// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 1999 - 2018 Intel Corporation. */
#include "ixgbe_x540.h"
#include "ixgbe_type.h"
#include "ixgbe_common.h"
#include "ixgbe_phy.h"
static int ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *, ixgbe_link_speed);
static int ixgbe_setup_fc_x550em(struct ixgbe_hw *);
static void ixgbe_fc_autoneg_fiber_x550em_a(struct ixgbe_hw *);
static void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *);
static int ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *);
static int ixgbe_get_invariants_X550_x(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
struct ixgbe_phy_info *phy = &hw->phy;
struct ixgbe_link_info *link = &hw->link;
/* Start with X540 invariants, since so simular */
ixgbe_get_invariants_X540(hw);
if (mac->ops.get_media_type(hw) != ixgbe_media_type_copper)
phy->ops.set_phy_power = NULL;
link->addr = IXGBE_CS4227;
return 0;
}
static int ixgbe_get_invariants_X550_x_fw(struct ixgbe_hw *hw)
{
struct ixgbe_phy_info *phy = &hw->phy;
/* Start with X540 invariants, since so similar */
ixgbe_get_invariants_X540(hw);
phy->ops.set_phy_power = NULL;
return 0;
}
static int ixgbe_get_invariants_X550_a(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
struct ixgbe_phy_info *phy = &hw->phy;
/* Start with X540 invariants, since so simular */
ixgbe_get_invariants_X540(hw);
if (mac->ops.get_media_type(hw) != ixgbe_media_type_copper)
phy->ops.set_phy_power = NULL;
return 0;
}
static int ixgbe_get_invariants_X550_a_fw(struct ixgbe_hw *hw)
{
struct ixgbe_phy_info *phy = &hw->phy;
/* Start with X540 invariants, since so similar */
ixgbe_get_invariants_X540(hw);
phy->ops.set_phy_power = NULL;
return 0;
}
/** 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_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 int 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 int 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 int ixgbe_read_pe(struct ixgbe_hw *hw, u8 reg, u8 *value)
{
int status;
status = ixgbe_read_i2c_byte_generic_unlocked(hw, reg, IXGBE_PE, value);
if (status)
hw_err(hw, "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 int ixgbe_write_pe(struct ixgbe_hw *hw, u8 reg, u8 value)
{
int status;
status = ixgbe_write_i2c_byte_generic_unlocked(hw, reg, IXGBE_PE,
value);
if (status)
hw_err(hw, "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 int ixgbe_reset_cs4227(struct ixgbe_hw *hw)
{
int status;
u32 retry;
u16 value;
u8 reg;
/* Trigger hard reset. */
status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, ®);
if (status)
return status;
reg |= IXGBE_PE_BIT1;
status = ixgbe_write_pe(hw, IXGBE_PE_OUTPUT, reg);
if (status)
return status;
status = ixgbe_read_pe(hw, IXGBE_PE_CONFIG, ®);
if (status)
return status;
reg &= ~IXGBE_PE_BIT1;
status = ixgbe_write_pe(hw, IXGBE_PE_CONFIG, reg);
if (status)
return status;
status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, ®);
if (status)
return status;
reg &= ~IXGBE_PE_BIT1;
status = ixgbe_write_pe(hw, IXGBE_PE_OUTPUT, reg);
if (status)
return status;
usleep_range(IXGBE_CS4227_RESET_HOLD, IXGBE_CS4227_RESET_HOLD + 100);
status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, ®);
if (status)
return status;
reg |= IXGBE_PE_BIT1;
status = ixgbe_write_pe(hw, IXGBE_PE_OUTPUT, reg);
if (status)
return status;
/* Wait for the reset to complete. */
msleep(IXGBE_CS4227_RESET_DELAY);
for (retry = 0; retry < IXGBE_CS4227_RETRIES; retry++) {
status = ixgbe_read_cs4227(hw, IXGBE_CS4227_EFUSE_STATUS,
&value);
if (!status && value == IXGBE_CS4227_EEPROM_LOAD_OK)
break;
msleep(IXGBE_CS4227_CHECK_DELAY);
}
if (retry == IXGBE_CS4227_RETRIES) {
hw_err(hw, "CS4227 reset did not complete\n");
return -EIO;
}
status = ixgbe_read_cs4227(hw, IXGBE_CS4227_EEPROM_STATUS, &value);
if (status || !(value & IXGBE_CS4227_EEPROM_LOAD_OK)) {
hw_err(hw, "CS4227 EEPROM did not load successfully\n");
return -EIO;
}
return 0;
}
/**
* ixgbe_check_cs4227 - Check CS4227 and reset as needed
* @hw: pointer to hardware structure
*/
static void ixgbe_check_cs4227(struct ixgbe_hw *hw)
{
u32 swfw_mask = hw->phy.phy_semaphore_mask;
int status;
u16 value;
u8 retry;
for (retry = 0; retry < IXGBE_CS4227_RETRIES; retry++) {
status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
if (status) {
hw_err(hw, "semaphore failed with %d\n", status);
msleep(IXGBE_CS4227_CHECK_DELAY);
continue;
}
/* Get status of reset flow. */
status = ixgbe_read_cs4227(hw, IXGBE_CS4227_SCRATCH, &value);
if (!status && value == IXGBE_CS4227_RESET_COMPLETE)
goto out;
if (status || value != IXGBE_CS4227_RESET_PENDING)
break;
/* Reset is pending. Wait and check again. */
hw->mac.ops.release_swfw_sync(hw, swfw_mask);
msleep(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) {
hw_err(hw, "semaphore failed with %d\n", status);
return;
}
}
/* Reset the CS4227. */
status = ixgbe_reset_cs4227(hw);
if (status) {
hw_err(hw, "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);
usleep_range(10000, 12000);
status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
if (status) {
hw_err(hw, "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);
msleep(hw->eeprom.semaphore_delay);
}
/** ixgbe_identify_phy_x550em - Get PHY type based on device id
* @hw: pointer to hardware structure
*
* Returns error code
*/
static int ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
{
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_A_SFP:
if (hw->bus.lan_id)
hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY1_SM;
else
hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY0_SM;
return ixgbe_identify_module_generic(hw);
case IXGBE_DEV_ID_X550EM_X_SFP:
/* set up for CS4227 usage */
hw->phy.phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
ixgbe_setup_mux_ctl(hw);
ixgbe_check_cs4227(hw);
fallthrough;
case IXGBE_DEV_ID_X550EM_A_SFP_N:
return ixgbe_identify_module_generic(hw);
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:
if (hw->bus.lan_id)
hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY1_SM;
else
hw->phy.phy_semaphore_mask = IXGBE_GSSR_PHY0_SM;
fallthrough;
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;
hw->phy.ops.read_reg = NULL;
hw->phy.ops.write_reg = NULL;
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 0;
}
static int ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 *phy_data)
{
return -EOPNOTSUPP;
}
static int ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 phy_data)
{
return -EOPNOTSUPP;
}
/**
* 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 int 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 int
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 int 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 int
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_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
*/
int 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;
int rc;
u32 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 = cpu_to_le16(activity);
for (i = 0; i < ARRAY_SIZE(hic.cmd.data); ++i)
hic.cmd.data[i] = cpu_to_be32((*data)[i]);
rc = ixgbe_host_interface_command(hw, &hic.cmd, sizeof(hic.cmd),
IXGBE_HI_COMMAND_TIMEOUT,
true);
if (rc)
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] = be32_to_cpu(hic.rsp.data[i]);
return 0;
}
usleep_range(20, 30);
--retries;
} while (retries > 0);
return -EIO;
}
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 int ixgbe_get_phy_id_fw(struct ixgbe_hw *hw)
{
u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
u16 phy_speeds;
u16 phy_id_lo;
int rc;
u16 i;
if (hw->phy.id)
return 0;
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 < ARRAY_SIZE(ixgbe_fw_map); ++i) {
if (phy_speeds & ixgbe_fw_map[i].fw_speed)
hw->phy.speeds_supported |= ixgbe_fw_map[i].phy_speed;
}
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 -EFAULT;
hw->phy.autoneg_advertised = hw->phy.speeds_supported;
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;
return 0;
}
/**
* ixgbe_identify_phy_fw - Get PHY type based on firmware command
* @hw: pointer to hardware structure
*
* Returns error code
*/
static int 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
*/
static int 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);
}
/**
* ixgbe_setup_fw_link - Setup firmware-controlled PHYs
* @hw: pointer to hardware structure
*/
static int ixgbe_setup_fw_link(struct ixgbe_hw *hw)
{
u32 setup[FW_PHY_ACT_DATA_COUNT] = { 0 };
int 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) {
hw_err(hw, "rx_pause not valid in strict IEEE mode\n");
return -EINVAL;
}
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 < ARRAY_SIZE(ixgbe_fw_map); ++i) {
if (hw->phy.autoneg_advertised & ixgbe_fw_map[i].phy_speed)
setup[0] |= 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 -EIO;
return 0;
}
/**
* 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 int 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_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.
**/
static int ixgbe_init_eeprom_params_X550(struct ixgbe_hw *hw)
{
struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
if (eeprom->type == ixgbe_eeprom_uninitialized) {
u16 eeprom_size;
u32 eec;
eeprom->semaphore_delay = 10;
eeprom->type = ixgbe_flash;
eec = IXGBE_READ_REG(hw, IXGBE_EEC(hw));
eeprom_size = FIELD_GET(IXGBE_EEC_SIZE, eec);
eeprom->word_size = BIT(eeprom_size +
IXGBE_EEPROM_WORD_SIZE_SHIFT);
hw_dbg(hw, "Eeprom params: type = %d, size = %d\n",
eeprom->type, eeprom->word_size);
}
return 0;
}
/**
* ixgbe_iosf_wait - Wait for IOSF command completion
* @hw: pointer to hardware structure
* @ctrl: pointer to location to receive final IOSF control value
*
* Return: failing status on timeout
*
* Note: ctrl can be NULL if the IOSF control register value is not needed
*/
static int ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl)
{
u32 i, command;
/* 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))
break;
udelay(10);
}
if (ctrl)
*ctrl = command;
if (i == IXGBE_MDIO_COMMAND_TIMEOUT) {
hw_dbg(hw, "IOSF wait timed out\n");
return -EIO;
}
return 0;
}
/** ixgbe_read_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
* @phy_data: Pointer to read data from the register
**/
static int 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;
int ret;
ret = hw->mac.ops.acquire_swfw_sync(hw, gssr);
if (ret)
return ret;
ret = ixgbe_iosf_wait(hw, NULL);
if (ret)
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 = FIELD_GET(IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK, command);
hw_dbg(hw, "Failed to read, error %x\n", error);
ret = -EIO;
goto out;
}
if (!ret)
*data = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_DATA);
out:
hw->mac.ops.release_swfw_sync(hw, gssr);
return ret;
}
/**
* ixgbe_get_phy_token - Get the token for shared PHY access
* @hw: Pointer to hardware structure
*/
static int ixgbe_get_phy_token(struct ixgbe_hw *hw)
{
struct ixgbe_hic_phy_token_req token_cmd;
int 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, &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 0;
if (token_cmd.hdr.cmd_or_resp.ret_status != FW_PHY_TOKEN_RETRY)
return -EIO;
return -EAGAIN;
}
/**
* ixgbe_put_phy_token - Put the token for shared PHY access
* @hw: Pointer to hardware structure
*/
static int ixgbe_put_phy_token(struct ixgbe_hw *hw)
{
struct ixgbe_hic_phy_token_req token_cmd;
int 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, &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 0;
return -EIO;
}
/**
* ixgbe_write_iosf_sb_reg_x550a - Write to IOSF PHY register
* @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
**/
static int ixgbe_write_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
__always_unused u32 device_type,
u32 data)
{
struct ixgbe_hic_internal_phy_req write_cmd;
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 = cpu_to_be16(reg_addr);
write_cmd.write_data = cpu_to_be32(data);
return ixgbe_host_interface_command(hw, &write_cmd, sizeof(write_cmd),
IXGBE_HI_COMMAND_TIMEOUT, false);
}
/**
* ixgbe_read_iosf_sb_reg_x550a - Read from IOSF PHY register
* @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
**/
static int ixgbe_read_iosf_sb_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
__always_unused u32 device_type,
u32 *data)
{
union {
struct ixgbe_hic_internal_phy_req cmd;
struct ixgbe_hic_internal_phy_resp rsp;
} hic;
int status;
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 = cpu_to_be16(reg_addr);
status = ixgbe_host_interface_command(hw, &hic.cmd, sizeof(hic.cmd),
IXGBE_HI_COMMAND_TIMEOUT, true);
/* Extract the register value from the response. */
*data = be32_to_cpu(hic.rsp.read_data);
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.
**/
static int 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;
int status;
u32 i;
/* 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 = (__force u32)cpu_to_be32((offset +
current_word) * 2);
buffer.length = (__force u16)cpu_to_be16(words_to_read * 2);
buffer.pad2 = 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_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
*
* Returns error status for any failure
**/
static int ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr,
u16 size, u16 *csum, u16 *buffer,
u32 buffer_size)
{
u16 length, bufsz, i, start;
u16 *local_buffer;
u16 buf[256];
int status;
bufsz = ARRAY_SIZE(buf);
/* 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 -EINVAL;
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 0;
}
if (buffer && ((u32)start + (u32)length > buffer_size))
return -EINVAL;
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 0;
}
/** 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
**/
static int ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer,
u32 buffer_size)
{
u16 eeprom_ptrs[IXGBE_EEPROM_LAST_WORD + 1];
u16 pointer, i, size;
u16 *local_buffer;
u16 checksum = 0;
int status;
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 -EINVAL;
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 (int)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
**/
static int ixgbe_calc_eeprom_checksum_X550(struct ixgbe_hw *hw)
{
return ixgbe_calc_checksum_X550(hw, NULL, 0);
}
/** ixgbe_read_ee_hostif_X550 - Read EEPROM word using a host interface command
* @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.
**/
static int 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;
int status;
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 = (__force u32)cpu_to_be32(offset * 2);
/* one word */
buffer.length = (__force u16)cpu_to_be16(sizeof(u16));
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_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.
**/
static int ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw,
u16 *checksum_val)
{
u16 read_checksum = 0;
u16 checksum;
int status;
/* 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 = -EIO;
hw_dbg(hw, "Invalid EEPROM checksum");
}
/* If the user cares, return the calculated checksum */
if (checksum_val)
*checksum_val = checksum;
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.
**/
static int ixgbe_write_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
u16 data)
{
struct ixgbe_hic_write_shadow_ram buffer;
int status;
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 = cpu_to_be16(sizeof(u16));
buffer.data = data;
buffer.address = cpu_to_be32(offset * 2);
status = ixgbe_host_interface_command(hw, &buffer, sizeof(buffer),
IXGBE_HI_COMMAND_TIMEOUT, false);
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.
**/
static int ixgbe_write_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 data)
{
int status = 0;
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) == 0) {
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 = -EBUSY;
}
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.
**/
static int ixgbe_update_flash_X550(struct ixgbe_hw *hw)
{
union ixgbe_hic_hdr2 buffer;
int status = 0;
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, &buffer, sizeof(buffer),
IXGBE_HI_COMMAND_TIMEOUT, false);
return status;
}
/**
* 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.
**/
static int ixgbe_get_bus_info_X550em(struct ixgbe_hw *hw)
{
hw->bus.type = ixgbe_bus_type_internal;
hw->bus.width = ixgbe_bus_width_unknown;
hw->bus.speed = ixgbe_bus_speed_unknown;
hw->mac.ops.set_lan_id(hw);
return 0;
}
/**
* ixgbe_fw_recovery_mode_X550 - Check FW NVM recovery mode
* @hw: pointer t hardware structure
*
* Returns true if in FW NVM recovery mode.
*/
static bool ixgbe_fw_recovery_mode_X550(struct ixgbe_hw *hw)
{
u32 fwsm;
fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM(hw));
return !!(fwsm & IXGBE_FWSM_FW_NVM_RECOVERY_MODE);
}
/** ixgbe_disable_rx_x550 - Disable RX unit
*
* Enables the Rx DMA unit for x550
**/
static void ixgbe_disable_rx_x550(struct ixgbe_hw *hw)
{
struct ixgbe_hic_disable_rxen fw_cmd;
u32 rxctrl, pfdtxgswc;
int status;
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 = hw->bus.lan_id;
status = ixgbe_host_interface_command(hw, &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_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.
**/
static int ixgbe_update_eeprom_checksum_X550(struct ixgbe_hw *hw)
{
u16 checksum = 0;
int status;
/* 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_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.
**/
static int ixgbe_write_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
u16 offset, u16 words,
u16 *data)
{
int status = 0;
u32 i = 0;
/* Take semaphore for the entire operation. */
status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
if (status) {
hw_dbg(hw, "EEPROM write buffer - semaphore failed\n");
return status;
}
for (i = 0; i < words; i++) {
status = ixgbe_write_ee_hostif_data_X550(hw, offset + i,
data[i]);
if (status) {
hw_dbg(hw, "Eeprom buffered write failed\n");
break;
}
}
hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
return status;
}
/** 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
**/
static int 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;
int ret;
ret = hw->mac.ops.acquire_swfw_sync(hw, gssr);
if (ret)
return ret;
ret = ixgbe_iosf_wait(hw, NULL);
if (ret)
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 = FIELD_GET(IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK, command);
hw_dbg(hw, "Failed to write, error %x\n", error);
return -EIO;
}
out:
hw->mac.ops.release_swfw_sync(hw, gssr);
return ret;
}
/**
* ixgbe_setup_ixfi_x550em_x - MAC specific iXFI configuration
* @hw: pointer to hardware structure
*
* iXfI configuration needed for ixgbe_mac_X550EM_x devices.
**/
static int ixgbe_setup_ixfi_x550em_x(struct ixgbe_hw *hw)
{
u32 reg_val;
int status;
/* Disable training protocol FSM. */
status = ixgbe_read_iosf_sb_reg_x550(hw,
IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status)
return status;
reg_val |= IXGBE_KRM_RX_TRN_LINKUP_CTRL_CONV_WO_PROTOCOL;
status = ixgbe_write_iosf_sb_reg_x550(hw,
IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status)
return status;
/* Disable Flex from training TXFFE. */
status = ixgbe_read_iosf_sb_reg_x550(hw,
IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status)
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 = ixgbe_write_iosf_sb_reg_x550(hw,
IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status)
return status;
status = ixgbe_read_iosf_sb_reg_x550(hw,
IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status)
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 = ixgbe_write_iosf_sb_reg_x550(hw,
IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status)
return status;
/* Enable override for coefficients. */
status = ixgbe_read_iosf_sb_reg_x550(hw,
IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status)
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 = ixgbe_write_iosf_sb_reg_x550(hw,
IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
return status;
}
/**
* ixgbe_restart_an_internal_phy_x550em - restart autonegotiation for the
* internal PHY
* @hw: pointer to hardware structure
**/
static int ixgbe_restart_an_internal_phy_x550em(struct ixgbe_hw *hw)
{
u32 link_ctrl;
int status;
/* 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_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 int ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
{
struct ixgbe_mac_info *mac = &hw->mac;
u32 reg_val;
int status;
/* iXFI is only supported with X552 */
if (mac->type != ixgbe_mac_X550EM_x)
return -EIO;
/* Disable AN and force speed to 10G Serial. */
status = ixgbe_read_iosf_sb_reg_x550(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status)
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 -EINVAL;
}
status = ixgbe_write_iosf_sb_reg_x550(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
if (status)
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)
return status;
}
/* Toggle port SW reset by AN reset. */
status = ixgbe_restart_an_internal_phy_x550em(hw);
return status;
}
/**
* 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 int ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear)
{
switch (hw->phy.sfp_type) {
case ixgbe_sfp_type_not_present:
return -ENOENT;
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 -EOPNOTSUPP;
}
return 0;
}
/**
* ixgbe_setup_mac_link_sfp_x550em - Configure the KR PHY for SFP.
* @hw: pointer to hardware structure
* @speed: the link speed to force
* @autoneg_wait_to_complete: unused
*
* Configures the extern PHY and the integrated KR PHY for SFP support.
*/
static int
ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
__always_unused bool autoneg_wait_to_complete)
{
bool setup_linear = false;
u16 reg_slice, reg_val;
int status;
/* Check if SFP module is supported and linear */
status = 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 accepted in the setup MAC link flow.
*/
if (status == -ENOENT)
return 0;
if (status)
return status;
/* 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;
status = hw->link.ops.write_link(hw, hw->link.addr, reg_slice,
reg_val);
return status;
}
/**
* 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 int ixgbe_setup_sfi_x550a(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
{
struct ixgbe_mac_info *mac = &hw->mac;
u32 reg_val;
int status;
/* 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, ®_val);
if (status)
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 -EINVAL;
}
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_n - Setup internal PHY for native SFP
* @hw: pointer to hardware structure
* @speed: link speed
* @autoneg_wait_to_complete: unused
*
* Configure the integrated PHY for native SFP support.
*/
static int
ixgbe_setup_mac_link_sfp_n(struct ixgbe_hw *hw, ixgbe_link_speed speed,
__always_unused bool autoneg_wait_to_complete)
{
bool setup_linear = false;
u32 reg_phy_int;
int ret_val;
/* 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 == -ENOENT)
return 0;
if (ret_val)
return ret_val;
/* 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, ®_phy_int);
if (ret_val)
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)
return ret_val;
/* Setup SFI internal link. */
return ixgbe_setup_sfi_x550a(hw, &speed);
}
/**
* ixgbe_setup_mac_link_sfp_x550a - Setup internal PHY for SFP
* @hw: pointer to hardware structure
* @speed: link speed
* @autoneg_wait_to_complete: unused
*
* Configure the integrated PHY for SFP support.
*/
static int
ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw, ixgbe_link_speed speed,
__always_unused bool autoneg_wait_to_complete)
{
u32 reg_slice, slice_offset;
bool setup_linear = false;
u16 reg_phy_ext;
int ret_val;
/* 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 == -ENOENT)
return 0;
if (ret_val)
return ret_val;
/* Configure internal PHY for KR/KX. */
ixgbe_setup_kr_speed_x550em(hw, speed);
if (hw->phy.mdio.prtad == MDIO_PRTAD_NONE)
return -EFAULT;
/* Get external PHY SKU id */
ret_val = hw->phy.ops.read_reg(hw, IXGBE_CS4227_EFUSE_PDF_SKU,
IXGBE_MDIO_ZERO_DEV_TYPE, ®_phy_ext);
if (ret_val)
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, ®_phy_ext);
if (ret_val)
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) | 1;
else
reg_phy_ext |= (IXGBE_CS4227_EDC_MODE_SR << 1) | 1;
ret_val = hw->phy.ops.write_reg(hw, reg_slice,
IXGBE_MDIO_ZERO_DEV_TYPE, reg_phy_ext);
if (ret_val)
return ret_val;
/* Flush previous write with a read */
return hw->phy.ops.read_reg(hw, reg_slice,
IXGBE_MDIO_ZERO_DEV_TYPE, ®_phy_ext);
}
/**
* ixgbe_setup_mac_link_t_X550em - Sets the auto advertised link speed
* @hw: pointer to hardware structure
* @speed: new link speed
* @autoneg_wait: 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
**/
static int ixgbe_setup_mac_link_t_X550em(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
bool autoneg_wait)
{
ixgbe_link_speed force_speed;
int status;
/* 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)
return status;
}
return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait);
}
/** 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.
**/
static int 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;
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
return -EIO;
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 || !(*link_up))
return status;
/* MAC link is up, so check external PHY link.
* 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, MDIO_STAT1, MDIO_MMD_AN,
&autoneg_status);
if (status)
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 0;
}
/**
* ixgbe_setup_sgmii - Set up link for sgmii
* @hw: pointer to hardware structure
* @speed: unused
* @autoneg_wait_to_complete: unused
*/
static int
ixgbe_setup_sgmii(struct ixgbe_hw *hw, __always_unused ixgbe_link_speed speed,
__always_unused bool autoneg_wait_to_complete)
{
struct ixgbe_mac_info *mac = &hw->mac;
u32 lval, sval, flx_val;
int 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;
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);
return rc;
}
/**
* ixgbe_setup_sgmii_fw - Set up link for sgmii with firmware-controlled PHYs
* @hw: pointer to hardware structure
* @speed: the link speed to force
* @autoneg_wait: true when waiting for completion is needed
*/
static int 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;
int 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;
ixgbe_restart_an_internal_phy_x550em(hw);
return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait);
}
/**
* 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.
*/
static void ixgbe_fc_autoneg_sgmii_x550em_a(struct ixgbe_hw *hw)
{
u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
ixgbe_link_speed speed;
int status = -EIO;
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)
goto out;
hw->mac.ops.check_link(hw, &speed, &link_up, false);
if (!link_up)
goto out;
/* Check if auto-negotiation has completed */
status = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &info);
if (status || !(info[0] & FW_PHY_ACT_GET_LINK_INFO_AN_COMPLETE)) {
status = -EIO;
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) {
hw->fc.fc_was_autonegged = true;
} else {
hw->fc.fc_was_autonegged = false;
hw->fc.current_mode = hw->fc.requested_mode;
}
}
/** ixgbe_init_mac_link_ops_X550em_a - Init mac link function pointers
* @hw: pointer to hardware structure
**/
static void ixgbe_init_mac_link_ops_X550em_a(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
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_copper:
if (hw->device_id != IXGBE_DEV_ID_X550EM_A_1G_T &&
hw->device_id != IXGBE_DEV_ID_X550EM_A_1G_T_L) {
mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em;
break;
}
mac->ops.fc_autoneg = ixgbe_fc_autoneg_sgmii_x550em_a;
mac->ops.setup_fc = ixgbe_fc_autoneg_fw;
mac->ops.setup_link = ixgbe_setup_sgmii_fw;
mac->ops.check_link = ixgbe_check_mac_link_generic;
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;
}
}
/** ixgbe_init_mac_link_ops_X550em - init mac link function pointers
* @hw: pointer to hardware structure
**/
static void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw)
{
struct ixgbe_mac_info *mac = &hw->mac;
mac->ops.setup_fc = ixgbe_setup_fc_x550em;
switch (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;
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_A_SFP_N:
mac->ops.setup_mac_link = ixgbe_setup_mac_link_sfp_n;
break;
case IXGBE_DEV_ID_X550EM_A_SFP:
mac->ops.setup_mac_link =
ixgbe_setup_mac_link_sfp_x550a;
break;
default:
mac->ops.setup_mac_link =
ixgbe_setup_mac_link_sfp_x550em;
break;
}
mac->ops.set_rate_select_speed =
ixgbe_set_soft_rate_select_speed;
break;
case ixgbe_media_type_copper:
if (hw->device_id == IXGBE_DEV_ID_X550EM_X_1G_T)
break;
mac->ops.setup_link = ixgbe_setup_mac_link_t_X550em;
mac->ops.setup_fc = ixgbe_setup_fc_generic;
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;
}
/* Additional modification for X550em_a devices */
if (hw->mac.type == ixgbe_mac_x550em_a)
ixgbe_init_mac_link_ops_X550em_a(hw);
}
/** ixgbe_setup_sfp_modules_X550em - Setup SFP module
* @hw: pointer to hardware structure
*/
static int ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw)
{
bool linear;
int status;
/* Check if SFP module is supported */
status = ixgbe_supported_sfp_modules_X550em(hw, &linear);
if (status)
return status;
ixgbe_init_mac_link_ops_X550em(hw);
hw->phy.ops.reset = NULL;
return 0;
}
/** 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
**/
static int ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *autoneg)
{
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;
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 0;
}
/* 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 {
switch (hw->phy.type) {
case ixgbe_phy_x550em_kx4:
*speed = IXGBE_LINK_SPEED_1GB_FULL |
IXGBE_LINK_SPEED_2_5GB_FULL |
IXGBE_LINK_SPEED_10GB_FULL;
break;
case ixgbe_phy_x550em_xfi:
*speed = IXGBE_LINK_SPEED_1GB_FULL |
IXGBE_LINK_SPEED_10GB_FULL;
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;
}
}
fallthrough;
default:
*speed = IXGBE_LINK_SPEED_10GB_FULL |
IXGBE_LINK_SPEED_1GB_FULL;
break;
}
*autoneg = true;
}
return 0;
}
/**
* 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
* @is_overtemp: indicate whether an overtemp event encountered
*
* Determime if external Base T PHY interrupt cause is high temperature
* failure alarm or link status change.
**/
static int ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc,
bool *is_overtemp)
{
u32 status;
u16 reg;
*is_overtemp = false;
*lsc = false;
/* Vendor alarm triggered */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG,
MDIO_MMD_VEND1,
®);
if (status || !(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,
MDIO_MMD_VEND1,
®);
if (status || !(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,
MDIO_MMD_VEND1,
®);
if (status)
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);
*is_overtemp = true;
return -EIO;
}
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,
MDIO_MMD_VEND1,
®);
if (status)
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);
*is_overtemp = true;
return -EIO;
}
}
/* Vendor alarm 2 triggered */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG,
MDIO_MMD_AN, ®);
if (status || !(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,
MDIO_MMD_AN, ®);
if (status)
return status;
/* Indicate LSC */
if (reg & IXGBE_MDIO_AUTO_NEG_VEN_LSC)
*lsc = true;
return 0;
}
/**
* 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 int ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw)
{
bool lsc, overtemp;
u32 status;
u16 reg;
/* Clear interrupt flags */
status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc, &overtemp);
/* 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,
MDIO_MMD_AN, ®);
if (status)
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,
MDIO_MMD_AN, reg);
if (status)
return status;
}
/* Enable high temperature failure and global fault alarms */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK,
MDIO_MMD_VEND1,
®);
if (status)
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,
MDIO_MMD_VEND1,
reg);
if (status)
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,
MDIO_MMD_VEND1,
®);
if (status)
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,
MDIO_MMD_VEND1,
reg);
if (status)
return status;
/* Enable chip-wide vendor alarm */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_STD_MASK,
MDIO_MMD_VEND1,
®);
if (status)
return status;
reg |= IXGBE_MDIO_GLOBAL_VEN_ALM_INT_EN;
status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_STD_MASK,
MDIO_MMD_VEND1,
reg);
return status;
}
/**
* ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt
* @hw: pointer to hardware structure
* @is_overtemp: indicate whether an overtemp event encountered
*
* 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
**/
static int ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw,
bool *is_overtemp)
{
struct ixgbe_phy_info *phy = &hw->phy;
bool lsc;
u32 status;
status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc, is_overtemp);
if (status)
return status;
if (lsc && phy->ops.setup_internal_link)
return phy->ops.setup_internal_link(hw);
return 0;
}
/**
* 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 int ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *hw,
ixgbe_link_speed speed)
{
u32 reg_val;
int status;
status = hw->mac.ops.read_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status)
return status;
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, ®_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_setup_kr_x550em - Configure the KR PHY
* @hw: pointer to hardware structure
**/
static int 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 0;
if (ixgbe_check_reset_blocked(hw))
return 0;
return ixgbe_setup_kr_speed_x550em(hw, hw->phy.autoneg_advertised);
}
/** 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 int 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, MDIO_STAT1, MDIO_MMD_AN,
&autoneg_status);
if (ret)
return ret;
ret = hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN,
&autoneg_status);
if (ret)
return ret;
*link_up = !!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS);
return 0;
}
/** 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.
**/
static int 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 -EIO;
if (!(hw->mac.type == ixgbe_mac_X550EM_x &&
!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE))) {
speed = IXGBE_LINK_SPEED_10GB_FULL |
IXGBE_LINK_SPEED_1GB_FULL;
return ixgbe_setup_kr_speed_x550em(hw, speed);
}
/* If link is not up, then there is no setup necessary so return */
status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
if (status)
return status;
if (!link_up)
return 0;
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_STAT,
MDIO_MMD_AN,
&speed);
if (status)
return status;
/* If link is not still up, then no setup is necessary so return */
status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
if (status)
return status;
if (!link_up)
return 0;
/* 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 -EINVAL;
}
return ixgbe_setup_ixfi_x550em(hw, &force_speed);
}
/** ixgbe_reset_phy_t_X550em - Performs X557 PHY reset and enables LASI
* @hw: pointer to hardware structure
**/
static int ixgbe_reset_phy_t_X550em(struct ixgbe_hw *hw)
{
int status;
status = ixgbe_reset_phy_generic(hw);
if (status)
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
**/
static int ixgbe_led_on_t_x550em(struct ixgbe_hw *hw, u32 led_idx)
{
u16 phy_data;
if (led_idx >= IXGBE_X557_MAX_LED_INDEX)
return -EINVAL;
/* To turn on the LED, set mode to ON. */
hw->phy.ops.read_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
MDIO_MMD_VEND1, &phy_data);
phy_data |= IXGBE_X557_LED_MANUAL_SET_MASK;
hw->phy.ops.write_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
MDIO_MMD_VEND1, phy_data);
return 0;
}
/**
* ixgbe_led_off_t_x550em - Turns off the software controllable LEDs.
* @hw: pointer to hardware structure
* @led_idx: led number to turn off
**/
static int ixgbe_led_off_t_x550em(struct ixgbe_hw *hw, u32 led_idx)
{
u16 phy_data;
if (led_idx >= IXGBE_X557_MAX_LED_INDEX)
return -EINVAL;
/* To turn on the LED, set mode to ON. */
hw->phy.ops.read_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
MDIO_MMD_VEND1, &phy_data);
phy_data &= ~IXGBE_X557_LED_MANUAL_SET_MASK;
hw->phy.ops.write_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
MDIO_MMD_VEND1, phy_data);
return 0;
}
/**
* 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 0
* else returns -EBUSY when encountering an error acquiring
* semaphore, -EIO when command fails or -ENIVAL when incorrect
* params passed.
**/
static int 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;
int ret_val;
int i;
if (!len || !driver_ver || (len > sizeof(fw_cmd.driver_string)))
return -EINVAL;
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)
continue;
if (fw_cmd.hdr.cmd_or_resp.ret_status !=
FW_CEM_RESP_STATUS_SUCCESS)
return -EIO;
return 0;
}
return ret_val;
}
/** 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.
**/
static int ixgbe_get_lcd_t_x550em(struct ixgbe_hw *hw,
ixgbe_link_speed *lcd_speed)
{
u16 word = hw->eeprom.ctrl_word_3;
u16 an_lp_status;
int status;
*lcd_speed = IXGBE_LINK_SPEED_UNKNOWN;
status = hw->phy.ops.read_reg(hw, IXGBE_AUTO_NEG_LP_STATUS,
MDIO_MMD_AN,
&an_lp_status);
if (status)
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 0;
}
/* 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 0;
/* Link partner not capable of lower speeds, return 10G */
*lcd_speed = IXGBE_LINK_SPEED_10GB_FULL;
return 0;
}
/**
* ixgbe_setup_fc_x550em - Set up flow control
* @hw: pointer to hardware structure
*/
static int ixgbe_setup_fc_x550em(struct ixgbe_hw *hw)
{
bool pause, asm_dir;
u32 reg_val;
int rc = 0;
/* Validate the requested mode */
if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
hw_err(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
return -EINVAL;
}
/* 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 = false;
asm_dir = false;
break;
case ixgbe_fc_tx_pause:
pause = false;
asm_dir = true;
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.
*/
fallthrough;
case ixgbe_fc_full:
pause = true;
asm_dir = true;
break;
default:
hw_err(hw, "Flow control param set incorrectly\n");
return -EIO;
}
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:
rc = hw->mac.ops.read_iosf_sb_reg(hw,
IXGBE_KRM_AN_CNTL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY,
®_val);
if (rc)
return rc;
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;
rc = 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;
}
return rc;
}
/**
* ixgbe_fc_autoneg_backplane_x550em_a - Enable flow control IEEE clause 37
* @hw: pointer to hardware structure
**/
static void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *hw)
{
u32 link_s1, lp_an_page_low, an_cntl_1;
ixgbe_link_speed speed;
int status = -EIO;
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) {
hw_err(hw, "Flow control autoneg is disabled");
goto out;
}
hw->mac.ops.check_link(hw, &speed, &link_up, false);
if (!link_up) {
hw_err(hw, "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 || (link_s1 & IXGBE_KRM_LINK_S1_MAC_AN_COMPLETE) == 0) {
hw_dbg(hw, "Auto-Negotiation did not complete\n");
status = -EIO;
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) {
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) {
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) {
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
**/
static 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_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.
**/
static int ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw)
{
u16 an_10g_cntl_reg, autoneg_reg, speed;
ixgbe_link_speed lcd_speed;
u32 save_autoneg;
bool link_up;
int status;
/* If blocked by MNG FW, then don't restart AN */
if (ixgbe_check_reset_blocked(hw))
return 0;
status = ixgbe_ext_phy_t_x550em_get_link(hw, &link_up);
if (status)
return status;
status = hw->eeprom.ops.read(hw, NVM_INIT_CTRL_3,
&hw->eeprom.ctrl_word_3);
if (status)
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)
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,
MDIO_MMD_AN,
&speed);
if (status)
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)
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 0;
/* Clear AN completed indication */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_TX_ALARM,
MDIO_MMD_AN,
&autoneg_reg);
if (status)
return status;
status = hw->phy.ops.read_reg(hw, MDIO_AN_10GBT_CTRL,
MDIO_MMD_AN,
&an_10g_cntl_reg);
if (status)
return status;
status = hw->phy.ops.read_reg(hw,
IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
MDIO_MMD_AN,
&autoneg_reg);
if (status)
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_reset_phy_fw - Reset firmware-controlled PHYs
* @hw: pointer to hardware structure
*/
static int ixgbe_reset_phy_fw(struct ixgbe_hw *hw)
{
u32 store[FW_PHY_ACT_DATA_COUNT] = { 0 };
int rc;
if (hw->phy.reset_disable || ixgbe_check_reset_blocked(hw))
return 0;
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
*
* Return true when an overtemp event detected, otherwise false.
*/
static bool ixgbe_check_overtemp_fw(struct ixgbe_hw *hw)
{
u32 store[FW_PHY_ACT_DATA_COUNT] = { 0 };
int rc;
rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &store);
if (rc)
return false;
if (store[0] & FW_PHY_ACT_GET_LINK_INFO_TEMP) {
ixgbe_shutdown_fw_phy(hw);
return true;
}
return false;
}
/**
* 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.
*/
static void 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.mdio.prtad = FIELD_GET(IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD,
hw->phy.nw_mng_if_sel);
}
}
/** 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.
**/
static int ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
{
struct ixgbe_phy_info *phy = &hw->phy;
int ret_val;
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);
}
/* Identify the PHY or SFP module */
ret_val = phy->ops.identify(hw);
if (ret_val == -EOPNOTSUPP || ret_val == -EFAULT)
return ret_val;
/* Setup function pointers based on detected hardware */
ixgbe_init_mac_link_ops_X550em(hw);
if (phy->sfp_type != ixgbe_sfp_type_unknown)
phy->ops.reset = NULL;
/* Set functions pointers based on phy type */
switch (hw->phy.type) {
case ixgbe_phy_x550em_kx4:
phy->ops.setup_link = NULL;
phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
break;
case ixgbe_phy_x550em_kr:
phy->ops.setup_link = ixgbe_setup_kr_x550em;
phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
break;
case ixgbe_phy_x550em_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:
/* Save NW management interface connected on board. This is used
* to determine internal PHY mode
*/
phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL);
/* If internal link mode is XFI, then setup iXFI internal link,
* else setup KR now.
*/
phy->ops.setup_internal_link =
ixgbe_setup_internal_phy_t_x550em;
/* setup SW LPLU only for first revision */
if (hw->mac.type == ixgbe_mac_X550EM_x &&
!(IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0)) &
IXGBE_FUSES0_REV_MASK))
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;
case ixgbe_phy_ext_1g_t:
phy->ops.setup_link = NULL;
phy->ops.read_reg = NULL;
phy->ops.write_reg = NULL;
phy->ops.reset = NULL;
break;
default:
break;
}
return ret_val;
}
/** ixgbe_get_media_type_X550em - Get media type
* @hw: pointer to hardware structure
*
* Returns the media type (fiber, copper, backplane)
*
*/
static enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw)
{
enum ixgbe_media_type media_type;
/* Detect if there is a copper PHY attached. */
switch (hw->device_id) {
case IXGBE_DEV_ID_X550EM_A_SGMII:
case IXGBE_DEV_ID_X550EM_A_SGMII_L:
hw->phy.type = ixgbe_phy_sgmii;
fallthrough;
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:
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:
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_init_ext_t_x550em - Start (unstall) the external Base T PHY.
** @hw: pointer to hardware structure
**/
static int ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw)
{
int status;
u16 reg;
status = hw->phy.ops.read_reg(hw,
IXGBE_MDIO_TX_VENDOR_ALARMS_3,
MDIO_MMD_PMAPMD,
®);
if (status)
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,
MDIO_MMD_VEND1,
®);
if (status)
return status;
reg &= ~IXGBE_MDIO_POWER_UP_STALL;
status = hw->phy.ops.write_reg(hw,
IXGBE_MDIO_GLOBAL_RES_PR_10,
MDIO_MMD_VEND1,
reg);
if (status)
return status;
}
return status;
}
/**
* 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:
/* 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.
**/
static int ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
{
u32 swfw_mask = hw->phy.phy_semaphore_mask;
ixgbe_link_speed link_speed;
bool link_up = false;
u32 ctrl = 0;
int status;
u32 i;
/* Call adapter stop to disable Tx/Rx and clear interrupts */
status = hw->mac.ops.stop_adapter(hw);
if (status)
return status;
/* flush pending Tx transactions */
ixgbe_clear_tx_pending(hw);
/* set MDIO speed before talking to the PHY in case it's the 1st time */
ixgbe_set_mdio_speed(hw);
/* PHY ops must be identified and initialized prior to reset */
status = hw->phy.ops.init(hw);
if (status == -EOPNOTSUPP || status == -EFAULT)
return status;
/* start the external PHY */
if (hw->phy.type == ixgbe_phy_x550em_ext_t) {
status = ixgbe_init_ext_t_x550em(hw);
if (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 == -EOPNOTSUPP)
return status;
/* Reset PHY */
if (!hw->phy.reset_disable && hw->phy.ops.reset)
hw->phy.ops.reset(hw);
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) {
hw_dbg(hw, "semaphore failed with %d", status);
return -EBUSY;
}
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);
usleep_range(1000, 1200);
/* Poll for reset bit to self-clear meaning reset is complete */
for (i = 0; i < 10; i++) {
ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
if (!(ctrl & IXGBE_CTRL_RST_MASK))
break;
udelay(1);
}
if (ctrl & IXGBE_CTRL_RST_MASK) {
status = -EIO;
hw_dbg(hw, "Reset polling failed to complete.\n");
}
msleep(50);
/* Double resets are required for recovery from certain error
* clear the multicast table. Also reset num_rar_entries to 128,
* since we modify this value when programming the SAN MAC address.
*/
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);
return status;
}
/** ixgbe_set_ethertype_anti_spoofing_X550 - Enable/Disable 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
**/
static 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;
pfvfspoof = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
if (enable)
pfvfspoof |= BIT(vf_target_shift);
else
pfvfspoof &= ~BIT(vf_target_shift);
IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), pfvfspoof);
}
/** ixgbe_set_source_address_pruning_X550 - Enable/Disbale src address pruning
* @hw: pointer to hardware structure
* @enable: enable or disable source address pruning
* @pool: Rx pool to set source address pruning for
**/
static 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_setup_fc_backplane_x550em_a - Set up flow control
* @hw: pointer to hardware structure
*
* Called at init time to set up flow control.
**/
static int ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw)
{
u32 an_cntl = 0;
int status = 0;
/* Validate the requested mode */
if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
hw_err(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
return -EINVAL;
}
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) {
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:
hw_err(hw, "Flow control param set incorrectly\n");
return -EIO;
}
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
*/
static int ixgbe_acquire_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask)
{
int status;
status = ixgbe_acquire_swfw_sync_X540(hw, mask);
if (status)
return status;
if (mask & IXGBE_GSSR_I2C_MASK)
ixgbe_set_mux(hw, 1);
return 0;
}
/**
* 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
*/
static void ixgbe_release_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask)
{
if (mask & IXGBE_GSSR_I2C_MASK)
ixgbe_set_mux(hw, 0);
ixgbe_release_swfw_sync_X540(hw, mask);
}
/**
* ixgbe_acquire_swfw_sync_x550em_a - 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 int ixgbe_acquire_swfw_sync_x550em_a(struct ixgbe_hw *hw, u32 mask)
{
u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM;
int retries = FW_PHY_TOKEN_RETRIES;
int status;
while (--retries) {
status = 0;
if (hmask)
status = ixgbe_acquire_swfw_sync_X540(hw, hmask);
if (status)
return status;
if (!(mask & IXGBE_GSSR_TOKEN_SM))
return 0;
status = ixgbe_get_phy_token(hw);
if (!status)
return 0;
if (hmask)
ixgbe_release_swfw_sync_X540(hw, hmask);
if (status != -EAGAIN)
return status;
msleep(FW_PHY_TOKEN_DELAY);
}
return status;
}
/**
* ixgbe_release_swfw_sync_x550em_a - Release SWFW semaphore
* @hw: pointer to hardware structure
* @mask: Mask to specify which semaphore to release
*
* Release the SWFW semaphore and puts the shared PHY token as needed
*/
static void ixgbe_release_swfw_sync_x550em_a(struct ixgbe_hw *hw, u32 mask)
{
u32 hmask = mask & ~IXGBE_GSSR_TOKEN_SM;
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.
*/
static int ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 *phy_data)
{
u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
int status;
if (hw->mac.ops.acquire_swfw_sync(hw, mask))
return -EBUSY;
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.
*/
static int ixgbe_write_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 phy_data)
{
u32 mask = hw->phy.phy_semaphore_mask | IXGBE_GSSR_TOKEN_SM;
int status;
if (hw->mac.ops.acquire_swfw_sync(hw, mask))
return -EBUSY;
status = ixgbe_write_phy_reg_mdi(hw, reg_addr, device_type, phy_data);
hw->mac.ops.release_swfw_sync(hw, mask);
return status;
}
#define X550_COMMON_MAC \
.init_hw = &ixgbe_init_hw_generic, \
.start_hw = &ixgbe_start_hw_X540, \
.clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic, \
.enable_rx_dma = &ixgbe_enable_rx_dma_generic, \
.get_mac_addr = &ixgbe_get_mac_addr_generic, \
.get_device_caps = &ixgbe_get_device_caps_generic, \
.stop_adapter = &ixgbe_stop_adapter_generic, \
.set_lan_id = &ixgbe_set_lan_id_multi_port_pcie, \
.read_analog_reg8 = NULL, \
.write_analog_reg8 = NULL, \
.set_rxpba = &ixgbe_set_rxpba_generic, \
.check_link = &ixgbe_check_mac_link_generic, \
.blink_led_start = &ixgbe_blink_led_start_X540, \
.blink_led_stop = &ixgbe_blink_led_stop_X540, \
.set_rar = &ixgbe_set_rar_generic, \
.clear_rar = &ixgbe_clear_rar_generic, \
.set_vmdq = &ixgbe_set_vmdq_generic, \
.set_vmdq_san_mac = &ixgbe_set_vmdq_san_mac_generic, \
.clear_vmdq = &ixgbe_clear_vmdq_generic, \
.init_rx_addrs = &ixgbe_init_rx_addrs_generic, \
.update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, \
.enable_mc = &ixgbe_enable_mc_generic, \
.disable_mc = &ixgbe_disable_mc_generic, \
.clear_vfta = &ixgbe_clear_vfta_generic, \
.set_vfta = &ixgbe_set_vfta_generic, \
.fc_enable = &ixgbe_fc_enable_generic, \
.set_fw_drv_ver = &ixgbe_set_fw_drv_ver_x550, \
.init_uta_tables = &ixgbe_init_uta_tables_generic, \
.set_mac_anti_spoofing = &ixgbe_set_mac_anti_spoofing, \
.set_vlan_anti_spoofing = &ixgbe_set_vlan_anti_spoofing, \
.set_source_address_pruning = \
&ixgbe_set_source_address_pruning_X550, \
.set_ethertype_anti_spoofing = \
&ixgbe_set_ethertype_anti_spoofing_X550, \
.disable_rx_buff = &ixgbe_disable_rx_buff_generic, \
.enable_rx_buff = &ixgbe_enable_rx_buff_generic, \
.get_thermal_sensor_data = NULL, \
.init_thermal_sensor_thresh = NULL, \
.fw_recovery_mode = &ixgbe_fw_recovery_mode_X550, \
.enable_rx = &ixgbe_enable_rx_generic, \
.disable_rx = &ixgbe_disable_rx_x550, \
static const struct ixgbe_mac_operations mac_ops_X550 = {
X550_COMMON_MAC
.led_on = ixgbe_led_on_generic,
.led_off = ixgbe_led_off_generic,
.init_led_link_act = ixgbe_init_led_link_act_generic,
.reset_hw = &ixgbe_reset_hw_X540,
.get_media_type = &ixgbe_get_media_type_X540,
.get_san_mac_addr = &ixgbe_get_san_mac_addr_generic,
.get_wwn_prefix = &ixgbe_get_wwn_prefix_generic,
.setup_link = &ixgbe_setup_mac_link_X540,
.get_link_capabilities = &ixgbe_get_copper_link_capabilities_generic,
.get_bus_info = &ixgbe_get_bus_info_generic,
.setup_sfp = NULL,
.acquire_swfw_sync = &ixgbe_acquire_swfw_sync_X540,
.release_swfw_sync = &ixgbe_release_swfw_sync_X540,
.init_swfw_sync = &ixgbe_init_swfw_sync_X540,
.prot_autoc_read = prot_autoc_read_generic,
.prot_autoc_write = prot_autoc_write_generic,
.setup_fc = ixgbe_setup_fc_generic,
.fc_autoneg = ixgbe_fc_autoneg,
};
static const struct ixgbe_mac_operations mac_ops_X550EM_x = {
X550_COMMON_MAC
.led_on = ixgbe_led_on_t_x550em,
.led_off = ixgbe_led_off_t_x550em,
.init_led_link_act = ixgbe_init_led_link_act_generic,
.reset_hw = &ixgbe_reset_hw_X550em,
.get_media_type = &ixgbe_get_media_type_X550em,
.get_san_mac_addr = NULL,
.get_wwn_prefix = NULL,
.setup_link = &ixgbe_setup_mac_link_X540,
.get_link_capabilities = &ixgbe_get_link_capabilities_X550em,
.get_bus_info = &ixgbe_get_bus_info_X550em,
.setup_sfp = ixgbe_setup_sfp_modules_X550em,
.acquire_swfw_sync = &ixgbe_acquire_swfw_sync_X550em,
.release_swfw_sync = &ixgbe_release_swfw_sync_X550em,
.init_swfw_sync = &ixgbe_init_swfw_sync_X540,
.setup_fc = NULL, /* defined later */
.fc_autoneg = ixgbe_fc_autoneg,
.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550,
.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550,
};
static const struct ixgbe_mac_operations mac_ops_X550EM_x_fw = {
X550_COMMON_MAC
.led_on = NULL,
.led_off = NULL,
.init_led_link_act = NULL,
.reset_hw = &ixgbe_reset_hw_X550em,
.get_media_type = &ixgbe_get_media_type_X550em,
.get_san_mac_addr = NULL,
.get_wwn_prefix = NULL,
.setup_link = &ixgbe_setup_mac_link_X540,
.get_link_capabilities = &ixgbe_get_link_capabilities_X550em,
.get_bus_info = &ixgbe_get_bus_info_X550em,
.setup_sfp = ixgbe_setup_sfp_modules_X550em,
.acquire_swfw_sync = &ixgbe_acquire_swfw_sync_X550em,
.release_swfw_sync = &ixgbe_release_swfw_sync_X550em,
.init_swfw_sync = &ixgbe_init_swfw_sync_X540,
.setup_fc = NULL,
.fc_autoneg = ixgbe_fc_autoneg,
.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550,
.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550,
};
static const struct ixgbe_mac_operations mac_ops_x550em_a = {
X550_COMMON_MAC
.led_on = ixgbe_led_on_t_x550em,
.led_off = ixgbe_led_off_t_x550em,
.init_led_link_act = ixgbe_init_led_link_act_generic,
.reset_hw = ixgbe_reset_hw_X550em,
.get_media_type = ixgbe_get_media_type_X550em,
.get_san_mac_addr = NULL,
.get_wwn_prefix = NULL,
.setup_link = &ixgbe_setup_mac_link_X540,
.get_link_capabilities = ixgbe_get_link_capabilities_X550em,
.get_bus_info = ixgbe_get_bus_info_X550em,
.setup_sfp = ixgbe_setup_sfp_modules_X550em,
.acquire_swfw_sync = ixgbe_acquire_swfw_sync_x550em_a,
.release_swfw_sync = ixgbe_release_swfw_sync_x550em_a,
.setup_fc = ixgbe_setup_fc_x550em,
.fc_autoneg = ixgbe_fc_autoneg,
.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550a,
.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550a,
};
static const struct ixgbe_mac_operations mac_ops_x550em_a_fw = {
X550_COMMON_MAC
.led_on = ixgbe_led_on_generic,
.led_off = ixgbe_led_off_generic,
.init_led_link_act = ixgbe_init_led_link_act_generic,
.reset_hw = ixgbe_reset_hw_X550em,
.get_media_type = ixgbe_get_media_type_X550em,
.get_san_mac_addr = NULL,
.get_wwn_prefix = NULL,
.setup_link = NULL, /* defined later */
.get_link_capabilities = ixgbe_get_link_capabilities_X550em,
.get_bus_info = ixgbe_get_bus_info_X550em,
.setup_sfp = ixgbe_setup_sfp_modules_X550em,
.acquire_swfw_sync = ixgbe_acquire_swfw_sync_x550em_a,
.release_swfw_sync = ixgbe_release_swfw_sync_x550em_a,
.setup_fc = ixgbe_setup_fc_x550em,
.fc_autoneg = ixgbe_fc_autoneg,
.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550a,
.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550a,
};
#define X550_COMMON_EEP \
.read = &ixgbe_read_ee_hostif_X550, \
.read_buffer = &ixgbe_read_ee_hostif_buffer_X550, \
.write = &ixgbe_write_ee_hostif_X550, \
.write_buffer = &ixgbe_write_ee_hostif_buffer_X550, \
.validate_checksum = &ixgbe_validate_eeprom_checksum_X550, \
.update_checksum = &ixgbe_update_eeprom_checksum_X550, \
.calc_checksum = &ixgbe_calc_eeprom_checksum_X550, \
static const struct ixgbe_eeprom_operations eeprom_ops_X550 = {
X550_COMMON_EEP
.init_params = &ixgbe_init_eeprom_params_X550,
};
static const struct ixgbe_eeprom_operations eeprom_ops_X550EM_x = {
X550_COMMON_EEP
.init_params = &ixgbe_init_eeprom_params_X540,
};
#define X550_COMMON_PHY \
.identify_sfp = &ixgbe_identify_module_generic, \
.reset = NULL, \
.setup_link_speed = &ixgbe_setup_phy_link_speed_generic, \
.read_i2c_byte = &ixgbe_read_i2c_byte_generic, \
.write_i2c_byte = &ixgbe_write_i2c_byte_generic, \
.read_i2c_sff8472 = &ixgbe_read_i2c_sff8472_generic, \
.read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic, \
.write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic, \
.setup_link = &ixgbe_setup_phy_link_generic, \
.set_phy_power = NULL,
static const struct ixgbe_phy_operations phy_ops_X550 = {
X550_COMMON_PHY
.check_overtemp = &ixgbe_tn_check_overtemp,
.init = NULL,
.identify = &ixgbe_identify_phy_generic,
.read_reg = &ixgbe_read_phy_reg_generic,
.write_reg = &ixgbe_write_phy_reg_generic,
};
static const struct ixgbe_phy_operations phy_ops_X550EM_x = {
X550_COMMON_PHY
.check_overtemp = &ixgbe_tn_check_overtemp,
.init = &ixgbe_init_phy_ops_X550em,
.identify = &ixgbe_identify_phy_x550em,
.read_reg = &ixgbe_read_phy_reg_generic,
.write_reg = &ixgbe_write_phy_reg_generic,
};
static const struct ixgbe_phy_operations phy_ops_x550em_x_fw = {
X550_COMMON_PHY
.check_overtemp = NULL,
.init = ixgbe_init_phy_ops_X550em,
.identify = ixgbe_identify_phy_x550em,
.read_reg = NULL,
.write_reg = NULL,
.read_reg_mdi = NULL,
.write_reg_mdi = NULL,
};
static const struct ixgbe_phy_operations phy_ops_x550em_a = {
X550_COMMON_PHY
.check_overtemp = &ixgbe_tn_check_overtemp,
.init = &ixgbe_init_phy_ops_X550em,
.identify = &ixgbe_identify_phy_x550em,
.read_reg = &ixgbe_read_phy_reg_x550a,
.write_reg = &ixgbe_write_phy_reg_x550a,
.read_reg_mdi = &ixgbe_read_phy_reg_mdi,
.write_reg_mdi = &ixgbe_write_phy_reg_mdi,
};
static const struct ixgbe_phy_operations phy_ops_x550em_a_fw = {
X550_COMMON_PHY
.check_overtemp = ixgbe_check_overtemp_fw,
.init = ixgbe_init_phy_ops_X550em,
.identify = ixgbe_identify_phy_fw,
.read_reg = NULL,
.write_reg = NULL,
.read_reg_mdi = NULL,
.write_reg_mdi = NULL,
};
static const struct ixgbe_link_operations link_ops_x550em_x = {
.read_link = &ixgbe_read_i2c_combined_generic,
.read_link_unlocked = &ixgbe_read_i2c_combined_generic_unlocked,
.write_link = &ixgbe_write_i2c_combined_generic,
.write_link_unlocked = &ixgbe_write_i2c_combined_generic_unlocked,
};
static const u32 ixgbe_mvals_X550[IXGBE_MVALS_IDX_LIMIT] = {
IXGBE_MVALS_INIT(X550)
};
static const u32 ixgbe_mvals_X550EM_x[IXGBE_MVALS_IDX_LIMIT] = {
IXGBE_MVALS_INIT(X550EM_x)
};
static const u32 ixgbe_mvals_x550em_a[IXGBE_MVALS_IDX_LIMIT] = {
IXGBE_MVALS_INIT(X550EM_a)
};
const struct ixgbe_info ixgbe_X550_info = {
.mac = ixgbe_mac_X550,
.get_invariants = &ixgbe_get_invariants_X540,
.mac_ops = &mac_ops_X550,
.eeprom_ops = &eeprom_ops_X550,
.phy_ops = &phy_ops_X550,
.mbx_ops = &mbx_ops_generic,
.mvals = ixgbe_mvals_X550,
};
const struct ixgbe_info ixgbe_X550EM_x_info = {
.mac = ixgbe_mac_X550EM_x,
.get_invariants = &ixgbe_get_invariants_X550_x,
.mac_ops = &mac_ops_X550EM_x,
.eeprom_ops = &eeprom_ops_X550EM_x,
.phy_ops = &phy_ops_X550EM_x,
.mbx_ops = &mbx_ops_generic,
.mvals = ixgbe_mvals_X550EM_x,
.link_ops = &link_ops_x550em_x,
};
const struct ixgbe_info ixgbe_x550em_x_fw_info = {
.mac = ixgbe_mac_X550EM_x,
.get_invariants = ixgbe_get_invariants_X550_x_fw,
.mac_ops = &mac_ops_X550EM_x_fw,
.eeprom_ops = &eeprom_ops_X550EM_x,
.phy_ops = &phy_ops_x550em_x_fw,
.mbx_ops = &mbx_ops_generic,
.mvals = ixgbe_mvals_X550EM_x,
};
const struct ixgbe_info ixgbe_x550em_a_info = {
.mac = ixgbe_mac_x550em_a,
.get_invariants = &ixgbe_get_invariants_X550_a,
.mac_ops = &mac_ops_x550em_a,
.eeprom_ops = &eeprom_ops_X550EM_x,
.phy_ops = &phy_ops_x550em_a,
.mbx_ops = &mbx_ops_generic,
.mvals = ixgbe_mvals_x550em_a,
};
const struct ixgbe_info ixgbe_x550em_a_fw_info = {
.mac = ixgbe_mac_x550em_a,
.get_invariants = ixgbe_get_invariants_X550_a_fw,
.mac_ops = &mac_ops_x550em_a_fw,
.eeprom_ops = &eeprom_ops_X550EM_x,
.phy_ops = &phy_ops_x550em_a_fw,
.mbx_ops = &mbx_ops_generic,
.mvals = ixgbe_mvals_x550em_a,
};
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