Release 4.7 drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
/*******************************************************************************
*
* Intel 10 Gigabit PCI Express Linux driver
* Copyright(c) 1999 - 2016 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* Linux NICS <linux.nics@intel.com>
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
******************************************************************************/
#include "ixgbe_x540.h"
#include "ixgbe_type.h"
#include "ixgbe_common.h"
#include "ixgbe_phy.h"
static s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *, ixgbe_link_speed);
static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *);
static s32 ixgbe_get_invariants_X550_x(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;
}
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/** 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);
}
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/**
* ixgbe_read_cs4227 - Read CS4227 register
* @hw: pointer to hardware structure
* @reg: register number to write
* @value: pointer to receive value read
*
* Returns status code
*/
static s32 ixgbe_read_cs4227(struct ixgbe_hw *hw, u16 reg, u16 *value)
{
return hw->phy.ops.read_i2c_combined_unlocked(hw, IXGBE_CS4227, reg,
value);
}
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/**
* ixgbe_write_cs4227 - Write CS4227 register
* @hw: pointer to hardware structure
* @reg: register number to write
* @value: value to write to register
*
* Returns status code
*/
static s32 ixgbe_write_cs4227(struct ixgbe_hw *hw, u16 reg, u16 value)
{
return hw->phy.ops.write_i2c_combined_unlocked(hw, IXGBE_CS4227, reg,
value);
}
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/**
* ixgbe_read_pe - Read register from port expander
* @hw: pointer to hardware structure
* @reg: register number to read
* @value: pointer to receive read value
*
* Returns status code
*/
static s32 ixgbe_read_pe(struct ixgbe_hw *hw, u8 reg, u8 *value)
{
s32 status;
status = ixgbe_read_i2c_byte_generic_unlocked(hw, reg, IXGBE_PE, value);
if (status)
hw_err(hw, "port expander access failed with %d\n", status);
return status;
}
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/**
* ixgbe_write_pe - Write register to port expander
* @hw: pointer to hardware structure
* @reg: register number to write
* @value: value to write
*
* Returns status code
*/
static s32 ixgbe_write_pe(struct ixgbe_hw *hw, u8 reg, u8 value)
{
s32 status;
status = ixgbe_write_i2c_byte_generic_unlocked(hw, reg, IXGBE_PE,
value);
if (status)
hw_err(hw, "port expander access failed with %d\n", status);
return status;
}
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/**
* ixgbe_reset_cs4227 - Reset CS4227 using port expander
* @hw: pointer to hardware structure
*
* This function assumes that the caller has acquired the proper semaphore.
* Returns error code
*/
static s32 ixgbe_reset_cs4227(struct ixgbe_hw *hw)
{
s32 status;
u32 retry;
u16 value;
u8 reg;
/* Trigger hard reset. */
status = ixgbe_read_pe(hw, IXGBE_PE_OUTPUT, ®);
if (status)
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 IXGBE_ERR_PHY;
}
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 IXGBE_ERR_PHY;
}
return 0;
}
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/**
* 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;
s32 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);
}
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/** ixgbe_identify_phy_x550em - Get PHY type based on device id
* @hw: pointer to hardware structure
*
* Returns error code
*/
static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
{
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_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_X_1G_T:
case IXGBE_DEV_ID_X550EM_X_10G_T:
return ixgbe_identify_phy_generic(hw);
default:
break;
}
return 0;
}
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static s32 ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 *phy_data)
{
return IXGBE_NOT_IMPLEMENTED;
}
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static s32 ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 phy_data)
{
return IXGBE_NOT_IMPLEMENTED;
}
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/** 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 s32 ixgbe_init_eeprom_params_X550(struct ixgbe_hw *hw)
{
struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
u32 eec;
u16 eeprom_size;
if (eeprom->type == ixgbe_eeprom_uninitialized) {
eeprom->semaphore_delay = 10;
eeprom->type = ixgbe_flash;
eec = IXGBE_READ_REG(hw, IXGBE_EEC(hw));
eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >>
IXGBE_EEC_SIZE_SHIFT);
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;
}
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/**
* 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 s32 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 IXGBE_ERR_PHY;
}
return 0;
}
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/** 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 s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u32 *data)
{
u32 gssr = IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_PHY0_SM;
u32 command, error;
s32 ret;
ret = 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 = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
hw_dbg(hw, "Failed to read, error %x\n", error);
return IXGBE_ERR_PHY;
}
if (!ret)
*data = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_DATA);
out:
hw->mac.ops.release_swfw_sync(hw, gssr);
return ret;
}
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/**
* ixgbe_get_phy_token - Get the token for shared PHY access
* @hw: Pointer to hardware structure
*/
static s32 ixgbe_get_phy_token(struct ixgbe_hw *hw)
{
struct ixgbe_hic_phy_token_req token_cmd;
s32 status;
token_cmd.hdr.cmd = FW_PHY_TOKEN_REQ_CMD;
token_cmd.hdr.buf_len = FW_PHY_TOKEN_REQ_LEN;
token_cmd.hdr.cmd_or_resp.cmd_resv = 0;
token_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
token_cmd.port_number = hw->bus.lan_id;
token_cmd.command_type = FW_PHY_TOKEN_REQ;
token_cmd.pad = 0;
status = ixgbe_host_interface_command(hw, &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 IXGBE_ERR_FW_RESP_INVALID;
return IXGBE_ERR_TOKEN_RETRY;
}
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/**
* ixgbe_put_phy_token - Put the token for shared PHY access
* @hw: Pointer to hardware structure
*/
static s32 ixgbe_put_phy_token(struct ixgbe_hw *hw)
{
struct ixgbe_hic_phy_token_req token_cmd;
s32 status;
token_cmd.hdr.cmd = FW_PHY_TOKEN_REQ_CMD;
token_cmd.hdr.buf_len = FW_PHY_TOKEN_REQ_LEN;
token_cmd.hdr.cmd_or_resp.cmd_resv = 0;
token_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
token_cmd.port_number = hw->bus.lan_id;
token_cmd.command_type = FW_PHY_TOKEN_REL;
token_cmd.pad = 0;
status = ixgbe_host_interface_command(hw, &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 IXGBE_ERR_FW_RESP_INVALID;
}
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/**
* 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 s32 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);
}
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/**
* 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 s32 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;
s32 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;
}
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/** ixgbe_read_ee_hostif_data_X550 - Read EEPROM word using a host interface
* command assuming that the semaphore is already obtained.
* @hw: pointer to hardware structure
* @offset: offset of word in the EEPROM to read
* @data: word read from the EEPROM
*
* Reads a 16 bit word from the EEPROM using the hostif.
**/
static s32 ixgbe_read_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
u16 *data)
{
s32 status;
struct ixgbe_hic_read_shadow_ram buffer;
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 = cpu_to_be32(offset * 2);
/* one word */
buffer.length = cpu_to_be16(sizeof(u16));
status = ixgbe_host_interface_command(hw, &buffer, sizeof(buffer),
IXGBE_HI_COMMAND_TIMEOUT, false);
if (status)
return status;
*data = (u16)IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG,
FW_NVM_DATA_OFFSET);
return 0;
}
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/** 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 s32 ixgbe_read_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
u16 offset, u16 words, u16 *data)
{
struct ixgbe_hic_read_shadow_ram buffer;
u32 current_word = 0;
u16 words_to_read;
s32 status;
u32 i;
/* Take semaphore for the entire operation. */
status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
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 = cpu_to_be32((offset + current_word) * 2);
buffer.length = cpu_to_be16(words_to_read * 2);
status = ixgbe_host_interface_command(hw, &buffer,
sizeof(buffer),
IXGBE_HI_COMMAND_TIMEOUT,
false);
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, IXGBE_GSSR_EEP_SM);
return status;
}
Contributors
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| mark d. rustad | mark d. rustad | 200 | 64.72% | 1 | 50.00% |
| donald skidmore | donald skidmore | 109 | 35.28% | 1 | 50.00% |
| Total | 309 | 100.00% | 2 | 100.00% |
/** 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 s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr,
u16 size, u16 *csum, u16 *buffer,
u32 buffer_size)
{
u16 buf[256];
s32 status;
u16 length, bufsz, i, start;
u16 *local_buffer;
bufsz = sizeof(buf) / sizeof(buf[0]);
/* Read a chunk at the pointer location */
if (!buffer) {
status = ixgbe_read_ee_hostif_buffer_X550(hw, ptr, bufsz, buf);
if (status) {
hw_dbg(hw, "Failed to read EEPROM image\n");
return status;
}
local_buffer = buf;
} else {
if (buffer_size < ptr)
return IXGBE_ERR_PARAM;
local_buffer = &buffer[ptr];
}
if (size) {
start = 0;
length = size;
} else {
start = 1;
length = local_buffer[0];
/* Skip pointer section if length is invalid. */
if (length == 0xFFFF || length == 0 ||
(ptr + length) >= hw->eeprom.word_size)
return 0;
}
if (buffer && ((u32)start + (u32)length > buffer_size))
return IXGBE_ERR_PARAM;
for (i = start; length; i++, length--) {
if (i == bufsz && !buffer) {
ptr += bufsz;
i = 0;
if (length < bufsz)
bufsz = length;
/* Read a chunk at the pointer location */
status = ixgbe_read_ee_hostif_buffer_X550(hw, ptr,
bufsz, buf);
if (status) {
hw_dbg(hw, "Failed to read EEPROM image\n");
return status;
}
}
*csum += local_buffer[i];
}
return 0;
}
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| donald skidmore | donald skidmore | 287 | 100.00% | 1 | 100.00% |
| Total | 287 | 100.00% | 1 | 100.00% |
/** 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 s32 ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer,
u32 buffer_size)
{
u16 eeprom_ptrs[IXGBE_EEPROM_LAST_WORD + 1];
u16 *local_buffer;
s32 status;
u16 checksum = 0;
u16 pointer, i, size;
hw->eeprom.ops.init_params(hw);
if (!buffer) {
/* Read pointer area */
status = ixgbe_read_ee_hostif_buffer_X550(hw, 0,
IXGBE_EEPROM_LAST_WORD + 1,
eeprom_ptrs);
if (status) {
hw_dbg(hw, "Failed to read EEPROM image\n");
return status;
}
local_buffer = eeprom_ptrs;
} else {
if (buffer_size < IXGBE_EEPROM_LAST_WORD)
return IXGBE_ERR_PARAM;
local_buffer = buffer;
}
/* For X550 hardware include 0x0-0x41 in the checksum, skip the
* checksum word itself
*/
for (i = 0; i <= IXGBE_EEPROM_LAST_WORD; i++)
if (i != IXGBE_EEPROM_CHECKSUM)
checksum += local_buffer[i];
/* Include all data from pointers 0x3, 0x6-0xE. This excludes the
* FW, PHY module, and PCIe Expansion/Option ROM pointers.
*/
for (i = IXGBE_PCIE_ANALOG_PTR_X550; i < IXGBE_FW_PTR; i++) {
if (i == IXGBE_PHY_PTR || i == IXGBE_OPTION_ROM_PTR)
continue;
pointer = local_buffer[i];
/* Skip pointer section if the pointer is invalid. */
if (pointer == 0xFFFF || pointer == 0 ||
pointer >= hw->eeprom.word_size)
continue;
switch (i) {
case IXGBE_PCIE_GENERAL_PTR:
size = IXGBE_IXGBE_PCIE_GENERAL_SIZE;
break;
case IXGBE_PCIE_CONFIG0_PTR:
case IXGBE_PCIE_CONFIG1_PTR:
size = IXGBE_PCIE_CONFIG_SIZE;
break;
default:
size = 0;
break;
}
status = ixgbe_checksum_ptr_x550(hw, pointer, size, &checksum,
buffer, buffer_size);
if (status)
return status;
}
checksum = (u16)IXGBE_EEPROM_SUM - checksum;
return (s32)checksum;
}
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| donald skidmore | donald skidmore | 267 | 100.00% | 2 | 100.00% |
| Total | 267 | 100.00% | 2 | 100.00% |
/** 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 s32 ixgbe_calc_eeprom_checksum_X550(struct ixgbe_hw *hw)
{
return ixgbe_calc_checksum_X550(hw, NULL, 0);
}
Contributors
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| donald skidmore | donald skidmore | 21 | 100.00% | 2 | 100.00% |
| Total | 21 | 100.00% | 2 | 100.00% |
/** 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 s32 ixgbe_read_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 *data)
{
s32 status = 0;
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) == 0) {
status = ixgbe_read_ee_hostif_data_X550(hw, offset, data);
hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
} else {
status = IXGBE_ERR_SWFW_SYNC;
}
return status;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 76 | 100.00% | 2 | 100.00% |
| Total | 76 | 100.00% | 2 | 100.00% |
/** 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 s32 ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw,
u16 *checksum_val)
{
s32 status;
u16 checksum;
u16 read_checksum = 0;
/* Read the first word from the EEPROM. If this times out or fails, do
* not continue or we could be in for a very long wait while every
* EEPROM read fails
*/
status = hw->eeprom.ops.read(hw, 0, &checksum);
if (status) {
hw_dbg(hw, "EEPROM read failed\n");
return status;
}
status = hw->eeprom.ops.calc_checksum(hw);
if (status < 0)
return status;
checksum = (u16)(status & 0xffff);
status = ixgbe_read_ee_hostif_X550(hw, IXGBE_EEPROM_CHECKSUM,
&read_checksum);
if (status)
return status;
/* Verify read checksum from EEPROM is the same as
* calculated checksum
*/
if (read_checksum != checksum) {
status = IXGBE_ERR_EEPROM_CHECKSUM;
hw_dbg(hw, "Invalid EEPROM checksum");
}
/* If the user cares, return the calculated checksum */
if (checksum_val)
*checksum_val = checksum;
return status;
}
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| donald skidmore | donald skidmore | 146 | 100.00% | 2 | 100.00% |
| Total | 146 | 100.00% | 2 | 100.00% |
/** 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 s32 ixgbe_write_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
u16 data)
{
s32 status;
struct ixgbe_hic_write_shadow_ram buffer;
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;
}
Contributors
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| donald skidmore | donald skidmore | 116 | 100.00% | 2 | 100.00% |
| Total | 116 | 100.00% | 2 | 100.00% |
/** 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 s32 ixgbe_write_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 data)
{
s32 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 = IXGBE_ERR_SWFW_SYNC;
}
return status;
}
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| donald skidmore | donald skidmore | 82 | 100.00% | 2 | 100.00% |
| Total | 82 | 100.00% | 2 | 100.00% |
/** 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 s32 ixgbe_update_flash_X550(struct ixgbe_hw *hw)
{
s32 status = 0;
union ixgbe_hic_hdr2 buffer;
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 74 | 100.00% | 2 | 100.00% |
| Total | 74 | 100.00% | 2 | 100.00% |
/**
* 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 s32 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;
}
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| donald skidmore | donald skidmore | 49 | 100.00% | 2 | 100.00% |
| Total | 49 | 100.00% | 2 | 100.00% |
/** ixgbe_disable_rx_x550 - Disable RX unit
*
* Enables the Rx DMA unit for x550
**/
static void ixgbe_disable_rx_x550(struct ixgbe_hw *hw)
{
u32 rxctrl, pfdtxgswc;
s32 status;
struct ixgbe_hic_disable_rxen fw_cmd;
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);
}
}
}
}
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| donald skidmore | donald skidmore | 182 | 100.00% | 1 | 100.00% |
| Total | 182 | 100.00% | 1 | 100.00% |
/** 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 s32 ixgbe_update_eeprom_checksum_X550(struct ixgbe_hw *hw)
{
s32 status;
u16 checksum = 0;
/* 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 103 | 100.00% | 2 | 100.00% |
| Total | 103 | 100.00% | 2 | 100.00% |
/** 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 s32 ixgbe_write_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
u16 offset, u16 words,
u16 *data)
{
s32 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;
}
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| donald skidmore | donald skidmore | 124 | 100.00% | 2 | 100.00% |
| Total | 124 | 100.00% | 2 | 100.00% |
/** 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 s32 ixgbe_write_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u32 data)
{
u32 gssr = IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_PHY0_SM;
u32 command, error;
s32 ret;
ret = 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 = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
hw_dbg(hw, "Failed to write, error %x\n", error);
return IXGBE_ERR_PHY;
}
out:
hw->mac.ops.release_swfw_sync(hw, gssr);
return ret;
}
Contributors
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| donald skidmore | donald skidmore | 171 | 100.00% | 1 | 100.00% |
| Total | 171 | 100.00% | 1 | 100.00% |
/** ixgbe_setup_ixfi_x550em - Configure the KR PHY for iXFI mode.
* @hw: pointer to hardware structure
* @speed: the link speed to force
*
* Configures the integrated KR PHY to use iXFI mode. Used to connect an
* internal and external PHY at a specific speed, without autonegotiation.
**/
static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
{
s32 status;
u32 reg_val;
/* Disable AN and force speed to 10G Serial. */
status = ixgbe_read_iosf_sb_reg_x550(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
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 IXGBE_ERR_LINK_SETUP;
}
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;
/* 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);
if (status)
return status;
/* Toggle port SW reset by AN reset. */
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_RESTART;
status = ixgbe_write_iosf_sb_reg_x550(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
return status;
}
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/**
* ixgbe_supported_sfp_modules_X550em - Check if SFP module type is supported
* @hw: pointer to hardware structure
* @linear: true if SFP module is linear
*/
static s32 ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear)
{
switch (hw->phy.sfp_type) {
case ixgbe_sfp_type_not_present:
return IXGBE_ERR_SFP_NOT_PRESENT;
case ixgbe_sfp_type_da_cu_core0:
case ixgbe_sfp_type_da_cu_core1:
*linear = true;
break;
case ixgbe_sfp_type_srlr_core0:
case ixgbe_sfp_type_srlr_core1:
case ixgbe_sfp_type_da_act_lmt_core0:
case ixgbe_sfp_type_da_act_lmt_core1:
case ixgbe_sfp_type_1g_sx_core0:
case ixgbe_sfp_type_1g_sx_core1:
case ixgbe_sfp_type_1g_lx_core0:
case ixgbe_sfp_type_1g_lx_core1:
*linear = false;
break;
case ixgbe_sfp_type_unknown:
case ixgbe_sfp_type_1g_cu_core0:
case ixgbe_sfp_type_1g_cu_core1:
default:
return IXGBE_ERR_SFP_NOT_SUPPORTED;
}
return 0;
}
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/**
* ixgbe_setup_mac_link_sfp_x550em - Configure the KR PHY for SFP.
* @hw: pointer to hardware structure
*
* Configures the extern PHY and the integrated KR PHY for SFP support.
*/
static s32
ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
__always_unused bool autoneg_wait_to_complete)
{
s32 status;
u16 slice, value;
bool setup_linear = false;
/* 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 == IXGBE_ERR_SFP_NOT_PRESENT)
return 0;
if (status)
return status;
if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
/* Configure CS4227 LINE side to 10G SR. */
slice = IXGBE_CS4227_LINE_SPARE22_MSB + (hw->bus.lan_id << 12);
value = IXGBE_CS4227_SPEED_10G;
status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227,
slice, value);
if (status)
goto i2c_err;
slice = IXGBE_CS4227_LINE_SPARE24_LSB + (hw->bus.lan_id << 12);
value = (IXGBE_CS4227_EDC_MODE_SR << 1) | 1;
status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227,
slice, value);
if (status)
goto i2c_err;
/* Configure CS4227 for HOST connection rate then type. */
slice = IXGBE_CS4227_HOST_SPARE22_MSB + (hw->bus.lan_id << 12);
value = speed & IXGBE_LINK_SPEED_10GB_FULL ?
IXGBE_CS4227_SPEED_10G : IXGBE_CS4227_SPEED_1G;
status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227,
slice, value);
if (status)
goto i2c_err;
slice = IXGBE_CS4227_HOST_SPARE24_LSB + (hw->bus.lan_id << 12);
if (setup_linear)
value = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 1;
else
value = (IXGBE_CS4227_EDC_MODE_SR << 1) | 1;
status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227,
slice, value);
if (status)
goto i2c_err;
/* Setup XFI internal link. */
status = ixgbe_setup_ixfi_x550em(hw, &speed);
if (status) {
hw_dbg(hw, "setup_ixfi failed with %d\n", status);
return status;
}
} else {
/* Configure internal PHY for KR/KX. */
status = ixgbe_setup_kr_speed_x550em(hw, speed);
if (status) {
hw_dbg(hw, "setup_kr_speed failed with %d\n", status);
return status;
}
/* Configure CS4227 LINE side to proper mode. */
slice = IXGBE_CS4227_LINE_SPARE24_LSB + (hw->bus.lan_id << 12);
if (setup_linear)
value = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 1;
else
value = (IXGBE_CS4227_EDC_MODE_SR << 1) | 1;
status = ixgbe_write_i2c_combined_generic(hw, IXGBE_CS4227,
slice, value);
if (status)
goto i2c_err;
}
return 0;
i2c_err:
hw_dbg(hw, "combined i2c access failed with %d\n", status);
return status;
}
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/**
* ixgbe_setup_mac_link_sfp_n - Setup internal PHY for native SFP
* @hw: pointer to hardware structure
*
* Configure the the integrated PHY for native SFP support.
*/
static s32
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;
s32 rc;
/* Check if SFP module is supported and linear */
rc = 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 (rc == IXGBE_ERR_SFP_NOT_PRESENT)
return 0;
if (!rc)
return rc;
/* Configure internal PHY for native SFI */
rc = hw->mac.ops.read_iosf_sb_reg(hw,
IXGBE_KRM_AN_CNTL_8(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY,
®_phy_int);
if (rc)
return rc;
if (setup_linear) {
reg_phy_int &= ~IXGBE_KRM_AN_CNTL_8_LIMITING;
reg_phy_int |= IXGBE_KRM_AN_CNTL_8_LINEAR;
} else {
reg_phy_int |= IXGBE_KRM_AN_CNTL_8_LIMITING;
reg_phy_int &= ~IXGBE_KRM_AN_CNTL_8_LINEAR;
}
rc = hw->mac.ops.write_iosf_sb_reg(hw,
IXGBE_KRM_AN_CNTL_8(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY,
reg_phy_int);
if (rc)
return rc;
/* Setup XFI/SFI internal link */
return ixgbe_setup_ixfi_x550em(hw, &speed);
}
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/**
* ixgbe_setup_mac_link_sfp_x550a - Setup internal PHY for SFP
* @hw: pointer to hardware structure
*
* Configure the the integrated PHY for SFP support.
*/
static s32
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;
s32 rc;
/* Check if SFP module is supported and linear */
rc = 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 (rc == IXGBE_ERR_SFP_NOT_PRESENT)
return 0;
if (!rc)
return rc;
/* Configure internal PHY for KR/KX. */
ixgbe_setup_kr_speed_x550em(hw, speed);
if (!hw->phy.mdio.prtad || hw->phy.mdio.prtad == 0xFFFF)
return IXGBE_ERR_PHY_ADDR_INVALID;
/* Get external PHY device id */
rc = hw->phy.ops.read_reg(hw, IXGBE_CS4227_GLOBAL_ID_MSB,
IXGBE_MDIO_ZERO_DEV_TYPE, ®_phy_ext);
if (rc)
return rc;
/* When configuring quad port CS4223, the MAC instance is part
* of the slice offset.
*/
if (reg_phy_ext == IXGBE_CS4223_PHY_ID)
slice_offset = (hw->bus.lan_id +
(hw->bus.instance_id << 1)) << 12;
else
slice_offset = hw->bus.lan_id << 12;
/* Configure CS4227/CS4223 LINE side to proper mode. */
reg_slice = IXGBE_CS4227_LINE_SPARE24_LSB + slice_offset;
if (setup_linear)
reg_phy_ext = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 1;
else
reg_phy_ext = (IXGBE_CS4227_EDC_MODE_SR << 1) | 1;
return hw->phy.ops.write_reg(hw, reg_slice, IXGBE_MDIO_ZERO_DEV_TYPE,
reg_phy_ext);
}
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/**
* ixgbe_setup_mac_link_t_X550em - Sets the auto advertised link speed
* @hw: pointer to hardware structure
* @speed: new link speed
* @autoneg_wait_to_complete: true when waiting for completion is needed
*
* Setup internal/external PHY link speed based on link speed, then set
* external PHY auto advertised link speed.
*
* Returns error status for any failure
**/
static s32 ixgbe_setup_mac_link_t_X550em(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
bool autoneg_wait)
{
s32 status;
ixgbe_link_speed force_speed;
/* 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 internal link mode is XFI, then setup XFI internal link. */
if (!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE)) {
status = ixgbe_setup_ixfi_x550em(hw, &force_speed);
if (status)
return status;
}
return hw->phy.ops.setup_link_speed(hw, speed, autoneg_wait);
}
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/** 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 s32 ixgbe_check_link_t_X550em(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *link_up,
bool link_up_wait_to_complete)
{
u32 status;
u16 autoneg_status;
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
return IXGBE_ERR_CONFIG;
status = ixgbe_check_mac_link_generic(hw, speed, link_up,
link_up_wait_to_complete);
/* If check link fails or MAC link is not up, then return */
if (status || !(*link_up))
return status;
/* MAC link is up, so check external PHY link.
* Read this twice back to back to indicate current status.
*/
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
&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;
}
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/**
* ixgbe_setup_sgmii - Set up link for sgmii
* @hw: pointer to hardware structure
*/
static s32
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;
s32 rc;
rc = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, &lval);
if (rc)
return rc;
lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_SGMII_EN;
lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CLAUSE_37_EN;
lval |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
rc = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, lval);
if (rc)
return rc;
rc = mac->ops.read_iosf_sb_reg(hw,
IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, &sval);
if (rc)
return rc;
sval |= IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_10_D;
sval |= IXGBE_KRM_SGMII_CTRL_MAC_TAR_FORCE_100_D;
rc = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_SGMII_CTRL(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, sval);
if (rc)
return rc;
lval |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
rc = mac->ops.write_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, lval);
return rc;
}
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/** 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;
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;
mac->ops.setup_fc = ixgbe_setup_fc_x550em;
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:
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;
return;
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:
mac->ops.setup_fc = ixgbe_setup_fc_x550em;
break;
}
}
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| Total | 193 | 100.00% | 9 | 100.00% |
/** ixgbe_setup_sfp_modules_X550em - Setup SFP module
* @hw: pointer to hardware structure
*/
static s32 ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw)
{
s32 status;
bool linear;
/* 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;
}
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| Total | 53 | 100.00% | 3 | 100.00% |
/** 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 s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
bool *autoneg)
{
/* 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) {
*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 {
*speed = IXGBE_LINK_SPEED_10GB_FULL |
IXGBE_LINK_SPEED_1GB_FULL;
*autoneg = true;
}
return 0;
}
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/**
* ixgbe_get_lasi_ext_t_x550em - Determime external Base T PHY interrupt cause
* @hw: pointer to hardware structure
* @lsc: pointer to boolean flag which indicates whether external Base T
* PHY interrupt is lsc
*
* Determime if external Base T PHY interrupt cause is high temperature
* failure alarm or link status change.
*
* Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
* failure alarm, else return PHY access status.
**/
static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
{
u32 status;
u16 reg;
*lsc = false;
/* Vendor alarm triggered */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
®);
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,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
®);
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,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
®);
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);
return IXGBE_ERR_OVERTEMP;
}
if (reg & IXGBE_MDIO_GLOBAL_ALM_1_DEV_FAULT) {
/* device fault alarm triggered */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_FAULT_MSG,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
®);
if (status)
return status;
/* if device fault was due to high temp alarm handle and exit */
if (reg == IXGBE_MDIO_GLOBAL_FAULT_MSG_HI_TMP) {
/* power down the PHY in case the PHY FW didn't */
ixgbe_set_copper_phy_power(hw, false);
return IXGBE_ERR_OVERTEMP;
}
}
/* Vendor alarm 2 triggered */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_CHIP_STD_INT_FLAG,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®);
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,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®);
if (status)
return status;
/* Indicate LSC */
if (reg & IXGBE_MDIO_AUTO_NEG_VEN_LSC)
*lsc = true;
return 0;
}
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| Total | 282 | 100.00% | 5 | 100.00% |
/**
* ixgbe_enable_lasi_ext_t_x550em - Enable external Base T PHY interrupts
* @hw: pointer to hardware structure
*
* Enable link status change and temperature failure alarm for the external
* Base T PHY
*
* Returns PHY access status
**/
static s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw)
{
u32 status;
u16 reg;
bool lsc;
/* Clear interrupt flags */
status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
/* Enable link status change alarm */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PMA_TX_VEN_LASI_INT_MASK,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE, ®);
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,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE, 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,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
®);
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,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
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,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
®);
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,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
reg);
if (status)
return status;
/* Enable chip-wide vendor alarm */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_CHIP_STD_MASK,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
®);
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,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
reg);
return status;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 262 | 98.13% | 2 | 66.67% |
| mark d. rustad | mark d. rustad | 5 | 1.87% | 1 | 33.33% |
| Total | 267 | 100.00% | 3 | 100.00% |
/**
* ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt
* @hw: pointer to hardware structure
*
* Handle external Base T PHY interrupt. If high temperature
* failure alarm then return error, else if link status change
* then setup internal/external PHY link
*
* Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
* failure alarm, else return PHY access status.
**/
static s32 ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw)
{
struct ixgbe_phy_info *phy = &hw->phy;
bool lsc;
u32 status;
status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
if (status)
return status;
if (lsc && phy->ops.setup_internal_link)
return phy->ops.setup_internal_link(hw);
return 0;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 61 | 91.04% | 2 | 66.67% |
| mark d. rustad | mark d. rustad | 6 | 8.96% | 1 | 33.33% |
| Total | 67 | 100.00% | 3 | 100.00% |
/**
* ixgbe_setup_kr_speed_x550em - Configure the KR PHY for link speed.
* @hw: pointer to hardware structure
* @speed: link speed
*
* Configures the integrated KR PHY.
**/
static s32 ixgbe_setup_kr_speed_x550em(struct ixgbe_hw *hw,
ixgbe_link_speed speed)
{
s32 status;
u32 reg_val;
status = hw->mac.ops.read_iosf_sb_reg(hw,
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
if (status)
return status;
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
reg_val &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_AN_FEC_REQ |
IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_FEC);
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;
/* Restart auto-negotiation. */
reg_val |= 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, reg_val);
return status;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 118 | 89.39% | 3 | 75.00% |
| mark d. rustad | mark d. rustad | 14 | 10.61% | 1 | 25.00% |
| Total | 132 | 100.00% | 4 | 100.00% |
/** ixgbe_setup_kx4_x550em - Configure the KX4 PHY.
* @hw: pointer to hardware structure
*
* Configures the integrated KX4 PHY.
**/
static s32 ixgbe_setup_kx4_x550em(struct ixgbe_hw *hw)
{
s32 status;
u32 reg_val;
status = hw->mac.ops.read_iosf_sb_reg(hw, IXGBE_KX4_LINK_CNTL_1,
IXGBE_SB_IOSF_TARGET_KX4_PCS0 +
hw->bus.lan_id, ®_val);
if (status)
return status;
reg_val &= ~(IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX4 |
IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX);
reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_ENABLE;
/* Advertise 10G support. */
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX4;
/* Advertise 1G support. */
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX;
/* Restart auto-negotiation. */
reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_RESTART;
status = hw->mac.ops.write_iosf_sb_reg(hw, IXGBE_KX4_LINK_CNTL_1,
IXGBE_SB_IOSF_TARGET_KX4_PCS0 +
hw->bus.lan_id, reg_val);
return status;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 112 | 88.89% | 3 | 75.00% |
| mark d. rustad | mark d. rustad | 14 | 11.11% | 1 | 25.00% |
| Total | 126 | 100.00% | 4 | 100.00% |
/**
* ixgbe_setup_kr_x550em - Configure the KR PHY
* @hw: pointer to hardware structure
*
* Configures the integrated KR PHY for X550EM_x.
**/
static s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw)
{
if (hw->mac.type != ixgbe_mac_X550EM_x)
return 0;
return ixgbe_setup_kr_speed_x550em(hw, hw->phy.autoneg_advertised);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 23 | 63.89% | 3 | 75.00% |
| mark d. rustad | mark d. rustad | 13 | 36.11% | 1 | 25.00% |
| Total | 36 | 100.00% | 4 | 100.00% |
/** ixgbe_ext_phy_t_x550em_get_link - Get ext phy link status
* @hw: address of hardware structure
* @link_up: address of boolean to indicate link status
*
* Returns error code if unable to get link status.
**/
static s32 ixgbe_ext_phy_t_x550em_get_link(struct ixgbe_hw *hw, bool *link_up)
{
u32 ret;
u16 autoneg_status;
*link_up = false;
/* read this twice back to back to indicate current status */
ret = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
&autoneg_status);
if (ret)
return ret;
ret = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
&autoneg_status);
if (ret)
return ret;
*link_up = !!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS);
return 0;
}
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| donald skidmore | donald skidmore | 94 | 98.95% | 2 | 66.67% |
| mark d. rustad | mark d. rustad | 1 | 1.05% | 1 | 33.33% |
| Total | 95 | 100.00% | 3 | 100.00% |
/** 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 s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw)
{
ixgbe_link_speed force_speed;
bool link_up;
u32 status;
u16 speed;
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
return IXGBE_ERR_CONFIG;
if (hw->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,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
&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 IXGBE_ERR_INVALID_LINK_SETTINGS;
}
return ixgbe_setup_ixfi_x550em(hw, &force_speed);
}
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| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 161 | 86.10% | 2 | 66.67% |
| mark d. rustad | mark d. rustad | 26 | 13.90% | 1 | 33.33% |
| Total | 187 | 100.00% | 3 | 100.00% |
/** ixgbe_reset_phy_t_X550em - Performs X557 PHY reset and enables LASI
* @hw: pointer to hardware structure
**/
static s32 ixgbe_reset_phy_t_X550em(struct ixgbe_hw *hw)
{
s32 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 35 | 100.00% | 1 | 100.00% |
| Total | 35 | 100.00% | 1 | 100.00% |
/** 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 s32 ixgbe_get_lcd_t_x550em(struct ixgbe_hw *hw,
ixgbe_link_speed *lcd_speed)
{
u16 an_lp_status;
s32 status;
u16 word = hw->eeprom.ctrl_word_3;
*lcd_speed = IXGBE_LINK_SPEED_UNKNOWN;
status = hw->phy.ops.read_reg(hw, IXGBE_AUTO_NEG_LP_STATUS,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
&an_lp_status);
if (status)
return status;
/* If link partner advertised 1G, return 1G */
if (an_lp_status & IXGBE_AUTO_NEG_LP_1000BASE_CAP) {
*lcd_speed = IXGBE_LINK_SPEED_1GB_FULL;
return status;
}
/* If 10G disabled for LPLU via NVM D10GMP, then return no valid LCD */
if ((hw->bus.lan_id && (word & NVM_INIT_CTRL_3_D10GMP_PORT1)) ||
(word & NVM_INIT_CTRL_3_D10GMP_PORT0))
return status;
/* Link partner not capable of lower speeds, return 10G */
*lcd_speed = IXGBE_LINK_SPEED_10GB_FULL;
return status;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 114 | 100.00% | 1 | 100.00% |
| Total | 114 | 100.00% | 1 | 100.00% |
/**
* ixgbe_setup_fc_x550em - Set up flow control
* @hw: pointer to hardware structure
*/
static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *hw)
{
bool pause, asm_dir;
u32 reg_val;
s32 rc;
/* 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 IXGBE_ERR_INVALID_LINK_SETTINGS;
}
/* 10gig parts do not have a word in the EEPROM to determine the
* default flow control setting, so we explicitly set it to full.
*/
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 IXGBE_ERR_CONFIG;
}
if (hw->device_id != IXGBE_DEV_ID_X550EM_X_KR &&
hw->device_id != IXGBE_DEV_ID_X550EM_A_KR &&
hw->device_id != IXGBE_DEV_ID_X550EM_A_KR_L)
return 0;
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;
return rc;
}
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| mark d. rustad | mark d. rustad | 253 | 100.00% | 3 | 100.00% |
| Total | 253 | 100.00% | 3 | 100.00% |
/** 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 s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw)
{
u16 an_10g_cntl_reg, autoneg_reg, speed;
s32 status;
ixgbe_link_speed lcd_speed;
u32 save_autoneg;
bool link_up;
/* 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,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
&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 status;
/* Clear AN completed indication */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_TX_ALARM,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
&autoneg_reg);
if (status)
return status;
status = hw->phy.ops.read_reg(hw, IXGBE_MII_10GBASE_T_AUTONEG_CTRL_REG,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
&an_10g_cntl_reg);
if (status)
return status;
status = hw->phy.ops.read_reg(hw,
IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
&autoneg_reg);
if (status)
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;
}
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| donald skidmore | donald skidmore | 366 | 100.00% | 1 | 100.00% |
| Total | 366 | 100.00% | 1 | 100.00% |
/**
* 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->phy.nw_mng_if_sel) {
if (hw->mac.type == ixgbe_mac_x550em_a) {
struct ixgbe_adapter *adapter = hw->back;
e_warn(drv, "nw_mng_if_sel not set\n");
}
return;
}
hw->phy.mdio.prtad = (hw->phy.nw_mng_if_sel &
IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD) >>
IXGBE_NW_MNG_IF_SEL_MDIO_PHY_ADD_SHIFT;
}
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| mark d. rustad | mark d. rustad | 86 | 100.00% | 1 | 100.00% |
| Total | 86 | 100.00% | 1 | 100.00% |
/** 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 s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
{
struct ixgbe_phy_info *phy = &hw->phy;
s32 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);
/* 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 = ixgbe_setup_kx4_x550em;
phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
break;
case ixgbe_phy_x550em_kr:
phy->ops.setup_link = ixgbe_setup_kr_x550em;
phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
break;
case ixgbe_phy_x550em_ext_t:
/* Save NW management interface connected on board. This is used
* to determine internal PHY mode
*/
phy->nw_mng_if_sel = IXGBE_READ_REG(hw, IXGBE_NW_MNG_IF_SEL);
/* 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;
default:
break;
}
return ret_val;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 234 | 93.98% | 7 | 77.78% |
| mark d. rustad | mark d. rustad | 15 | 6.02% | 2 | 22.22% |
| Total | 249 | 100.00% | 9 | 100.00% |
/** 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_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:
media_type = ixgbe_media_type_copper;
break;
default:
media_type = ixgbe_media_type_unknown;
break;
}
return media_type;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 64 | 70.33% | 2 | 33.33% |
| mark d. rustad | mark d. rustad | 27 | 29.67% | 4 | 66.67% |
| Total | 91 | 100.00% | 6 | 100.00% |
/** ixgbe_init_ext_t_x550em - Start (unstall) the external Base T PHY.
** @hw: pointer to hardware structure
**/
static s32 ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw)
{
s32 status;
u16 reg;
status = hw->phy.ops.read_reg(hw,
IXGBE_MDIO_TX_VENDOR_ALARMS_3,
IXGBE_MDIO_PMA_PMD_DEV_TYPE,
®);
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,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
®);
if (status)
return status;
reg &= ~IXGBE_MDIO_POWER_UP_STALL;
status = hw->phy.ops.write_reg(hw,
IXGBE_MDIO_GLOBAL_RES_PR_10,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
reg);
if (status)
return status;
}
return status;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 113 | 99.12% | 3 | 75.00% |
| mark d. rustad | mark d. rustad | 1 | 0.88% | 1 | 25.00% |
| Total | 114 | 100.00% | 4 | 100.00% |
/**
* 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_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;
default:
break;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark d. rustad | mark d. rustad | 55 | 100.00% | 2 | 100.00% |
| Total | 55 | 100.00% | 2 | 100.00% |
/** 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 s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
{
ixgbe_link_speed link_speed;
s32 status;
u32 ctrl = 0;
u32 i;
bool link_up = false;
/* 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);
/* PHY ops must be identified and initialized prior to reset */
/* Identify PHY and related function pointers */
status = hw->phy.ops.init(hw);
/* 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;
}
/* 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;
}
ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
IXGBE_WRITE_FLUSH(hw);
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 = IXGBE_ERR_RESET_FAILED;
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 368 | 96.59% | 4 | 66.67% |
| mark d. rustad | mark d. rustad | 13 | 3.41% | 2 | 33.33% |
| Total | 381 | 100.00% | 6 | 100.00% |
/** 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 74 | 92.50% | 2 | 66.67% |
| jacob e keller | jacob e keller | 6 | 7.50% | 1 | 33.33% |
| Total | 80 | 100.00% | 3 | 100.00% |
/** 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));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| donald skidmore | donald skidmore | 105 | 100.00% | 1 | 100.00% |
| Total | 105 | 100.00% | 1 | 100.00% |
/**
* 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark d. rustad | mark d. rustad | 64 | 100.00% | 2 | 100.00% |
| Total | 64 | 100.00% | 2 | 100.00% |
/**
* 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 s32 ixgbe_acquire_swfw_sync_X550em(struct ixgbe_hw *hw, u32 mask)
{
s32 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark d. rustad | mark d. rustad | 49 | 100.00% | 1 | 100.00% |
| Total | 49 | 100.00% | 1 | 100.00% |
/**
* 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark d. rustad | mark d. rustad | 34 | 100.00% | 2 | 100.00% |
| Total | 34 | 100.00% | 2 | 100.00% |
/**
* 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 s32 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;
s32 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 != IXGBE_ERR_TOKEN_RETRY)
return status;
msleep(FW_PHY_TOKEN_DELAY);
}
return status;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| mark d. rustad | mark d. rustad | 115 | 99.14% | 2 | 66.67% |
| arnd bergmann | arnd bergmann | 1 | 0.86% | 1 | 33.33% |
| Total | 116 | 100.00% | 3 | 100.00% |
/**
* 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark d. rustad | mark d. rustad | 44 | 100.00% | 2 | 100.00% |
| Total | 44 | 100.00% | 2 | 100.00% |
/**
* ixgbe_read_phy_reg_x550a - Reads specified PHY register
* @hw: pointer to hardware structure
* @reg_addr: 32 bit address of PHY register to read
* @phy_data: Pointer to read data from PHY register
*
* Reads a value from a specified PHY register using the SWFW lock and PHY
* Token. The PHY Token is needed since the MDIO is shared between to MAC
* instances.
*/
static s32 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;
s32 status;
if (hw->mac.ops.acquire_swfw_sync(hw, mask))
return IXGBE_ERR_SWFW_SYNC;
status = hw->phy.ops.read_reg_mdi(hw, reg_addr, device_type, phy_data);
hw->mac.ops.release_swfw_sync(hw, mask);
return status;
}
Contributors
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| mark d. rustad | mark d. rustad | 88 | 100.00% | 1 | 100.00% |
| Total | 88 | 100.00% | 1 | 100.00% |
/**
* 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 s32 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;
s32 status;
if (hw->mac.ops.acquire_swfw_sync(hw, mask))
return IXGBE_ERR_SWFW_SYNC;
status = ixgbe_write_phy_reg_mdi(hw, reg_addr, device_type, phy_data);
hw->mac.ops.release_swfw_sync(hw, mask);
return status;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark d. rustad | mark d. rustad | 81 | 100.00% | 1 | 100.00% |
| Total | 81 | 100.00% | 1 | 100.00% |
#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, \
.led_on = &ixgbe_led_on_generic, \
.led_off = &ixgbe_led_off_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_generic, \
.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, \
.enable_rx = &ixgbe_enable_rx_generic, \
.disable_rx = &ixgbe_disable_rx_x550, \
static const struct ixgbe_mac_operations mac_ops_X550 = {
X550_COMMON_MAC
.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,
};
static const struct ixgbe_mac_operations mac_ops_X550EM_x = {
X550_COMMON_MAC
.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 */
.read_iosf_sb_reg = ixgbe_read_iosf_sb_reg_x550,
.write_iosf_sb_reg = ixgbe_write_iosf_sb_reg_x550,
};
static struct ixgbe_mac_operations mac_ops_x550em_a = {
X550_COMMON_MAC
.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,
.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, \
.check_overtemp = &ixgbe_tn_check_overtemp, \
.get_firmware_version = &ixgbe_get_phy_firmware_version_generic,
static const struct ixgbe_phy_operations phy_ops_X550 = {
X550_COMMON_PHY
.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
.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,
.read_i2c_combined = &ixgbe_read_i2c_combined_generic,
.write_i2c_combined = &ixgbe_write_i2c_combined_generic,
.read_i2c_combined_unlocked = &ixgbe_read_i2c_combined_generic_unlocked,
.write_i2c_combined_unlocked =
&ixgbe_write_i2c_combined_generic_unlocked,
};
static const struct ixgbe_phy_operations phy_ops_x550em_a = {
X550_COMMON_PHY
.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,
};
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,
};
const struct ixgbe_info ixgbe_x550em_a_info = {
.mac = ixgbe_mac_x550em_a,
.get_invariants = &ixgbe_get_invariants_X550_x,
.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,
};
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