));
}
/**
* ixgbe_set_ethertype_anti_spoofing_X550 - Configure Ethertype anti-spoofing
* @hw: pointer to hardware structure
* @enable: enable or disable switch for Ethertype anti-spoofing
* @vf: Virtual Function pool - VF Pool to set for Ethertype anti-spoofing
*
**/
void ixgbe_set_ethertype_anti_spoofing_X550(struct ixgbe_hw *hw,
bool enable, int vf)
{
int vf_target_reg = vf >> 3;
int vf_target_shift = vf % 8 + IXGBE_SPOOF_ETHERTYPEAS_SHIFT;
u32 pfvfspoof;
DEBUGFUNC("ixgbe_set_ethertype_anti_spoofing_X550");
pfvfspoof = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
if (enable)
pfvfspoof |= (1 << vf_target_shift);
else
pfvfspoof &= ~(1 << vf_target_shift);
IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), pfvfspoof);
}
/**
* ixgbe_iosf_wait - Wait for IOSF command completion
* @hw: pointer to hardware structure
* @ctrl: pointer to location to receive final IOSF control value
*
* Returns failing status on timeout
*
* Note: ctrl can be NULL if the IOSF control register value is not needed
**/
STATIC s32 ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl)
{
u32 i, command = 0;
/* Check every 10 usec to see if the address cycle completed.
* The SB IOSF BUSY bit will clear when the operation is
* complete
*/
for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) {
command = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL);
if ((command & IXGBE_SB_IOSF_CTRL_BUSY) == 0)
break;
usec_delay(10);
}
if (ctrl)
*ctrl = command;
if (i == IXGBE_MDIO_COMMAND_TIMEOUT) {
ERROR_REPORT1(IXGBE_ERROR_POLLING, "Wait timed out\n");
return IXGBE_ERR_PHY;
}
return IXGBE_SUCCESS;
}
/**
* 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
* @data: Data to write to the register
**/
s32 ixgbe_write_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u32 data)
{
u32 gssr = IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_PHY0_SM;
u32 command, error;
s32 ret;
ret = ixgbe_acquire_swfw_semaphore(hw, gssr);
if (ret != IXGBE_SUCCESS)
return ret;
ret = ixgbe_iosf_wait(hw, NULL);
if (ret != IXGBE_SUCCESS)
goto out;
command = ((reg_addr << IXGBE_SB_IOSF_CTRL_ADDR_SHIFT) |
(device_type << IXGBE_SB_IOSF_CTRL_TARGET_SELECT_SHIFT));
/* Write IOSF control register */
IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL, command);
/* Write IOSF data register */
IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_DATA, data);
ret = ixgbe_iosf_wait(hw, &command);
if ((command & IXGBE_SB_IOSF_CTRL_RESP_STAT_MASK) != 0) {
error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
ERROR_REPORT2(IXGBE_ERROR_POLLING,
"Failed to write, error %x\n", error);
ret = IXGBE_ERR_PHY;
}
out:
ixgbe_release_swfw_semaphore(hw, gssr);
return ret;
}
/**
* 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
* @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)
{
u32 gssr = IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_PHY0_SM;
u32 command, error;
s32 ret;
ret = ixgbe_acquire_swfw_semaphore(hw, gssr);
if (ret != IXGBE_SUCCESS)
return ret;
ret = ixgbe_iosf_wait(hw, NULL);
if (ret != IXGBE_SUCCESS)
goto out;
command = ((reg_addr << IXGBE_SB_IOSF_CTRL_ADDR_SHIFT) |
(device_type << IXGBE_SB_IOSF_CTRL_TARGET_SELECT_SHIFT));
/* Write IOSF control register */
IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL, command);
ret = ixgbe_iosf_wait(hw, &command);
if ((command & IXGBE_SB_IOSF_CTRL_RESP_STAT_MASK) != 0) {
error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
ERROR_REPORT2(IXGBE_ERROR_POLLING,
"Failed to read, error %x\n", error);
ret = IXGBE_ERR_PHY;
}
if (ret == IXGBE_SUCCESS)
*data = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_DATA);
out:
ixgbe_release_swfw_semaphore(hw, gssr);
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) {
hw_dbg(hw, "Issuing host interface command failed with Status = %d\n",
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) {
hw_dbg(hw, "Host interface command returned 0x%08x , returning IXGBE_ERR_FW_RESP_INVALID\n",
token_cmd.hdr.cmd_or_resp.ret_status);
return IXGBE_ERR_FW_RESP_INVALID;
}
hw_dbg(hw, "Returning IXGBE_ERR_TOKEN_RETRY\n");
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;
hw_dbg(hw, "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
*
* Disable malicious driver detection
**/
void ixgbe_disable_mdd_X550(struct ixgbe_hw *hw)
{
u32 reg;
DEBUGFUNC("ixgbe_disable_mdd_X550");
/* Disable MDD for TX DMA and interrupt */
reg = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
reg &= ~(IXGBE_DMATXCTL_MDP_EN | IXGBE_DMATXCTL_MBINTEN);
IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg);
/* Disable MDD for RX and interrupt */
reg = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
reg &= ~(IXGBE_RDRXCTL_MDP_EN | IXGBE_RDRXCTL_MBINTEN);
IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, reg);
}
/**
* ixgbe_enable_mdd_X550
* @hw: pointer to hardware structure
*
* Enable malicious driver detection
**/
void ixgbe_enable_mdd_X550(struct ixgbe_hw *hw)
{
u32 reg;
DEBUGFUNC("ixgbe_enable_mdd_X550");
/* Enable MDD for TX DMA and interrupt */
reg = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
reg |= (IXGBE_DMATXCTL_MDP_EN | IXGBE_DMATXCTL_MBINTEN);
IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg);
/* Enable MDD for RX and interrupt */
reg = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
reg |= (IXGBE_RDRXCTL_MDP_EN | IXGBE_RDRXCTL_MBINTEN);
IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, reg);
}
/**
* ixgbe_restore_mdd_vf_X550
* @hw: pointer to hardware structure
* @vf: vf index
*
* Restore VF that was disabled during malicious driver detection event
**/
void ixgbe_restore_mdd_vf_X550(struct ixgbe_hw *hw, u32 vf)
{
u32 idx, reg, num_qs, start_q, bitmask;
DEBUGFUNC("ixgbe_restore_mdd_vf_X550");
/* Map VF to queues */
reg = IXGBE_READ_REG(hw, IXGBE_MRQC);
switch (reg & IXGBE_MRQC_MRQE_MASK) {
case IXGBE_MRQC_VMDQRT8TCEN:
num_qs = 8; /* 16 VFs / pools */
bitmask = 0x000000FF;
break;
case IXGBE_MRQC_VMDQRSS32EN:
case IXGBE_MRQC_VMDQRT4TCEN:
num_qs = 4; /* 32 VFs / pools */
bitmask = 0x0000000F;
break;
default: /* 64 VFs / pools */
num_qs = 2;
bitmask = 0x00000003;
break;
}
start_q = vf * num_qs;
/* Release vf's queues by clearing WQBR_TX and WQBR_RX (RW1C) */
idx = start_q / 32;
reg = 0;
reg |= (bitmask << (start_q % 32));
IXGBE_WRITE_REG(hw, IXGBE_WQBR_TX(idx), reg);
IXGBE_WRITE_REG(hw, IXGBE_WQBR_RX(idx), reg);
}
/**
* ixgbe_mdd_event_X550
* @hw: pointer to hardware structure
* @vf_bitmap: vf bitmap of malicious vfs
*
* Handle malicious driver detection event.
**/
void ixgbe_mdd_event_X550(struct ixgbe_hw *hw, u32 *vf_bitmap)
{
u32 wqbr;
u32 i, j, reg, q, shift, vf, idx;
DEBUGFUNC("ixgbe_mdd_event_X550");
/* figure out pool size for mapping to vf's */
reg = IXGBE_READ_REG(hw, IXGBE_MRQC);
switch (reg & IXGBE_MRQC_MRQE_MASK) {
case IXGBE_MRQC_VMDQRT8TCEN:
shift = 3; /* 16 VFs / pools */
break;
case IXGBE_MRQC_VMDQRSS32EN:
case IXGBE_MRQC_VMDQRT4TCEN:
shift = 2; /* 32 VFs / pools */
break;
default:
shift = 1; /* 64 VFs / pools */
break;
}
/* Read WQBR_TX and WQBR_RX and check for malicious queues */
for (i = 0; i < 4; i++) {
wqbr = IXGBE_READ_REG(hw, IXGBE_WQBR_TX(i));
wqbr |= IXGBE_READ_REG(hw, IXGBE_WQBR_RX(i));
if (!wqbr)
continue;
/* Get malicious queue */
for (j = 0; j < 32 && wqbr; j++) {
if (!(wqbr & (1 << j)))
continue;
/* Get queue from bitmask */
q = j + (i * 32);
/* Map queue to vf */
vf = (q >> shift);
/* Set vf bit in vf_bitmap */
idx = vf / 32;
vf_bitmap[idx] |= (1 << (vf % 32));
wqbr &= ~(1 << j);
}
}
}
/**
* ixgbe_get_media_type_X550em - Get media type
* @hw: pointer to hardware structure
*
* Returns the media type (fiber, copper, backplane)
*/
enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw)
{
enum ixgbe_media_type media_type;
DEBUGFUNC("ixgbe_get_media_type_X550em");
/* Detect if there is a copper PHY attached. */
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_X_KR:
case IXGBE_DEV_ID_X550EM_X_KX4:
case IXGBE_DEV_ID_X550EM_X_XFI:
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:
media_type = ixgbe_media_type_unknown;
break;
}
return media_type;
}
/**
* ixgbe_supported_sfp_modules_X550em - Check if SFP module type is supported
* @hw: pointer to hardware structure
* @linear: true if SFP module is linear
*/
STATIC s32 ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear)
{
DEBUGFUNC("ixgbe_supported_sfp_modules_X550em");
switch (hw->phy.sfp_type) {
case ixgbe_sfp_type_not_present:
return IXGBE_ERR_SFP_NOT_PRESENT;
case ixgbe_sfp_type_da_cu_core0:
case ixgbe_sfp_type_da_cu_core1:
*linear = true;
break;
case ixgbe_sfp_type_srlr_core0:
case ixgbe_sfp_type_srlr_core1:
case ixgbe_sfp_type_da_act_lmt_core0:
case ixgbe_sfp_type_da_act_lmt_core1:
case ixgbe_sfp_type_1g_sx_core0:
case ixgbe_sfp_type_1g_sx_core1:
case ixgbe_sfp_type_1g_lx_core0:
case ixgbe_sfp_type_1g_lx_core1:
*linear = false;
break;
case ixgbe_sfp_type_unknown:
case ixgbe_sfp_type_1g_cu_core0:
case ixgbe_sfp_type_1g_cu_core1:
default:
return IXGBE_ERR_SFP_NOT_SUPPORTED;
}
return IXGBE_SUCCESS;
}
/**
* ixgbe_identify_sfp_module_X550em - Identifies SFP modules
* @hw: pointer to hardware structure
*
* Searches for and identifies the SFP module and assigns appropriate PHY type.
**/
s32 ixgbe_identify_sfp_module_X550em(struct ixgbe_hw *hw)
{
s32 status;
bool linear;
DEBUGFUNC("ixgbe_identify_sfp_module_X550em");
status = ixgbe_identify_module_generic(hw);
if (status != IXGBE_SUCCESS)
return status;
/* Check if SFP module is supported */
status = ixgbe_supported_sfp_modules_X550em(hw, &linear);
return status;
}
/**
* ixgbe_setup_sfp_modules_X550em - Setup MAC link ops
* @hw: pointer to hardware structure
*/
s32 ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw)
{
s32 status;
bool linear;
DEBUGFUNC("ixgbe_setup_sfp_modules_X550em");
/* Check if SFP module is supported */
status = ixgbe_supported_sfp_modules_X550em(hw, &linear);
if (status != IXGBE_SUCCESS)
return status;
ixgbe_init_mac_link_ops_X550em(hw);
hw->phy.ops.reset = NULL;
return IXGBE_SUCCESS;
}
/**
* ixgbe_restart_an_internal_phy_x550em - restart autonegotiation for the
* internal PHY
* @hw: pointer to hardware structure
**/
STATIC s32 ixgbe_restart_an_internal_phy_x550em(struct ixgbe_hw *hw)
{
s32 status;
u32 link_ctrl;
/* 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) {
hw_dbg(hw, "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);
if (hw->mac.type == ixgbe_mac_X550EM_a) {
u32 flx_mask_st20;
/* Indicate to FW that AN restart has been asserted */
status = hw->mac.ops.read_iosf_sb_reg(hw,
IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, &flx_mask_st20);
if (status) {
hw_dbg(hw, "Auto-negotiation did not complete\n");
return status;
}
flx_mask_st20 |= IXGBE_KRM_PMD_FLX_MASK_ST20_FW_AN_RESTART;
status = hw->mac.ops.write_iosf_sb_reg(hw,
IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, flx_mask_st20);
}
return status;
}
/**
* ixgbe_setup_sgmii - Set up link for sgmii
* @hw: pointer to hardware structure
* @speed: new link speed
* @autoneg_wait: true when waiting for completion is needed
*/
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, flx_val;
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;
rc = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, &flx_val);
if (rc)
return rc;
flx_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_1G;
flx_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
rc = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, flx_val);
if (rc)
return rc;
rc = ixgbe_restart_an_internal_phy_x550em(hw);
if (rc)
return rc;
return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait);
}
/**
* ixgbe_setup_sgmii_fw - Set up link for internal PHY SGMII auto-negotiation
* @hw: pointer to hardware structure
* @speed: new link speed
* @autoneg_wait: true when waiting for completion is needed
*/
STATIC s32 ixgbe_setup_sgmii_fw(struct ixgbe_hw *hw, ixgbe_link_speed speed,
bool autoneg_wait)
{
struct ixgbe_mac_info *mac = &hw->mac;
u32 lval, sval, flx_val;
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;
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_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, &flx_val);
if (rc)
return rc;
flx_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_AN;
flx_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
flx_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
rc = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, flx_val);
if (rc)
return rc;
rc = ixgbe_restart_an_internal_phy_x550em(hw);
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
*/
void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
DEBUGFUNC("ixgbe_init_mac_link_ops_X550em");
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.disable_tx_laser = NULL;
mac->ops.enable_tx_laser = NULL;
mac->ops.flap_tx_laser = NULL;
mac->ops.setup_link = ixgbe_setup_mac_link_multispeed_fiber;
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:
if (hw->device_id == IXGBE_DEV_ID_X550EM_X_1G_T)
break;
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_fw;
mac->ops.check_link =
ixgbe_check_mac_link_generic;
} 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;
}
}
/**
* ixgbe_get_link_capabilities_x550em - Determines link capabilities
* @hw: pointer to hardware structure
* @speed: pointer to link speed
* @autoneg: true when autoneg or autotry is enabled
*/
s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *autoneg)
{
DEBUGFUNC("ixgbe_get_link_capabilities_X550em");
if (hw->phy.type == ixgbe_phy_fw) {
*autoneg = true;
*speed = hw->phy.speeds_supported;
return 0;
}
/* SFP */
if (hw->phy.media_type == ixgbe_media_type_fiber) {
/* CS4227 SFP must not enable auto-negotiation */
*autoneg = false;
/* Check if 1G SFP module. */
if (hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core0 ||
hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core1
|| hw->phy.sfp_type == ixgbe_sfp_type_1g_lx_core0 ||
hw->phy.sfp_type == ixgbe_sfp_type_1g_lx_core1) {
*speed = IXGBE_LINK_SPEED_1GB_FULL;
return IXGBE_SUCCESS;
}
/* Link capabilities are based on SFP */
if (hw->phy.multispeed_fiber)
*speed = IXGBE_LINK_SPEED_10GB_FULL |
IXGBE_LINK_SPEED_1GB_FULL;
else
*speed = IXGBE_LINK_SPEED_10GB_FULL;
} else {
*autoneg = true;
switch (hw->phy.type) {
case ixgbe_phy_x550em_xfi:
*speed = IXGBE_LINK_SPEED_1GB_FULL |
IXGBE_LINK_SPEED_10GB_FULL;
*autoneg = false;
break;
case ixgbe_phy_ext_1g_t:
case ixgbe_phy_sgmii:
*speed = IXGBE_LINK_SPEED_1GB_FULL;
break;
case ixgbe_phy_x550em_kr:
if (hw->mac.type == ixgbe_mac_X550EM_a) {
/* check different backplane modes */
if (hw->phy.nw_mng_if_sel &
IXGBE_NW_MNG_IF_SEL_PHY_SPEED_2_5G) {
*speed = IXGBE_LINK_SPEED_2_5GB_FULL;
break;
} else if (hw->device_id ==
IXGBE_DEV_ID_X550EM_A_KR_L) {
*speed = IXGBE_LINK_SPEED_1GB_FULL;
break;
}
}
/* fall through */
default:
*speed = IXGBE_LINK_SPEED_10GB_FULL |
IXGBE_LINK_SPEED_1GB_FULL;
break;
}
}
return IXGBE_SUCCESS;
}
/**
* ixgbe_get_lasi_ext_t_x550em - Determime external Base T PHY interrupt cause
* @hw: pointer to hardware structure
* @lsc: pointer to boolean flag which indicates whether external Base T
* PHY interrupt is lsc
*
* Determime if external Base T PHY interrupt cause is high temperature
* failure alarm or link status change.
*
* Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
* failure alarm, else return PHY access status.
*/
STATIC s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
{
u32 status;
u16 reg;
*lsc = false;
/* Vendor alarm triggered */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
&reg);
if (status != IXGBE_SUCCESS ||
!(reg & IXGBE_MDIO_GLOBAL_VEN_ALM_INT_EN))
return status;
/* Vendor Auto-Neg alarm triggered or Global alarm 1 triggered */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_FLAG,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
&reg);
if (status != IXGBE_SUCCESS ||
!(reg & (IXGBE_MDIO_GLOBAL_AN_VEN_ALM_INT_EN |
IXGBE_MDIO_GLOBAL_ALARM_1_INT)))
return status;
/* Global alarm triggered */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_ALARM_1,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
&reg);
if (status != IXGBE_SUCCESS)
return status;
/* If high temperature failure, then return over temp error and exit */
if (reg & IXGBE_MDIO_GLOBAL_ALM_1_HI_TMP_FAIL) {
/* 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,
&reg);
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 */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &reg);
if (status != IXGBE_SUCCESS ||
!(reg & IXGBE_MDIO_GLOBAL_STD_ALM2_INT))
return status;
/* link connect/disconnect event occurred */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_TX_ALARM2,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &reg);
if (status != IXGBE_SUCCESS)
return status;
/* Indicate LSC */
if (reg & IXGBE_MDIO_AUTO_NEG_VEN_LSC)
*lsc = true;
return IXGBE_SUCCESS;
}
/**
* ixgbe_enable_lasi_ext_t_x550em - Enable external Base T PHY interrupts
* @hw: pointer to hardware structure
*
* Enable link status change and temperature failure alarm for the external
* Base T PHY
*
* Returns PHY access status
*/
STATIC s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw)
{
u32 status;
u16 reg;
bool lsc;
/* Clear interrupt flags */
status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
/* Enable link status change alarm */
/* Enable the LASI interrupts on X552 devices to receive notifications
* of the link configurations of the external PHY and correspondingly
* support the configuration of the internal iXFI link, since iXFI does
* not support auto-negotiation. This is not required for X553 devices
* having KR support, which performs auto-negotiations and which is used
* as the internal link to the external PHY. Hence adding a check here
* to avoid enabling LASI interrupts for X553 devices.
*/
if (hw->mac.type != ixgbe_mac_X550EM_a) {
status = hw->phy.ops.read_reg(hw,
IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &reg);
if (status != IXGBE_SUCCESS)
return status;
reg |= IXGBE_MDIO_PMA_TX_VEN_LASI_INT_EN;
status = hw->phy.ops.write_reg(hw,
IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE, reg);
if (status != IXGBE_SUCCESS)
return status;
}
/* 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,
&reg);
if (status != IXGBE_SUCCESS)
return status;
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,
reg);
if (status != IXGBE_SUCCESS)
return status;
/* Enable vendor Auto-Neg alarm and Global Interrupt Mask 1 alarm */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_MASK,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
&reg);
if (status != IXGBE_SUCCESS)
return status;
reg |= (IXGBE_MDIO_GLOBAL_AN_VEN_ALM_INT_EN |
IXGBE_MDIO_GLOBAL_ALARM_1_INT);
status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_MASK,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
reg);
if (status != IXGBE_SUCCESS)
return status;
/* Enable chip-wide vendor alarm */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_STD_MASK,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
&reg);
if (status != IXGBE_SUCCESS)
return status;
reg |= IXGBE_MDIO_GLOBAL_VEN_ALM_INT_EN;
status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_STD_MASK,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
reg);
return status;
}
/**
* ixgbe_setup_kr_speed_x550em - Configure the KR PHY for link speed.
* @hw: pointer to hardware structure
* @speed: link speed
*
* Configures the integrated KR PHY.
**/
STATIC s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *hw,
ixgbe_link_speed speed)
{
s32 status;
u32 reg_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, &reg_val);
if (status)
return status;
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
reg_val &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KR |
IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX);
/* Advertise 10G support. */
if (speed & IXGBE_LINK_SPEED_10GB_FULL)
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KR;
/* Advertise 1G support. */
if (speed & IXGBE_LINK_SPEED_1GB_FULL)
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX;
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 (hw->mac.type == ixgbe_mac_X550EM_a) {
/* Set lane mode to KR auto negotiation */
status = hw->mac.ops.read_iosf_sb_reg(hw,
IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, &reg_val);
if (status)
return status;
reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_AN;
reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
status = hw->mac.ops.write_iosf_sb_reg(hw,
IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
}
return ixgbe_restart_an_internal_phy_x550em(hw);
}
/**
* ixgbe_reset_phy_fw - Reset firmware-controlled PHYs
* @hw: pointer to hardware structure
*/
static s32 ixgbe_reset_phy_fw(struct ixgbe_hw *hw)
{
u32 store[FW_PHY_ACT_DATA_COUNT] = { 0 };
s32 rc;
if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw))
return IXGBE_SUCCESS;
rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_PHY_SW_RESET, &store);
if (rc)
return rc;
memset(store, 0, sizeof(store));
rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_INIT_PHY, &store);
if (rc)
return rc;
return ixgbe_setup_fw_link(hw);
}
/**
* ixgbe_check_overtemp_fw - Check firmware-controlled PHYs for overtemp
* @hw: pointer to hardware structure
*/
static s32 ixgbe_check_overtemp_fw(struct ixgbe_hw *hw)
{
u32 store[FW_PHY_ACT_DATA_COUNT] = { 0 };
s32 rc;
rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &store);
if (rc)
return rc;
if (store[0] & FW_PHY_ACT_GET_LINK_INFO_TEMP) {
ixgbe_shutdown_fw_phy(hw);
return IXGBE_ERR_OVERTEMP;
}
return IXGBE_SUCCESS;
}
/**
* 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");
hw->mac.ops.set_lan_id(hw);
ixgbe_read_mng_if_sel_x550em(hw);
if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) {
phy->phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
ixgbe_setup_mux_ctl(hw);
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 = NULL;
phy->ops.write_reg_mdi = NULL;
hw->phy.ops.read_reg = NULL;
hw->phy.ops.write_reg = NULL;
phy->ops.check_overtemp = ixgbe_check_overtemp_fw;
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;
case IXGBE_DEV_ID_X550EM_X_1G_T:
phy->ops.read_reg_mdi = NULL;
phy->ops.write_reg_mdi = NULL;
default:
break;
}
/* Identify the PHY or SFP module */
ret_val = phy->ops.identify(hw);
if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED ||
ret_val == IXGBE_ERR_PHY_ADDR_INVALID)
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_ext_1g_t:
/* link is managed by FW */
phy->ops.setup_link = NULL;
phy->ops.reset = NULL;
break;
case ixgbe_phy_x550em_xfi:
/* link is managed by HW */
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_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_fw:
phy->ops.setup_link = ixgbe_setup_fw_link;
phy->ops.reset = ixgbe_reset_phy_fw;
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_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;
case IXGBE_DEV_ID_X550EM_A_1G_T:
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
/* Select fast MDIO clock speed for these devices */
hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
hlreg0 |= IXGBE_HLREG0_MDCSPD;
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
break;
default:
break;
}
}
/**
* ixgbe_reset_hw_X550em - Perform hardware reset
* @hw: pointer to hardware structure
*
* Resets the hardware by resetting the transmit and receive units, masks
* and clears all interrupts, perform a PHY reset, and perform a link (MAC)
* reset.
*/
s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
{
ixgbe_link_speed link_speed;
s32 status;
u32 ctrl = 0;
u32 i;
bool link_up = false;
u32 swfw_mask = hw->phy.phy_semaphore_mask;
DEBUGFUNC("ixgbe_reset_hw_X550em");
/* Call adapter stop to disable Tx/Rx and clear interrupts */
status = hw->mac.ops.stop_adapter(hw);
if (status != IXGBE_SUCCESS) {
hw_dbg(hw, "Failed to stop adapter, STATUS = %d\n", status);
return status;
}
/* flush pending Tx transactions */
ixgbe_clear_tx_pending(hw);
ixgbe_set_mdio_speed(hw);
/* PHY ops must be identified and initialized prior to reset */
status = hw->phy.ops.init(hw);
if (status)
hw_dbg(hw, "Failed to initialize PHY ops, STATUS = %d\n",
status);
if (status == IXGBE_ERR_SFP_NOT_SUPPORTED ||
status == IXGBE_ERR_PHY_ADDR_INVALID) {
hw_dbg(hw, "Returning from reset HW due to PHY init failure\n");
return status;
}
/* start the external PHY */
if (hw->phy.type == ixgbe_phy_x550em_ext_t) {
status = ixgbe_init_ext_t_x550em(hw);
if (status) {
hw_dbg(hw, "Failed to start the external PHY, STATUS = %d\n",
status);
return status;
}
}
/* Setup SFP module if there is one present. */
if (hw->phy.sfp_setup_needed) {
status = hw->mac.ops.setup_sfp(hw);
hw->phy.sfp_setup_needed = false;
}
if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
return status;
/* Reset PHY */
if (!hw->phy.reset_disable && hw->phy.ops.reset) {
if (hw->phy.ops.reset(hw) == IXGBE_ERR_OVERTEMP)
return IXGBE_ERR_OVERTEMP;
}
mac_reset_top:
/* Issue global reset to the MAC. Needs to be SW reset if link is up.
* If link reset is used when link is up, it might reset the PHY when
* mng is using it. If link is down or the flag to force full link
* reset is set, then perform link reset.
*/
ctrl = IXGBE_CTRL_LNK_RST;
if (!hw->force_full_reset) {
hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
if (link_up)
ctrl = IXGBE_CTRL_RST;
}
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_ERR_SWFW_SYNC;
}
ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
IXGBE_WRITE_FLUSH(hw);
hw->mac.ops.release_swfw_sync(hw, swfw_mask);
/* Poll for reset bit to self-clear meaning reset is complete */
for (i = 0; i < 10; i++) {
usec_delay(1);
ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
if (!(ctrl & IXGBE_CTRL_RST_MASK))
break;
}
if (ctrl & IXGBE_CTRL_RST_MASK) {
status = IXGBE_ERR_RESET_FAILED;
hw_dbg(hw, "Reset polling failed to complete.\n");
}
msec_delay(50);
/* Double resets are required for recovery from certain error
* conditions. Between resets, it is necessary to stall to
* allow time for any pending HW events to complete.
*/
if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
goto mac_reset_top;
}
/* Store the permanent mac address */
hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
/* Store MAC address from RAR0, clear receive address registers, and
* clear the multicast table. Also reset num_rar_entries to 128,
* since we modify this value when programming the SAN MAC address.
*/
hw->mac.num_rar_entries = 128;
hw->mac.ops.init_rx_addrs(hw);
ixgbe_set_mdio_speed(hw);
if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP)
ixgbe_setup_mux_ctl(hw);
if (status != IXGBE_SUCCESS)
hw_dbg(hw, "Reset HW failed, STATUS = %d\n", status);
return status;
}
/**
* ixgbe_init_ext_t_x550em - Start (unstall) the external Base T PHY.
* @hw: pointer to hardware structure
*/
s32 ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw)
{
u32 status;
u16 reg;
status = hw->phy.ops.read_reg(hw,
IXGBE_MDIO_TX_VENDOR_ALARMS_3,
IXGBE_MDIO_PMA_PMD_DEV_TYPE,
&reg);
if (status != IXGBE_SUCCESS)
return status;
/* If PHY FW reset completed bit is set then this is the first
* SW instance after a power on so the PHY FW must be un-stalled.
*/
if (reg & IXGBE_MDIO_TX_VENDOR_ALARMS_3_RST_MASK) {
status = hw->phy.ops.read_reg(hw,
IXGBE_MDIO_GLOBAL_RES_PR_10,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
&reg);
if (status != IXGBE_SUCCESS)
return status;
reg &= ~IXGBE_MDIO_POWER_UP_STALL;
status = hw->phy.ops.write_reg(hw,
IXGBE_MDIO_GLOBAL_RES_PR_10,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
reg);
if (status != IXGBE_SUCCESS)
return status;
}
return status;
}
/**
* ixgbe_setup_kr_x550em - Configure the KR PHY.
* @hw: pointer to hardware structure
**/
s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw)
{
/* leave link alone for 2.5G */
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL)
return IXGBE_SUCCESS;
if (ixgbe_check_reset_blocked(hw))
return 0;
return ixgbe_setup_kr_speed_x550em(hw, hw->phy.autoneg_advertised);
}
/**
* ixgbe_setup_mac_link_sfp_x550em - Setup internal/external the PHY for SFP
* @hw: pointer to hardware structure
* @speed: new link speed
* @autoneg_wait_to_complete: unused
*
* 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 internal PHY for KR/KX. */
ixgbe_setup_kr_speed_x550em(hw, speed);
/* Configure CS4227 LINE side to proper mode. */
reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB +
(hw->bus.lan_id << 12);
if (setup_linear)
reg_val = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
else
reg_val = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
ret_val = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
reg_val);
return ret_val;
}
/**
* ixgbe_setup_sfi_x550a - Configure the internal PHY for native SFI mode
* @hw: pointer to hardware structure
* @speed: the link speed to force
*
* Configures the integrated PHY for native SFI mode. Used to connect the
* internal PHY directly to an SFP cage, without autonegotiation.
**/
STATIC s32 ixgbe_setup_sfi_x550a(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
{
struct ixgbe_mac_info *mac = &hw->mac;
s32 status;
u32 reg_val;
/* Disable all AN and force speed to 10G Serial. */
status = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, &reg_val);
if (status != IXGBE_SUCCESS)
return status;
reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN;
reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN;
reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN;
reg_val &= ~IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK;
/* Select forced link speed for internal PHY. */
switch (*speed) {
case IXGBE_LINK_SPEED_10GB_FULL:
reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_10G;
break;
case IXGBE_LINK_SPEED_1GB_FULL:
reg_val |= IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_1G;
break;
default:
/* Other link speeds are not supported by internal PHY. */
return IXGBE_ERR_LINK_SETUP;
}
status = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
/* Toggle port SW reset by AN reset. */
status = ixgbe_restart_an_internal_phy_x550em(hw);
return status;
}
/**
* ixgbe_setup_mac_link_sfp_x550a - Setup internal PHY for SFP
* @hw: pointer to hardware structure
* @speed: new link speed
* @autoneg_wait_to_complete: unused
*
* Configure the the integrated PHY for SFP support.
**/
s32 ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
bool autoneg_wait_to_complete)
{
s32 ret_val;
u16 reg_phy_ext;
bool setup_linear = false;
u32 reg_slice, reg_phy_int, slice_offset;
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
* 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;
if (hw->device_id == IXGBE_DEV_ID_X550EM_A_SFP_N) {
/* Configure internal PHY for native SFI based on module type */
ret_val = hw->mac.ops.read_iosf_sb_reg(hw,
IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, &reg_phy_int);
if (ret_val != IXGBE_SUCCESS)
return ret_val;
reg_phy_int &= IXGBE_KRM_PMD_FLX_MASK_ST20_SFI_10G_DA;
if (!setup_linear)
reg_phy_int |= IXGBE_KRM_PMD_FLX_MASK_ST20_SFI_10G_SR;
ret_val = hw->mac.ops.write_iosf_sb_reg(hw,
IXGBE_KRM_PMD_FLX_MASK_ST20(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_phy_int);
if (ret_val != IXGBE_SUCCESS)
return ret_val;
/* Setup SFI internal link. */
ret_val = ixgbe_setup_sfi_x550a(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 */
hw_dbg(hw, "Invalid NW_MNG_IF_SEL.MDIO_PHY_ADD value\n");
return IXGBE_ERR_PHY_ADDR_INVALID;
}
/* Get external PHY SKU id */
ret_val = hw->phy.ops.read_reg(hw, IXGBE_CS4227_EFUSE_PDF_SKU,
IXGBE_MDIO_ZERO_DEV_TYPE, &reg_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_SKU_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;
ret_val = hw->phy.ops.read_reg(hw, reg_slice,
IXGBE_MDIO_ZERO_DEV_TYPE, &reg_phy_ext);
if (ret_val != IXGBE_SUCCESS)
return ret_val;
reg_phy_ext &= ~((IXGBE_CS4227_EDC_MODE_CX1 << 1) |
(IXGBE_CS4227_EDC_MODE_SR << 1));
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);
/* Flush previous write with a read */
ret_val = hw->phy.ops.read_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, &reg_val);
if (status != IXGBE_SUCCESS)
return status;
reg_val |= IXGBE_KRM_RX_TRN_LINKUP_CTRL_CONV_WO_PROTOCOL;
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 = mac->ops.read_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;
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 = 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 = mac->ops.read_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;
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 = 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 = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, &reg_val);
if (status != IXGBE_SUCCESS)
return status;
reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_OVRRD_EN;
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 = 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;
/* iXFI is only supported with X552 */
if (mac->type != ixgbe_mac_X550EM_x)
return IXGBE_ERR_LINK_SETUP;
/* 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, &reg_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_restart_an_internal_phy_x550em(hw);
return status;
}
/**
* ixgbe_ext_phy_t_x550em_get_link - Get ext phy link status
* @hw: address of hardware structure
* @link_up: address of boolean to indicate link status
*
* Returns error code if unable to get link status.
*/
STATIC s32 ixgbe_ext_phy_t_x550em_get_link(struct ixgbe_hw *hw, bool *link_up)
{
u32 ret;
u16 autoneg_status;
*link_up = false;
/* read this twice back to back to indicate current status */
ret = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
&autoneg_status);
if (ret != IXGBE_SUCCESS)
return ret;
ret = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
&autoneg_status);
if (ret != IXGBE_SUCCESS)
return ret;
*link_up = !!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS);
return IXGBE_SUCCESS;
}
/**
* ixgbe_setup_internal_phy_t_x550em - Configure KR PHY to X557 link
* @hw: point to hardware structure
*
* Configures the link between the integrated KR PHY and the external X557 PHY
* The driver will call this function when it gets a link status change
* interrupt from the X557 PHY. This function configures the link speed
* between the PHYs to match the link speed of the BASE-T link.
*
* A return of a non-zero value indicates an error, and the base driver should
* not report link up.
*/
s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw)
{
ixgbe_link_speed force_speed;
bool link_up;
u32 status;
u16 speed;
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
return IXGBE_ERR_CONFIG;
if (hw->mac.type == ixgbe_mac_X550EM_x &&
!(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;
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 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;
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);
} else {
speed = IXGBE_LINK_SPEED_10GB_FULL |
IXGBE_LINK_SPEED_1GB_FULL;
return ixgbe_setup_kr_speed_x550em(hw, speed);
}
}
/**
* ixgbe_setup_phy_loopback_x550em - Configure the KR PHY for loopback.
* @hw: pointer to hardware structure
*
* Configures the integrated KR PHY to use internal loopback mode.
**/
s32 ixgbe_setup_phy_loopback_x550em(struct ixgbe_hw *hw)
{
s32 status;
u32 reg_val;
/* Disable AN and force speed to 10G Serial. */
status = hw->mac.ops.read_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;
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 = 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 = hw->mac.ops.read_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;
reg_val |= IXGBE_KRM_PORT_CAR_GEN_CTRL_NELB_32B;
reg_val |= IXGBE_KRM_PORT_CAR_GEN_CTRL_NELB_KRPCS;
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 = hw->mac.ops.read_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;
reg_val |= IXGBE_KRM_PMD_DFX_BURNIN_TX_RX_KR_LB_MASK;
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 = hw->mac.ops.read_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;
reg_val |= IXGBE_KRM_RX_TRN_LINKUP_CTRL_PROTOCOL_BYPASS;
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;
}
/**
* ixgbe_read_ee_hostif_X550 - Read EEPROM word using a host interface command
* assuming that the semaphore is already obtained.
* @hw: pointer to hardware structure
* @offset: offset of word in the EEPROM to read
* @data: word read from the EEPROM
*
* Reads a 16 bit word from the EEPROM using the hostif.
**/
s32 ixgbe_read_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 *data)
{
const u32 mask = IXGBE_GSSR_SW_MNG_SM | IXGBE_GSSR_EEP_SM;
struct ixgbe_hic_read_shadow_ram buffer;
s32 status;
DEBUGFUNC("ixgbe_read_ee_hostif_X550");
buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD;
buffer.hdr.req.buf_lenh = 0;
buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN;
buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
/* convert offset from words to bytes */
buffer.address = IXGBE_CPU_TO_BE32(offset * 2);
/* one word */
buffer.length = IXGBE_CPU_TO_BE16(sizeof(u16));
buffer.pad2 = 0;
buffer.data = 0;
buffer.pad3 = 0;
status = hw->mac.ops.acquire_swfw_sync(hw, mask);
if (status)
return status;
status = ixgbe_hic_unlocked(hw, (u32 *)&buffer, sizeof(buffer),
IXGBE_HI_COMMAND_TIMEOUT);
if (!status) {
*data = (u16)IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG,
FW_NVM_DATA_OFFSET);
}
hw->mac.ops.release_swfw_sync(hw, mask);
return status;
}
/**
* ixgbe_read_ee_hostif_buffer_X550- Read EEPROM word(s) using hostif
* @hw: pointer to hardware structure
* @offset: offset of word in the EEPROM to read
* @words: number of words
* @data: word(s) read from the EEPROM
*
* Reads a 16 bit word(s) from the EEPROM using the hostif.
**/
s32 ixgbe_read_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
u16 offset, u16 words, u16 *data)
{
const u32 mask = IXGBE_GSSR_SW_MNG_SM | IXGBE_GSSR_EEP_SM;
struct ixgbe_hic_read_shadow_ram buffer;
u32 current_word = 0;
u16 words_to_read;
s32 status;
u32 i;
DEBUGFUNC("ixgbe_read_ee_hostif_buffer_X550");
/* Take semaphore for the entire operation. */
status = hw->mac.ops.acquire_swfw_sync(hw, mask);
if (status) {
hw_dbg(hw, "EEPROM read buffer - semaphore failed\n");
return status;
}
while (words) {
if (words > FW_MAX_READ_BUFFER_SIZE / 2)
words_to_read = FW_MAX_READ_BUFFER_SIZE / 2;
else
words_to_read = words;
buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD;
buffer.hdr.req.buf_lenh = 0;
buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN;
buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
/* convert offset from words to bytes */
buffer.address = IXGBE_CPU_TO_BE32((offset + current_word) * 2);
buffer.length = IXGBE_CPU_TO_BE16(words_to_read * 2);
buffer.pad2 = 0;
buffer.data = 0;
buffer.pad3 = 0;
status = ixgbe_hic_unlocked(hw, (u32 *)&buffer, sizeof(buffer),
IXGBE_HI_COMMAND_TIMEOUT);
if (status) {
hw_dbg(hw, "Host interface command failed\n");
goto out;
}
for (i = 0; i < words_to_read; i++) {
u32 reg = IXGBE_FLEX_MNG + (FW_NVM_DATA_OFFSET << 2) +
2 * i;
u32 value = IXGBE_READ_REG(hw, reg);
data[current_word] = (u16)(value & 0xffff);
current_word++;
i++;
if (i < words_to_read) {
value >>= 16;
data[current_word] = (u16)(value & 0xffff);
current_word++;
}
}
words -= words_to_read;
}
out:
hw->mac.ops.release_swfw_sync(hw, mask);
return status;
}
/**
* ixgbe_write_ee_hostif_X550 - Write EEPROM word using hostif
* @hw: pointer to hardware structure
* @offset: offset of word in the EEPROM to write
* @data: word write to the EEPROM
*
* Write a 16 bit word to the EEPROM using the hostif.
**/
s32 ixgbe_write_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
u16 data)
{
s32 status;
struct ixgbe_hic_write_shadow_ram buffer;
DEBUGFUNC("ixgbe_write_ee_hostif_data_X550");
buffer.hdr.req.cmd = FW_WRITE_SHADOW_RAM_CMD;
buffer.hdr.req.buf_lenh = 0;
buffer.hdr.req.buf_lenl = FW_WRITE_SHADOW_RAM_LEN;
buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
/* one word */
buffer.length = IXGBE_CPU_TO_BE16(sizeof(u16));
buffer.data = data;
buffer.address = IXGBE_CPU_TO_BE32(offset * 2);
status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
sizeof(buffer),
IXGBE_HI_COMMAND_TIMEOUT, true);
if (status != IXGBE_SUCCESS) {
hw_dbg(hw, "for offset %04x failed with status %d\n",
offset, status);
return status;
}
if (buffer.hdr.rsp.buf_lenh_status != FW_CEM_RESP_STATUS_SUCCESS) {
hw_dbg(hw, "for offset %04x host interface return status %02x\n",
offset, buffer.hdr.rsp.buf_lenh_status);
return IXGBE_ERR_HOST_INTERFACE_COMMAND;
}
return status;
}
/**
* ixgbe_write_ee_hostif_X550 - Write EEPROM word using hostif
* @hw: pointer to hardware structure
* @offset: offset of word in the EEPROM to write
* @data: word write to the EEPROM
*
* Write a 16 bit word to the EEPROM using the hostif.
**/
s32 ixgbe_write_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset,
u16 data)
{
s32 status = IXGBE_SUCCESS;
DEBUGFUNC("ixgbe_write_ee_hostif_X550");
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) ==
IXGBE_SUCCESS) {
status = ixgbe_write_ee_hostif_data_X550(hw, offset, data);
hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
} else {
hw_dbg(hw, "write ee hostif failed to get semaphore");
status = IXGBE_ERR_SWFW_SYNC;
}
return status;
}
/**
* ixgbe_write_ee_hostif_buffer_X550 - Write EEPROM word(s) using hostif
* @hw: pointer to hardware structure
* @offset: offset of word in the EEPROM to write
* @words: number of words
* @data: word(s) write to the EEPROM
*
* Write a 16 bit word(s) to the EEPROM using the hostif.
**/
s32 ixgbe_write_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
u16 offset, u16 words, u16 *data)
{
s32 status = IXGBE_SUCCESS;
u32 i = 0;
DEBUGFUNC("ixgbe_write_ee_hostif_buffer_X550");
/* Take semaphore for the entire operation. */
status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
if (status != IXGBE_SUCCESS) {
hw_dbg(hw, "EEPROM write buffer - semaphore failed\n");
goto out;
}
for (i = 0; i < words; i++) {
status = ixgbe_write_ee_hostif_data_X550(hw, offset + i,
data[i]);
if (status != IXGBE_SUCCESS) {
hw_dbg(hw, "Eeprom buffered write failed\n");
break;
}
}
hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
out:
return status;
}
/**
* ixgbe_checksum_ptr_x550 - Checksum one pointer region
* @hw: pointer to hardware structure
* @ptr: pointer offset in eeprom
* @size: size of section pointed by ptr, if 0 first word will be used as size
* @csum: address of checksum to update
* @buffer: pointer to buffer containing calculated checksum
* @buffer_size: size of buffer
*
* Returns error status for any failure
*/
STATIC s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr,
u16 size, u16 *csum, u16 *buffer,
u32 buffer_size)
{
u16 buf[256];
s32 status;
u16 length, bufsz, i, start;
u16 *local_buffer;
bufsz = sizeof(buf) / sizeof(buf[0]);
/* Read a chunk at the pointer location */
if (!buffer) {
status = ixgbe_read_ee_hostif_buffer_X550(hw, ptr, bufsz, buf);
if (status) {
hw_dbg(hw, "Failed to read EEPROM image\n");
return status;
}
local_buffer = buf;
} else {
if (buffer_size < ptr)
return IXGBE_ERR_PARAM;
local_buffer = &buffer[ptr];
}
if (size) {
start = 0;
length = size;
} else {
start = 1;
length = local_buffer[0];
/* Skip pointer section if length is invalid. */
if (length == 0xFFFF || length == 0 ||
(ptr + length) >= hw->eeprom.word_size)
return IXGBE_SUCCESS;
}
if (buffer && ((u32)start + (u32)length > buffer_size))
return IXGBE_ERR_PARAM;
for (i = start; length; i++, length--) {
if (i == bufsz && !buffer) {
ptr += bufsz;
i = 0;
if (length < bufsz)
bufsz = length;
/* Read a chunk at the pointer location */
status = ixgbe_read_ee_hostif_buffer_X550(hw, ptr,
bufsz, buf);
if (status) {
hw_dbg(hw, "Failed to read EEPROM image\n");
return status;
}
}
*csum += local_buffer[i];
}
return IXGBE_SUCCESS;
}
/**
* ixgbe_calc_checksum_X550 - Calculates and returns the checksum
* @hw: pointer to hardware structure
* @buffer: pointer to buffer containing calculated checksum
* @buffer_size: size of buffer
*
* Returns a negative error code on error, or the 16-bit checksum
**/
s32 ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer, u32 buffer_size)
{
u16 eeprom_ptrs[IXGBE_EEPROM_LAST_WORD + 1];
u16 *local_buffer;
s32 status;
u16 checksum = 0;
u16 pointer, i, size;
DEBUGFUNC("ixgbe_calc_eeprom_checksum_X550");
hw->eeprom.ops.init_params(hw);
if (!buffer) {
/* Read pointer area */
status = ixgbe_read_ee_hostif_buffer_X550(hw, 0,
IXGBE_EEPROM_LAST_WORD + 1,
eeprom_ptrs);
if (status) {
hw_dbg(hw, "Failed to read EEPROM image\n");
return status;
}
local_buffer = eeprom_ptrs;
} else {
if (buffer_size < IXGBE_EEPROM_LAST_WORD)
return IXGBE_ERR_PARAM;
local_buffer = buffer;
}
/*
* For X550 hardware include 0x0-0x41 in the checksum, skip the
* checksum word itself
*/
for (i = 0; i <= IXGBE_EEPROM_LAST_WORD; i++)
if (i != IXGBE_EEPROM_CHECKSUM)
checksum += local_buffer[i];
/*
* Include all data from pointers 0x3, 0x6-0xE. This excludes the
* FW, PHY module, and PCIe Expansion/Option ROM pointers.
*/
for (i = IXGBE_PCIE_ANALOG_PTR_X550; i < IXGBE_FW_PTR; i++) {
if (i == IXGBE_PHY_PTR || i == IXGBE_OPTION_ROM_PTR)
continue;
pointer = local_buffer[i];
/* Skip pointer section if the pointer is invalid. */
if (pointer == 0xFFFF || pointer == 0 ||
pointer >= hw->eeprom.word_size)
continue;
switch (i) {
case IXGBE_PCIE_GENERAL_PTR:
size = IXGBE_IXGBE_PCIE_GENERAL_SIZE;
break;
case IXGBE_PCIE_CONFIG0_PTR:
case IXGBE_PCIE_CONFIG1_PTR:
size = IXGBE_PCIE_CONFIG_SIZE;
break;
default:
size = 0;
break;
}
status = ixgbe_checksum_ptr_x550(hw, pointer, size, &checksum,
buffer, buffer_size);
if (status)
return status;
}
checksum = (u16)IXGBE_EEPROM_SUM - checksum;
return (s32)checksum;
}
/**
* ixgbe_calc_eeprom_checksum_X550 - Calculates and returns the checksum
* @hw: pointer to hardware structure
*
* Returns a negative error code on error, or the 16-bit checksum
**/
s32 ixgbe_calc_eeprom_checksum_X550(struct ixgbe_hw *hw)
{
return ixgbe_calc_checksum_X550(hw, NULL, 0);
}
/**
* ixgbe_validate_eeprom_checksum_X550 - Validate EEPROM checksum
* @hw: pointer to hardware structure
* @checksum_val: calculated checksum
*
* Performs checksum calculation and validates the EEPROM checksum. If the
* caller does not need checksum_val, the value can be NULL.
**/
s32 ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw, u16 *checksum_val)
{
s32 status;
u16 checksum;
u16 read_checksum = 0;
DEBUGFUNC("ixgbe_validate_eeprom_checksum_X550");
/* Read the first word from the EEPROM. If this times out or fails, do
* not continue or we could be in for a very long wait while every
* EEPROM read fails
*/
status = hw->eeprom.ops.read(hw, 0, &checksum);
if (status) {
hw_dbg(hw, "EEPROM read failed\n");
return status;
}
status = hw->eeprom.ops.calc_checksum(hw);
if (status < 0)
return status;
checksum = (u16)(status & 0xffff);
status = ixgbe_read_ee_hostif_X550(hw, IXGBE_EEPROM_CHECKSUM,
&read_checksum);
if (status)
return status;
/* Verify read checksum from EEPROM is the same as
* calculated checksum
*/
if (read_checksum != checksum) {
status = IXGBE_ERR_EEPROM_CHECKSUM;
ERROR_REPORT1(IXGBE_ERROR_INVALID_STATE,
"Invalid EEPROM checksum");
}
/* If the user cares, return the calculated checksum */
if (checksum_val)
*checksum_val = checksum;
return status;
}
/**
* ixgbe_update_eeprom_checksum_X550 - Updates the EEPROM checksum and flash
* @hw: pointer to hardware structure
*
* After writing EEPROM to shadow RAM using EEWR register, software calculates
* checksum and updates the EEPROM and instructs the hardware to update
* the flash.
**/
s32 ixgbe_update_eeprom_checksum_X550(struct ixgbe_hw *hw)
{
s32 status;
u16 checksum = 0;
DEBUGFUNC("ixgbe_update_eeprom_checksum_X550");
/* Read the first word from the EEPROM. If this times out or fails, do
* not continue or we could be in for a very long wait while every
* EEPROM read fails
*/
status = ixgbe_read_ee_hostif_X550(hw, 0, &checksum);
if (status) {
hw_dbg(hw, "EEPROM read failed\n");
return status;
}
status = ixgbe_calc_eeprom_checksum_X550(hw);
if (status < 0)
return status;
checksum = (u16)(status & 0xffff);
status = ixgbe_write_ee_hostif_X550(hw, IXGBE_EEPROM_CHECKSUM,
checksum);
if (status)
return status;
status = ixgbe_update_flash_X550(hw);
return status;
}
/**
* ixgbe_update_flash_X550 - Instruct HW to copy EEPROM to Flash device
* @hw: pointer to hardware structure
*
* Issue a shadow RAM dump to FW to copy EEPROM from shadow RAM to the flash.
**/
s32 ixgbe_update_flash_X550(struct ixgbe_hw *hw)
{
s32 status = IXGBE_SUCCESS;
union ixgbe_hic_hdr2 buffer;
DEBUGFUNC("ixgbe_update_flash_X550");
buffer.req.cmd = FW_SHADOW_RAM_DUMP_CMD;
buffer.req.buf_lenh = 0;
buffer.req.buf_lenl = FW_SHADOW_RAM_DUMP_LEN;
buffer.req.checksum = FW_DEFAULT_CHECKSUM;
status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
sizeof(buffer),
IXGBE_HI_COMMAND_TIMEOUT, false);
return status;
}
/**
* ixgbe_get_supported_physical_layer_X550em - Returns physical layer type
* @hw: pointer to hardware structure
*
* Determines physical layer capabilities of the current configuration.
**/
u64 ixgbe_get_supported_physical_layer_X550em(struct ixgbe_hw *hw)
{
u64 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
u16 ext_ability = 0;
DEBUGFUNC("ixgbe_get_supported_physical_layer_X550em");
hw->phy.ops.identify(hw);
switch (hw->phy.type) {
case ixgbe_phy_x550em_kr:
if (hw->mac.type == ixgbe_mac_X550EM_a) {
if (hw->phy.nw_mng_if_sel &
IXGBE_NW_MNG_IF_SEL_PHY_SPEED_2_5G) {
physical_layer =
IXGBE_PHYSICAL_LAYER_2500BASE_KX;
break;
} else if (hw->device_id ==
IXGBE_DEV_ID_X550EM_A_KR_L) {
physical_layer =
IXGBE_PHYSICAL_LAYER_1000BASE_KX;
break;
}
}
/* fall through */
case ixgbe_phy_x550em_xfi:
physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KR |
IXGBE_PHYSICAL_LAYER_1000BASE_KX;
break;
case ixgbe_phy_x550em_kx4:
physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_KX4 |
IXGBE_PHYSICAL_LAYER_1000BASE_KX;
break;
case ixgbe_phy_x550em_ext_t:
hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_EXT_ABILITY,
IXGBE_MDIO_PMA_PMD_DEV_TYPE,
&ext_ability);
if (ext_ability & IXGBE_MDIO_PHY_10GBASET_ABILITY)
physical_layer |= IXGBE_PHYSICAL_LAYER_10GBASE_T;
if (ext_ability & IXGBE_MDIO_PHY_1000BASET_ABILITY)
physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
break;
case ixgbe_phy_fw:
if (hw->phy.speeds_supported & IXGBE_LINK_SPEED_1GB_FULL)
physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
if (hw->phy.speeds_supported & IXGBE_LINK_SPEED_100_FULL)
physical_layer |= IXGBE_PHYSICAL_LAYER_100BASE_TX;
if (hw->phy.speeds_supported & IXGBE_LINK_SPEED_10_FULL)
physical_layer |= IXGBE_PHYSICAL_LAYER_10BASE_T;
break;
case ixgbe_phy_sgmii:
physical_layer = IXGBE_PHYSICAL_LAYER_1000BASE_KX;
break;
case ixgbe_phy_ext_1g_t:
physical_layer |= IXGBE_PHYSICAL_LAYER_1000BASE_T;
break;
default:
break;
}
if (hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber)
physical_layer = ixgbe_get_supported_phy_sfp_layer_generic(hw);
return physical_layer;
}
/**
* ixgbe_get_bus_info_x550em - Set PCI bus info
* @hw: pointer to hardware structure
*
* Sets bus link width and speed to unknown because X550em is
* not a PCI device.
**/
s32 ixgbe_get_bus_info_X550em(struct ixgbe_hw *hw)
{
DEBUGFUNC("ixgbe_get_bus_info_x550em");
hw->bus.width = ixgbe_bus_width_unknown;
hw->bus.speed = ixgbe_bus_speed_unknown;
hw->mac.ops.set_lan_id(hw);
return IXGBE_SUCCESS;
}
/**
* ixgbe_disable_rx_x550 - Disable RX unit
* @hw: pointer to hardware structure
*
* Enables the Rx DMA unit for x550
**/
void ixgbe_disable_rx_x550(struct ixgbe_hw *hw)
{
u32 rxctrl, pfdtxgswc;
s32 status;
struct ixgbe_hic_disable_rxen fw_cmd;
DEBUGFUNC("ixgbe_enable_rx_dma_x550");
rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
if (rxctrl & IXGBE_RXCTRL_RXEN) {
pfdtxgswc = IXGBE_READ_REG(hw, IXGBE_PFDTXGSWC);
if (pfdtxgswc & IXGBE_PFDTXGSWC_VT_LBEN) {
pfdtxgswc &= ~IXGBE_PFDTXGSWC_VT_LBEN;
IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, pfdtxgswc);
hw->mac.set_lben = true;
} else {
hw->mac.set_lben = false;
}
fw_cmd.hdr.cmd = FW_DISABLE_RXEN_CMD;
fw_cmd.hdr.buf_len = FW_DISABLE_RXEN_LEN;
fw_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
fw_cmd.port_number = (u8)hw->bus.lan_id;
status = ixgbe_host_interface_command(hw, (u32 *)&fw_cmd,
sizeof(struct ixgbe_hic_disable_rxen),
IXGBE_HI_COMMAND_TIMEOUT, true);
/* If we fail - disable RX using register write */
if (status) {
rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
if (rxctrl & IXGBE_RXCTRL_RXEN) {
rxctrl &= ~IXGBE_RXCTRL_RXEN;
IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl);
}
}
}
}
/**
* ixgbe_enter_lplu_x550em - Transition to low power states
* @hw: pointer to hardware structure
*
* Configures Low Power Link Up on transition to low power states
* (from D0 to non-D0). Link is required to enter LPLU so avoid resetting the
* X557 PHY immediately prior to entering LPLU.
**/
s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw)
{
u16 an_10g_cntl_reg, autoneg_reg, speed;
s32 status;
ixgbe_link_speed lcd_speed;
u32 save_autoneg;
bool link_up;
/* SW LPLU not required on later HW revisions. */
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 (ixgbe_check_reset_blocked(hw))
return IXGBE_SUCCESS;
status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
if (status != IXGBE_SUCCESS)
return status;
status = ixgbe_read_eeprom(hw, NVM_INIT_CTRL_3, &hw->eeprom.ctrl_word_3);
if (status != IXGBE_SUCCESS)
return status;
/* If link is down, LPLU disabled in NVM, WoL disabled, or manageability
* disabled, then force link down by entering low power mode.
*/
if (!link_up || !(hw->eeprom.ctrl_word_3 & NVM_INIT_CTRL_3_LPLU) ||
!(hw->wol_enabled || ixgbe_mng_present(hw)))
return ixgbe_set_copper_phy_power(hw, FALSE);
/* Determine LCD */
status = ixgbe_get_lcd_t_x550em(hw, &lcd_speed);
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);
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, &reg_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;
case IXGBE_DEV_ID_X550EM_X_XFI:
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) {
hw_dbg(hw, "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) {
hw_dbg(hw, "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) {
hw_dbg(hw, "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 - passthrough FC settings
* @hw: pointer to hardware structure
*
**/
void ixgbe_fc_autoneg_fiber_x550em_a(struct ixgbe_hw *hw)
{
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;
u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
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 = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &info);
if (status != IXGBE_SUCCESS ||
!(info[0] & FW_PHY_ACT_GET_LINK_INFO_AN_COMPLETE)) {
hw_dbg(hw, "Auto-Negotiation did not complete\n");
status = IXGBE_ERR_FC_NOT_NEGOTIATED;
goto out;
}
/* Negotiate the flow control */
status = ixgbe_negotiate_fc(hw, info[0], info[0],
FW_PHY_ACT_GET_LINK_INFO_FC_RX,
FW_PHY_ACT_GET_LINK_INFO_FC_TX,
FW_PHY_ACT_GET_LINK_INFO_LP_FC_RX,
FW_PHY_ACT_GET_LINK_INFO_LP_FC_TX);
out:
if (status == IXGBE_SUCCESS) {
hw->fc.fc_was_autonegged = true;
} else {
hw->fc.fc_was_autonegged = false;
hw->fc.current_mode = hw->fc.requested_mode;
}
}
/**
* ixgbe_setup_fc_backplane_x550em_a - Set up flow control
* @hw: pointer to hardware structure
*
* Called at init time to set up flow control.
**/
s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw)
{
s32 status = IXGBE_SUCCESS;
u32 an_cntl = 0;
DEBUGFUNC("ixgbe_setup_fc_backplane_x550em_a");
/* Validate the requested mode */
if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
ERROR_REPORT1(IXGBE_ERROR_UNSUPPORTED,
"ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
return IXGBE_ERR_INVALID_LINK_SETTINGS;
}
if (hw->fc.requested_mode == ixgbe_fc_default)
hw->fc.requested_mode = ixgbe_fc_full;
/* Set up the 1G and 10G flow control advertisement registers so the
* HW will be able to do FC autoneg once the cable is plugged in. If
* we link at 10G, the 1G advertisement is harmless and vice versa.
*/
status = hw->mac.ops.read_iosf_sb_reg(hw,
IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, &an_cntl);
if (status != IXGBE_SUCCESS) {
hw_dbg(hw, "Auto-Negotiation did not complete\n");
return status;
}
/* The possible values of fc.requested_mode are:
* 0: Flow control is completely disabled
* 1: Rx flow control is enabled (we can receive pause frames,
* but not send pause frames).
* 2: Tx flow control is enabled (we can send pause frames but
* we do not support receiving pause frames).
* 3: Both Rx and Tx flow control (symmetric) are enabled.
* other: Invalid.
*/
switch (hw->fc.requested_mode) {
case ixgbe_fc_none:
/* Flow control completely disabled by software override. */
an_cntl &= ~(IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
IXGBE_KRM_AN_CNTL_1_ASM_PAUSE);
break;
case ixgbe_fc_tx_pause:
/* Tx Flow control is enabled, and Rx Flow control is
* disabled by software override.
*/
an_cntl |= IXGBE_KRM_AN_CNTL_1_ASM_PAUSE;
an_cntl &= ~IXGBE_KRM_AN_CNTL_1_SYM_PAUSE;
break;
case ixgbe_fc_rx_pause:
/* Rx Flow control is enabled and Tx Flow control is
* disabled by software override. Since there really
* isn't a way to advertise that we are capable of RX
* Pause ONLY, we will advertise that we support both
* symmetric and asymmetric Rx PAUSE, as such we fall
* through to the fc_full statement. Later, we will
* disable the adapter's ability to send PAUSE frames.
*/
case ixgbe_fc_full:
/* Flow control (both Rx and Tx) is enabled by SW override. */
an_cntl |= IXGBE_KRM_AN_CNTL_1_SYM_PAUSE |
IXGBE_KRM_AN_CNTL_1_ASM_PAUSE;
break;
default:
ERROR_REPORT1(IXGBE_ERROR_ARGUMENT,
"Flow control param set incorrectly\n");
return IXGBE_ERR_CONFIG;
}
status = hw->mac.ops.write_iosf_sb_reg(hw,
IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, an_cntl);
/* Restart auto-negotiation. */
status = ixgbe_restart_an_internal_phy_x550em(hw);
return status;
}
/**
* ixgbe_set_mux - Set mux for port 1 access with CS4227
* @hw: pointer to hardware structure
* @state: set mux if 1, clear if 0
*/
STATIC void ixgbe_set_mux(struct ixgbe_hw *hw, u8 state)
{
u32 esdp;
if (!hw->bus.lan_id)
return;
esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
if (state)
esdp |= IXGBE_ESDP_SDP1;
else
esdp &= ~IXGBE_ESDP_SDP1;
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
IXGBE_WRITE_FLUSH(hw);
}
/**
* ixgbe_acquire_swfw_sync_X550em - Acquire SWFW semaphore
* @hw: pointer to hardware structure
* @mask: Mask to specify which semaphore to acquire
*
* Acquires the SWFW semaphore and sets the I2C MUX
**/
s32 ixgbe_acquire_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask)
{
s32 status;
DEBUGFUNC("ixgbe_acquire_swfw_sync_X550em");
status = ixgbe_acquire_swfw_sync_X540(hw, mask);
if (status)
return status;
if (mask & IXGBE_GSSR_I2C_MASK)
ixgbe_set_mux(hw, 1);
return IXGBE_SUCCESS;
}
/**
* ixgbe_release_swfw_sync_X550em - Release SWFW semaphore
* @hw: pointer to hardware structure
* @mask: Mask to specify which semaphore to release
*
* Releases the SWFW semaphore and sets the I2C MUX
**/
void ixgbe_release_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask)
{
DEBUGFUNC("ixgbe_release_swfw_sync_X550em");
if (mask & IXGBE_GSSR_I2C_MASK)
ixgbe_set_mux(hw, 0);
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) {
hw_dbg(hw, "Could not acquire SWFW semaphore, Status = %d\n",
status);
return status;
}
if (!(mask & IXGBE_GSSR_TOKEN_SM))
return IXGBE_SUCCESS;
status = ixgbe_get_phy_token(hw);
if (status == IXGBE_ERR_TOKEN_RETRY)
hw_dbg(hw, "Could not acquire PHY token, Status = %d\n",
status);
if (status == IXGBE_SUCCESS)
return IXGBE_SUCCESS;
if (hmask)
ixgbe_release_swfw_sync_X540(hw, hmask);
if (status != IXGBE_ERR_TOKEN_RETRY) {
hw_dbg(hw, "Unable to retry acquiring the PHY token, Status = %d\n",
status);
return status;
}
}
hw_dbg(hw, "Semaphore acquisition retries failed!: PHY ID = 0x%08X\n",
hw->phy.id);
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
* @device_type: 5 bit device type
* @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
*
* Handle external Base T PHY interrupt. If high temperature
* failure alarm then return error, else if link status change
* then setup internal/external PHY link
*
* Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
* failure alarm, else return PHY access status.
*/
s32 ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw)
{
bool lsc;
u32 status;
status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
if (status != IXGBE_SUCCESS)
return status;
if (lsc)
return ixgbe_setup_internal_phy(hw);
return IXGBE_SUCCESS;
}
/**
* ixgbe_setup_mac_link_t_X550em - Sets the auto advertised link speed
* @hw: pointer to hardware structure
* @speed: new link speed
* @autoneg_wait_to_complete: true when waiting for completion is needed
*
* Setup internal/external PHY link speed based on link speed, then set
* external PHY auto advertised link speed.
*
* Returns error status for any failure
**/
s32 ixgbe_setup_mac_link_t_X550em(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
bool autoneg_wait_to_complete)
{
s32 status;
ixgbe_link_speed force_speed;
DEBUGFUNC("ixgbe_setup_mac_link_t_X550em");
/* Setup internal/external PHY link speed to iXFI (10G), unless
* only 1G is auto advertised then setup KX link.
*/
if (speed & IXGBE_LINK_SPEED_10GB_FULL)
force_speed = IXGBE_LINK_SPEED_10GB_FULL;
else
force_speed = IXGBE_LINK_SPEED_1GB_FULL;
/* If X552 and internal link mode is XFI, then setup XFI internal link.
*/
if (hw->mac.type == ixgbe_mac_X550EM_x &&
!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
status = ixgbe_setup_ixfi_x550em(hw, &force_speed);
if (status != IXGBE_SUCCESS)
return status;
}
return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait_to_complete);
}
/**
* ixgbe_check_link_t_X550em - Determine link and speed status
* @hw: pointer to hardware structure
* @speed: pointer to link speed
* @link_up: true when link is up
* @link_up_wait_to_complete: bool used to wait for link up or not
*
* Check that both the MAC and X557 external PHY have link.
**/
s32 ixgbe_check_link_t_X550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
bool *link_up, bool link_up_wait_to_complete)
{
u32 status;
u16 i, autoneg_status = 0;
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
return IXGBE_ERR_CONFIG;
status = ixgbe_check_mac_link_generic(hw, speed, link_up,
link_up_wait_to_complete);
/* If check link fails or MAC link is not up, then return */
if (status != IXGBE_SUCCESS || !(*link_up))
return status;
/* MAC link is up, so check external PHY link.
* X557 PHY. Link status is latching low, and can only be used to detect
* link drop, and not the current status of the link without performing
* back-to-back reads.
*/
for (i = 0; i < 2; i++) {
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
&autoneg_status);
if (status != IXGBE_SUCCESS)
return status;
}
/* If external PHY link is not up, then indicate link not up */
if (!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS))
*link_up = false;
return IXGBE_SUCCESS;
}
/**
* ixgbe_reset_phy_t_X550em - Performs X557 PHY reset and enables LASI
* @hw: pointer to hardware structure
**/
s32 ixgbe_reset_phy_t_X550em(struct ixgbe_hw *hw)
{
s32 status;
status = ixgbe_reset_phy_generic(hw);
if (status != IXGBE_SUCCESS)
return status;
/* Configure Link Status Alarm and Temperature Threshold interrupts */
return ixgbe_enable_lasi_ext_t_x550em(hw);
}
/**
* ixgbe_led_on_t_X550em - Turns on the software controllable LEDs.
* @hw: pointer to hardware structure
* @led_idx: led number to turn on
**/
s32 ixgbe_led_on_t_X550em(struct ixgbe_hw *hw, u32 led_idx)
{
u16 phy_data;
DEBUGFUNC("ixgbe_led_on_t_X550em");
if (led_idx >= IXGBE_X557_MAX_LED_INDEX)
return IXGBE_ERR_PARAM;
/* To turn on the LED, set mode to ON. */
ixgbe_read_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, &phy_data);
phy_data |= IXGBE_X557_LED_MANUAL_SET_MASK;
ixgbe_write_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, phy_data);
/* Some designs have the LEDs wired to the MAC */
return ixgbe_led_on_generic(hw, led_idx);
}
/**
* ixgbe_led_off_t_X550em - Turns off the software controllable LEDs.
* @hw: pointer to hardware structure
* @led_idx: led number to turn off
**/
s32 ixgbe_led_off_t_X550em(struct ixgbe_hw *hw, u32 led_idx)
{
u16 phy_data;
DEBUGFUNC("ixgbe_led_off_t_X550em");
if (led_idx >= IXGBE_X557_MAX_LED_INDEX)
return IXGBE_ERR_PARAM;
/* To turn on the LED, set mode to ON. */
ixgbe_read_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, &phy_data);
phy_data &= ~IXGBE_X557_LED_MANUAL_SET_MASK;
ixgbe_write_phy_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, phy_data);
/* Some designs have the LEDs wired to the MAC */
return ixgbe_led_off_generic(hw, led_idx);
}
/**
* ixgbe_set_fw_drv_ver_x550 - Sends driver version to firmware
* @hw: pointer to the HW structure
* @maj: driver version major number
* @min: driver version minor number
* @build: driver version build number
* @sub: driver version sub build number
* @len: length of driver_ver string
* @driver_ver: driver string
*
* Sends driver version number to firmware through the manageability
* block. On success return IXGBE_SUCCESS
* else returns IXGBE_ERR_SWFW_SYNC when encountering an error acquiring
* semaphore or IXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
**/
s32 ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,
u8 build, u8 sub, u16 len, const char *driver_ver)
{
struct ixgbe_hic_drv_info2 fw_cmd;
s32 ret_val = IXGBE_SUCCESS;
int i;
DEBUGFUNC("ixgbe_set_fw_drv_ver_x550");
if ((len == 0) || (driver_ver == NULL) ||
(len > sizeof(fw_cmd.driver_string)))
return IXGBE_ERR_INVALID_ARGUMENT;
fw_cmd.hdr.cmd = FW_CEM_CMD_DRIVER_INFO;
fw_cmd.hdr.buf_len = FW_CEM_CMD_DRIVER_INFO_LEN + len;
fw_cmd.hdr.cmd_or_resp.cmd_resv = FW_CEM_CMD_RESERVED;
fw_cmd.port_num = (u8)hw->bus.func;
fw_cmd.ver_maj = maj;
fw_cmd.ver_min = min;
fw_cmd.ver_build = build;
fw_cmd.ver_sub = sub;
fw_cmd.hdr.checksum = 0;
memcpy(fw_cmd.driver_string, driver_ver, len);
fw_cmd.hdr.checksum = ixgbe_calculate_checksum((u8 *)&fw_cmd,
(FW_CEM_HDR_LEN + fw_cmd.hdr.buf_len));
for (i = 0; i <= FW_CEM_MAX_RETRIES; i++) {
ret_val = ixgbe_host_interface_command(hw, (u32 *)&fw_cmd,
sizeof(fw_cmd),
IXGBE_HI_COMMAND_TIMEOUT,
true);
if (ret_val != IXGBE_SUCCESS)
continue;
if (fw_cmd.hdr.cmd_or_resp.ret_status ==
FW_CEM_RESP_STATUS_SUCCESS)
ret_val = IXGBE_SUCCESS;
else
ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
break;
}
return ret_val;
}
/**
* ixgbe_fw_recovery_mode_X550 - Check FW NVM recovery mode
* @hw: pointer t hardware structure
*
* Returns true if in FW NVM recovery mode.
**/
bool ixgbe_fw_recovery_mode_X550(struct ixgbe_hw *hw)
{
u32 fwsm;
fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM_BY_MAC(hw));
return !!(fwsm & IXGBE_FWSM_FW_NVM_RECOVERY_MODE);
}
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