/** * 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
*/ staticint 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
*/ staticint 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
*/ staticint 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
*/ staticint 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
*/ staticint 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;
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
*/ staticvoid 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);
/** * 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.
**/ staticint 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.
**/ staticint
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.
**/ staticint 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.
**/ staticint
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);
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.
*/ staticint 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.
**/ staticint 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;
/** * 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
*/ staticint 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 - Reads 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
**/ staticint 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;
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.
**/ staticint 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;
/** 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
**/ staticint 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];
}
/* 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
**/ staticint 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
**/ staticint 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.
**/ staticint 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;
/* 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);
}
/** 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.
**/ staticint 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.
**/ staticint ixgbe_write_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
u16 data)
{ struct ixgbe_hic_write_shadow_ram buffer; int status;
/* 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.
**/ staticint 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.
**/ staticint ixgbe_update_flash_X550(struct ixgbe_hw *hw)
{ union ixgbe_hic_hdr2 buffer; int status = 0;
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.
**/ staticint 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;
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.
**/ staticint 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.
**/ staticint 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;
}
}
/** 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
**/ staticint 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;
/** * ixgbe_setup_ixfi_x550em_x - MAC specific iXFI configuration * @hw: pointer to hardware structure * * iXfI configuration needed for ixgbe_mac_X550EM_x devices.
**/ staticint 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;
/** * ixgbe_restart_an_internal_phy_x550em - restart autonegotiation for the * internal PHY * @hw: pointer to hardware structure
**/ staticint 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.
**/ staticint 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;
/* 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
*/ staticint 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.
*/ staticint
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.
**/ staticint 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;
/* 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.
*/ staticint
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 accepted 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;
/** * 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.
*/ staticint
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 accepted 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;
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
**/ staticint 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);
/** 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.
**/ staticint 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
*/ staticint
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;
/** * 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
*/ staticint 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;
/** * 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.
*/ staticvoid 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);
/* 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;
} elseif (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 * * Determine if external Base T PHY interrupt cause is high temperature * failure alarm or link status change.
**/ staticint ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc, bool *is_overtemp)
{
u32 status;
u16 reg;
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;
}
}
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