/*******************************************************************************
Intel(R) Gigabit Ethernet Linux driver
- Copyright(c) 2007-2012 Intel Corporation.
+ Copyright(c) 2007-2013 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,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
- the file called "COPYING".
+ the file called "LICENSE.GPL".
Contact Information:
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
* 82575GB Gigabit Network Connection
* 82576 Gigabit Network Connection
* 82576 Quad Port Gigabit Mezzanine Adapter
+ * 82580 Gigabit Network Connection
+ * I350 Gigabit Network Connection
*/
#include "e1000_api.h"
+#include "e1000_i210.h"
static s32 e1000_init_phy_params_82575(struct e1000_hw *hw);
static s32 e1000_init_mac_params_82575(struct e1000_hw *hw);
static s32 e1000_acquire_nvm_82575(struct e1000_hw *hw);
static void e1000_release_nvm_82575(struct e1000_hw *hw);
static s32 e1000_check_for_link_82575(struct e1000_hw *hw);
+static s32 e1000_check_for_link_media_swap(struct e1000_hw *hw);
static s32 e1000_get_cfg_done_82575(struct e1000_hw *hw);
static s32 e1000_get_link_up_info_82575(struct e1000_hw *hw, u16 *speed,
u16 *duplex);
break;
case e1000_82580:
case e1000_i350:
+ case e1000_i354:
+ case e1000_i210:
+ case e1000_i211:
reg = E1000_READ_REG(hw, E1000_MDICNFG);
ext_mdio = !!(reg & E1000_MDICNFG_EXT_MDIO);
break;
switch (hw->mac.type) {
case e1000_82580:
case e1000_i350:
+ case e1000_i354:
phy->ops.read_reg = e1000_read_phy_reg_82580;
phy->ops.write_reg = e1000_write_phy_reg_82580;
break;
+ case e1000_i210:
+ case e1000_i211:
+ phy->ops.read_reg = e1000_read_phy_reg_gs40g;
+ phy->ops.write_reg = e1000_write_phy_reg_gs40g;
+ break;
default:
phy->ops.read_reg = e1000_read_phy_reg_igp;
phy->ops.write_reg = e1000_write_phy_reg_igp;
/* Verify phy id and set remaining function pointers */
switch (phy->id) {
+ case M88E1543_E_PHY_ID:
case I347AT4_E_PHY_ID:
case M88E1112_E_PHY_ID:
case M88E1340M_E_PHY_ID:
phy->id == M88E1340M_E_PHY_ID)
phy->ops.get_cable_length =
e1000_get_cable_length_m88_gen2;
+ else if (phy->id == M88E1543_E_PHY_ID)
+ phy->ops.get_cable_length =
+ e1000_get_cable_length_m88_gen2;
else
phy->ops.get_cable_length = e1000_get_cable_length_m88;
phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_m88;
+ /* Check if this PHY is configured for media swap. */
+ if (phy->id == M88E1112_E_PHY_ID) {
+ u16 data;
+
+ ret_val = phy->ops.write_reg(hw,
+ E1000_M88E1112_PAGE_ADDR,
+ 2);
+ if (ret_val)
+ goto out;
+
+ ret_val = phy->ops.read_reg(hw,
+ E1000_M88E1112_MAC_CTRL_1,
+ &data);
+ if (ret_val)
+ goto out;
+
+ data = (data & E1000_M88E1112_MAC_CTRL_1_MODE_MASK) >>
+ E1000_M88E1112_MAC_CTRL_1_MODE_SHIFT;
+ if (data == E1000_M88E1112_AUTO_COPPER_SGMII ||
+ data == E1000_M88E1112_AUTO_COPPER_BASEX)
+ hw->mac.ops.check_for_link =
+ e1000_check_for_link_media_swap;
+ }
break;
case IGP03E1000_E_PHY_ID:
case IGP04E1000_E_PHY_ID:
phy->ops.set_d0_lplu_state = e1000_set_d0_lplu_state_82580;
phy->ops.set_d3_lplu_state = e1000_set_d3_lplu_state_82580;
break;
+ case I210_I_PHY_ID:
+ phy->type = e1000_phy_i210;
+ phy->ops.check_polarity = e1000_check_polarity_m88;
+ phy->ops.get_info = e1000_get_phy_info_m88;
+ phy->ops.get_cable_length = e1000_get_cable_length_m88_gen2;
+ phy->ops.set_d0_lplu_state = e1000_set_d0_lplu_state_82580;
+ phy->ops.set_d3_lplu_state = e1000_set_d3_lplu_state_82580;
+ phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_m88;
+ break;
default:
ret_val = -E1000_ERR_PHY;
goto out;
size = 15;
nvm->word_size = 1 << size;
- nvm->opcode_bits = 8;
- nvm->delay_usec = 1;
- switch (nvm->override) {
- case e1000_nvm_override_spi_large:
- nvm->page_size = 32;
- nvm->address_bits = 16;
- break;
- case e1000_nvm_override_spi_small:
- nvm->page_size = 8;
- nvm->address_bits = 8;
- break;
- default:
- nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8;
- nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ? 16 : 8;
- break;
- }
-
- nvm->type = e1000_nvm_eeprom_spi;
+ if (hw->mac.type < e1000_i210) {
+ nvm->opcode_bits = 8;
+ nvm->delay_usec = 1;
+
+ switch (nvm->override) {
+ case e1000_nvm_override_spi_large:
+ nvm->page_size = 32;
+ nvm->address_bits = 16;
+ break;
+ case e1000_nvm_override_spi_small:
+ nvm->page_size = 8;
+ nvm->address_bits = 8;
+ break;
+ default:
+ nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8;
+ nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ?
+ 16 : 8;
+ break;
+ }
+ if (nvm->word_size == (1 << 15))
+ nvm->page_size = 128;
- if (nvm->word_size == (1 << 15))
- nvm->page_size = 128;
+ nvm->type = e1000_nvm_eeprom_spi;
+ } else {
+ nvm->type = e1000_nvm_flash_hw;
+ }
/* Function Pointers */
nvm->ops.acquire = e1000_acquire_nvm_82575;
nvm->ops.update = e1000_update_nvm_checksum_82580;
break;
case e1000_i350:
+ //case e1000_i354:
nvm->ops.validate = e1000_validate_nvm_checksum_i350;
nvm->ops.update = e1000_update_nvm_checksum_i350;
break;
mac->rar_entry_count = E1000_RAR_ENTRIES_82576;
if (mac->type == e1000_82580)
mac->rar_entry_count = E1000_RAR_ENTRIES_82580;
- if (mac->type == e1000_i350) {
+ if (mac->type == e1000_i350 || mac->type == e1000_i354)
mac->rar_entry_count = E1000_RAR_ENTRIES_I350;
- /* Enable EEE default settings for i350 */
+
+ /* Enable EEE default settings for EEE supported devices */
+ if (mac->type >= e1000_i350)
dev_spec->eee_disable = false;
- }
+
+ /* Allow a single clear of the SW semaphore on I210 and newer */
+ if (mac->type >= e1000_i210)
+ dev_spec->clear_semaphore_once = true;
/* Set if part includes ASF firmware */
mac->asf_firmware_present = true;
mac->ops.power_up_serdes = e1000_power_up_serdes_link_82575;
/* check for link */
mac->ops.check_for_link = e1000_check_for_link_82575;
- /* receive address register setting */
- mac->ops.rar_set = e1000_rar_set_generic;
/* read mac address */
mac->ops.read_mac_addr = e1000_read_mac_addr_82575;
/* configure collision distance */
mac->ops.config_collision_dist = e1000_config_collision_dist_82575;
/* multicast address update */
mac->ops.update_mc_addr_list = e1000_update_mc_addr_list_generic;
- if (hw->mac.type == e1000_i350) {
+ if (hw->mac.type == e1000_i350 || mac->type == e1000_i354) {
/* writing VFTA */
mac->ops.write_vfta = e1000_write_vfta_i350;
/* clearing VFTA */
/* clearing VFTA */
mac->ops.clear_vfta = e1000_clear_vfta_generic;
}
+ if (hw->mac.type >= e1000_82580)
+ mac->ops.validate_mdi_setting =
+ e1000_validate_mdi_setting_crossover_generic;
/* ID LED init */
mac->ops.id_led_init = e1000_id_led_init_generic;
/* blink LED */
/* acquire SW_FW sync */
mac->ops.acquire_swfw_sync = e1000_acquire_swfw_sync_82575;
mac->ops.release_swfw_sync = e1000_release_swfw_sync_82575;
+ if (mac->type >= e1000_i210) {
+ mac->ops.acquire_swfw_sync = e1000_acquire_swfw_sync_i210;
+ mac->ops.release_swfw_sync = e1000_release_swfw_sync_i210;
+ }
/* set lan id for port to determine which phy lock to use */
hw->mac.ops.set_lan_id(hw);
DEBUGFUNC("e1000_get_phy_id_82575");
+ /* i354 devices can have a PHY that needs an extra read for id */
+ if (hw->mac.type == e1000_i354)
+ e1000_get_phy_id(hw);
+
+
/*
* For SGMII PHYs, we try the list of possible addresses until
* we find one that works. For non-SGMII PHYs
break;
case e1000_82580:
case e1000_i350:
+ case e1000_i354:
+ case e1000_i210:
+ case e1000_i211:
mdic = E1000_READ_REG(hw, E1000_MDICNFG);
mdic &= E1000_MDICNFG_PHY_MASK;
phy->addr = mdic >> E1000_MDICNFG_PHY_SHIFT;
{
struct e1000_phy_info *phy = &hw->phy;
s32 ret_val = E1000_SUCCESS;
- u16 data;
+ u32 data;
DEBUGFUNC("e1000_set_d0_lplu_state_82580");
{
struct e1000_phy_info *phy = &hw->phy;
s32 ret_val = E1000_SUCCESS;
- u16 data;
+ u32 data;
DEBUGFUNC("e1000_set_d3_lplu_state_82580");
DEBUGOUT("MNG configuration cycle has not completed.\n");
/* If EEPROM is not marked present, init the PHY manually */
- if (((E1000_READ_REG(hw, E1000_EECD) & E1000_EECD_PRES) == 0) &&
+ if (!(E1000_READ_REG(hw, E1000_EECD) & E1000_EECD_PRES) &&
(hw->phy.type == e1000_phy_igp_3))
e1000_phy_init_script_igp3(hw);
*/
hw->mac.get_link_status = !hw->mac.serdes_has_link;
+ /*
+ * Configure Flow Control now that Auto-Neg has completed.
+ * First, we need to restore the desired flow control
+ * settings because we may have had to re-autoneg with a
+ * different link partner.
+ */
+ ret_val = e1000_config_fc_after_link_up_generic(hw);
+ if (ret_val)
+ DEBUGOUT("Error configuring flow control\n");
} else {
ret_val = e1000_check_for_copper_link_generic(hw);
}
return ret_val;
}
+/**
+ * e1000_check_for_link_media_swap - Check which M88E1112 interface linked
+ * @hw: pointer to the HW structure
+ *
+ * Poll the M88E1112 interfaces to see which interface achieved link.
+ */
+static s32 e1000_check_for_link_media_swap(struct e1000_hw *hw)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ s32 ret_val;
+ u16 data;
+ u8 port = 0;
+
+ DEBUGFUNC("e1000_check_for_link_media_swap");
+
+ /* Check the copper medium. */
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1112_PAGE_ADDR, 0);
+ if (ret_val)
+ return ret_val;
+
+ ret_val = phy->ops.read_reg(hw, E1000_M88E1112_STATUS, &data);
+ if (ret_val)
+ return ret_val;
+
+ if (data & E1000_M88E1112_STATUS_LINK)
+ port = E1000_MEDIA_PORT_COPPER;
+
+ /* Check the other medium. */
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1112_PAGE_ADDR, 1);
+ if (ret_val)
+ return ret_val;
+
+ ret_val = phy->ops.read_reg(hw, E1000_M88E1112_STATUS, &data);
+ if (ret_val)
+ return ret_val;
+
+ if (data & E1000_M88E1112_STATUS_LINK)
+ port = E1000_MEDIA_PORT_OTHER;
+
+ /* Determine if a swap needs to happen. */
+ if (port && (hw->dev_spec._82575.media_port != port)) {
+ hw->dev_spec._82575.media_port = port;
+ hw->dev_spec._82575.media_changed = true;
+ } else {
+ ret_val = e1000_check_for_link_82575(hw);
+ }
+
+ return E1000_SUCCESS;
+}
+
/**
* e1000_power_up_serdes_link_82575 - Power up the serdes link after shutdown
* @hw: pointer to the HW structure
{
struct e1000_mac_info *mac = &hw->mac;
u32 pcs;
+ u32 status;
DEBUGFUNC("e1000_get_pcs_speed_and_duplex_82575");
- /* Set up defaults for the return values of this function */
- mac->serdes_has_link = false;
- *speed = 0;
- *duplex = 0;
-
/*
* Read the PCS Status register for link state. For non-copper mode,
* the status register is not accurate. The PCS status register is
*duplex = FULL_DUPLEX;
else
*duplex = HALF_DUPLEX;
+
+ /* Check if it is an I354 2.5Gb backplane connection. */
+ if (mac->type == e1000_i354) {
+ status = E1000_READ_REG(hw, E1000_STATUS);
+ if ((status & E1000_STATUS_2P5_SKU) &&
+ !(status & E1000_STATUS_2P5_SKU_OVER)) {
+ *speed = SPEED_2500;
+ *duplex = FULL_DUPLEX;
+ DEBUGOUT("2500 Mbs, ");
+ DEBUGOUT("Full Duplex\n");
+ }
+ }
+
+ } else {
+ mac->serdes_has_link = false;
+ *speed = 0;
+ *duplex = 0;
}
return E1000_SUCCESS;
* @hw: pointer to the HW structure
*
* In the case of serdes shut down sfp and PCS on driver unload
- * when management pass thru is not enabled.
+ * when management pass through is not enabled.
**/
void e1000_shutdown_serdes_link_82575(struct e1000_hw *hw)
{
}
/* If EEPROM is not present, run manual init scripts */
- if ((E1000_READ_REG(hw, E1000_EECD) & E1000_EECD_PRES) == 0)
+ if (!(E1000_READ_REG(hw, E1000_EECD) & E1000_EECD_PRES))
e1000_reset_init_script_82575(hw);
/* Clear any pending interrupt events. */
static s32 e1000_setup_copper_link_82575(struct e1000_hw *hw)
{
u32 ctrl;
- s32 ret_val;
+ s32 ret_val;
+ u32 phpm_reg;
DEBUGFUNC("e1000_setup_copper_link_82575");
ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
E1000_WRITE_REG(hw, E1000_CTRL, ctrl);
+ /* Clear Go Link Disconnect bit on supported devices */
+ switch (hw->mac.type) {
+ case e1000_82580:
+ case e1000_i350:
+ case e1000_i210:
+ case e1000_i211:
+ phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
+ phpm_reg &= ~E1000_82580_PM_GO_LINKD;
+ E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
+ break;
+ default:
+ break;
+ }
+
ret_val = e1000_setup_serdes_link_82575(hw);
if (ret_val)
goto out;
}
}
switch (hw->phy.type) {
+ case e1000_phy_i210:
case e1000_phy_m88:
- if (hw->phy.id == I347AT4_E_PHY_ID ||
- hw->phy.id == M88E1112_E_PHY_ID ||
- hw->phy.id == M88E1340M_E_PHY_ID)
+ switch (hw->phy.id) {
+ case I347AT4_E_PHY_ID:
+ case M88E1112_E_PHY_ID:
+ case M88E1340M_E_PHY_ID:
+ case M88E1543_E_PHY_ID:
+ case I210_I_PHY_ID:
ret_val = e1000_copper_link_setup_m88_gen2(hw);
- else
+ break;
+ default:
ret_val = e1000_copper_link_setup_m88(hw);
+ break;
+ }
break;
case e1000_phy_igp_3:
ret_val = e1000_copper_link_setup_igp(hw);
**/
static s32 e1000_setup_serdes_link_82575(struct e1000_hw *hw)
{
- u32 ctrl_ext, ctrl_reg, reg;
+ u32 ctrl_ext, ctrl_reg, reg, anadv_reg;
bool pcs_autoneg;
s32 ret_val = E1000_SUCCESS;
u16 data;
reg &= ~(E1000_PCS_LCTL_AN_ENABLE | E1000_PCS_LCTL_FLV_LINK_UP |
E1000_PCS_LCTL_FSD | E1000_PCS_LCTL_FORCE_LINK);
- /*
- * We force flow control to prevent the CTRL register values from being
- * overwritten by the autonegotiated flow control values
- */
- reg |= E1000_PCS_LCTL_FORCE_FCTRL;
-
if (pcs_autoneg) {
/* Set PCS register for autoneg */
reg |= E1000_PCS_LCTL_AN_ENABLE | /* Enable Autoneg */
E1000_PCS_LCTL_AN_RESTART; /* Restart autoneg */
+
+ /* Disable force flow control for autoneg */
+ reg &= ~E1000_PCS_LCTL_FORCE_FCTRL;
+
+ /* Configure flow control advertisement for autoneg */
+ anadv_reg = E1000_READ_REG(hw, E1000_PCS_ANADV);
+ anadv_reg &= ~(E1000_TXCW_ASM_DIR | E1000_TXCW_PAUSE);
+
+ switch (hw->fc.requested_mode) {
+ case e1000_fc_full:
+ case e1000_fc_rx_pause:
+ anadv_reg |= E1000_TXCW_ASM_DIR;
+ anadv_reg |= E1000_TXCW_PAUSE;
+ break;
+ case e1000_fc_tx_pause:
+ anadv_reg |= E1000_TXCW_ASM_DIR;
+ break;
+ default:
+ break;
+ }
+
+ E1000_WRITE_REG(hw, E1000_PCS_ANADV, anadv_reg);
+
DEBUGOUT1("Configuring Autoneg:PCS_LCTL=0x%08X\n", reg);
} else {
/* Set PCS register for forced link */
reg |= E1000_PCS_LCTL_FSD; /* Force Speed */
+
+ /* Force flow control for forced link */
+ reg |= E1000_PCS_LCTL_FORCE_FCTRL;
+
DEBUGOUT1("Configuring Forced Link:PCS_LCTL=0x%08X\n", reg);
}
E1000_WRITE_REG(hw, E1000_PCS_LCTL, reg);
- if (!e1000_sgmii_active_82575(hw))
+ if (!pcs_autoneg && !e1000_sgmii_active_82575(hw))
e1000_force_mac_fc_generic(hw);
return ret_val;
**/
static s32 e1000_get_media_type_82575(struct e1000_hw *hw)
{
- u32 lan_id = 0;
- s32 ret_val = E1000_ERR_CONFIG;
struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
+ s32 ret_val = E1000_SUCCESS;
u32 ctrl_ext = 0;
- u32 current_link_mode = 0;
- u16 init_ctrl_wd_3 = 0;
- u8 init_ctrl_wd_3_offset = 0;
- u8 init_ctrl_wd_3_bit_offset = 0;
+ u32 link_mode = 0;
/* Set internal phy as default */
dev_spec->sgmii_active = false;
dev_spec->module_plugged = false;
- /*
- * Check if NVM access method is attached already.
- * If it is then Init Control Word #3 is considered
- * otherwise runtime CSR register content is taken.
- */
-
/* Get CSR setting */
ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
- /* Get link mode setting */
- if ((hw->nvm.ops.read) && (hw->nvm.ops.read != e1000_null_read_nvm)) {
- /* Take link mode from EEPROM */
-
- /*
- * Get LAN port ID to derive its
- * adequate Init Control Word #3
- */
- lan_id = ((E1000_READ_REG(hw, E1000_STATUS) &
- E1000_STATUS_LAN_ID_MASK) >> E1000_STATUS_LAN_ID_OFFSET);
- /*
- * Derive Init Control Word #3 offset
- * and mask to pick up link mode setting.
- */
- if (hw->mac.type < e1000_82580) {
- init_ctrl_wd_3_offset = lan_id ?
- NVM_INIT_CONTROL3_PORT_A : NVM_INIT_CONTROL3_PORT_B;
- init_ctrl_wd_3_bit_offset = NVM_WORD24_LNK_MODE_OFFSET;
- } else {
- init_ctrl_wd_3_offset =
- NVM_82580_LAN_FUNC_OFFSET(lan_id) +
- NVM_INIT_CONTROL3_PORT_A;
- init_ctrl_wd_3_bit_offset =
- NVM_WORD24_82580_LNK_MODE_OFFSET;
- }
- /* Read Init Control Word #3*/
- hw->nvm.ops.read(hw, init_ctrl_wd_3_offset, 1, &init_ctrl_wd_3);
- current_link_mode = init_ctrl_wd_3;
- /*
- * Switch to CSR for all but internal PHY.
- */
- if ((init_ctrl_wd_3 << (E1000_CTRL_EXT_LINK_MODE_OFFSET -
- init_ctrl_wd_3_bit_offset)) !=
- E1000_CTRL_EXT_LINK_MODE_GMII) {
- current_link_mode = ctrl_ext;
- init_ctrl_wd_3_bit_offset =
- E1000_CTRL_EXT_LINK_MODE_OFFSET;
- }
- } else {
- /* Take link mode from CSR */
- current_link_mode = ctrl_ext;
- init_ctrl_wd_3_bit_offset = E1000_CTRL_EXT_LINK_MODE_OFFSET;
- }
-
- /*
- * Align link mode bits to
- * their CTRL_EXT location.
- */
- current_link_mode <<= (E1000_CTRL_EXT_LINK_MODE_OFFSET -
- init_ctrl_wd_3_bit_offset);
- current_link_mode &= E1000_CTRL_EXT_LINK_MODE_MASK;
-
- switch (current_link_mode) {
+ /* extract link mode setting */
+ link_mode = ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK;
+ switch (link_mode) {
case E1000_CTRL_EXT_LINK_MODE_1000BASE_KX:
hw->phy.media_type = e1000_media_type_internal_serdes;
- current_link_mode = E1000_CTRL_EXT_LINK_MODE_1000BASE_KX;
break;
case E1000_CTRL_EXT_LINK_MODE_GMII:
hw->phy.media_type = e1000_media_type_copper;
- current_link_mode = E1000_CTRL_EXT_LINK_MODE_GMII;
break;
case E1000_CTRL_EXT_LINK_MODE_SGMII:
- case E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES:
/* Get phy control interface type set (MDIO vs. I2C)*/
if (e1000_sgmii_uses_mdio_82575(hw)) {
hw->phy.media_type = e1000_media_type_copper;
dev_spec->sgmii_active = true;
- current_link_mode = E1000_CTRL_EXT_LINK_MODE_SGMII;
- } else {
- ret_val = e1000_set_sfp_media_type_82575(hw);
- if (ret_val != E1000_SUCCESS)
- goto out;
- if (hw->phy.media_type ==
- e1000_media_type_internal_serdes) {
- current_link_mode =
- E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
- } else if (hw->phy.media_type ==
- e1000_media_type_copper) {
- current_link_mode =
- E1000_CTRL_EXT_LINK_MODE_SGMII;
+ break;
+ }
+ /* fall through for I2C based SGMII */
+ case E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES:
+ /* read media type from SFP EEPROM */
+ ret_val = e1000_set_sfp_media_type_82575(hw);
+ if ((ret_val != E1000_SUCCESS) ||
+ (hw->phy.media_type == e1000_media_type_unknown)) {
+ /*
+ * If media type was not identified then return media
+ * type defined by the CTRL_EXT settings.
+ */
+ hw->phy.media_type = e1000_media_type_internal_serdes;
+
+ if (link_mode == E1000_CTRL_EXT_LINK_MODE_SGMII) {
+ hw->phy.media_type = e1000_media_type_copper;
+ dev_spec->sgmii_active = true;
}
+
+ break;
}
- break;
- default:
- DEBUGOUT("Link mode mask doesn't fit bit field size\n");
- goto out;
- }
- /*
- * Do not change current link mode setting
- * if media type is fibre or has not been
- * recognized.
- */
- if ((hw->phy.media_type != e1000_media_type_unknown) &&
- (hw->phy.media_type != e1000_media_type_fiber)) {
- /* Update link mode */
+
+ /* do not change link mode for 100BaseFX */
+ if (dev_spec->eth_flags.e100_base_fx)
+ break;
+
+ /* change current link mode setting */
ctrl_ext &= ~E1000_CTRL_EXT_LINK_MODE_MASK;
- E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext |
- current_link_mode);
- }
- ret_val = E1000_SUCCESS;
-out:
- /*
- * If media type was not identified then return media type
- * defined by the CTRL_EXT settings.
- */
- if (hw->phy.media_type == e1000_media_type_unknown) {
- if (current_link_mode == E1000_CTRL_EXT_LINK_MODE_SGMII)
- hw->phy.media_type = e1000_media_type_copper;
+ if (hw->phy.media_type == e1000_media_type_copper)
+ ctrl_ext |= E1000_CTRL_EXT_LINK_MODE_SGMII;
else
- hw->phy.media_type = e1000_media_type_internal_serdes;
+ ctrl_ext |= E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
+
+ E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
+
+ break;
}
return ret_val;
s32 ret_val = E1000_ERR_CONFIG;
u32 ctrl_ext = 0;
struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
- struct sfp_e1000_flags eth_flags = {0};
+ struct sfp_e1000_flags *eth_flags = &dev_spec->eth_flags;
u8 tranceiver_type = 0;
+ s32 timeout = 3;
- /* Turn I2C interface ON */
+ /* Turn I2C interface ON and power on sfp cage */
ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
+ ctrl_ext &= ~E1000_CTRL_EXT_SDP3_DATA;
E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext | E1000_CTRL_I2C_ENA);
+ E1000_WRITE_FLUSH(hw);
+
/* Read SFP module data */
- ret_val = e1000_read_sfp_data_byte(hw,
+ while (timeout) {
+ ret_val = e1000_read_sfp_data_byte(hw,
E1000_I2CCMD_SFP_DATA_ADDR(E1000_SFF_IDENTIFIER_OFFSET),
&tranceiver_type);
+ if (ret_val == E1000_SUCCESS)
+ break;
+ msec_delay(100);
+ timeout--;
+ }
if (ret_val != E1000_SUCCESS)
goto out;
+
ret_val = e1000_read_sfp_data_byte(hw,
E1000_I2CCMD_SFP_DATA_ADDR(E1000_SFF_ETH_FLAGS_OFFSET),
- (u8 *)ð_flags);
+ (u8 *)eth_flags);
if (ret_val != E1000_SUCCESS)
goto out;
- /*
- * Check if there is some SFP
- * module plugged and powered
- */
+
+ /* Check if there is some SFP module plugged and powered */
if ((tranceiver_type == E1000_SFF_IDENTIFIER_SFP) ||
(tranceiver_type == E1000_SFF_IDENTIFIER_SFF)) {
dev_spec->module_plugged = true;
- if (eth_flags.e1000_base_lx || eth_flags.e1000_base_sx) {
+ if (eth_flags->e1000_base_lx || eth_flags->e1000_base_sx) {
+ hw->phy.media_type = e1000_media_type_internal_serdes;
+ } else if (eth_flags->e100_base_fx) {
+ dev_spec->sgmii_active = true;
hw->phy.media_type = e1000_media_type_internal_serdes;
- } else if (eth_flags.e1000_base_t) {
+ } else if (eth_flags->e1000_base_t) {
dev_spec->sgmii_active = true;
hw->phy.media_type = e1000_media_type_copper;
} else {
- hw->phy.media_type = e1000_media_type_unknown;
- DEBUGOUT("PHY module has not been recognized\n");
- goto out;
+ hw->phy.media_type = e1000_media_type_unknown;
+ DEBUGOUT("PHY module has not been recognized\n");
+ goto out;
}
} else {
hw->phy.media_type = e1000_media_type_unknown;
**/
void e1000_vmdq_set_anti_spoofing_pf(struct e1000_hw *hw, bool enable, int pf)
{
- u32 dtxswc;
+ u32 reg_val, reg_offset;
switch (hw->mac.type) {
case e1000_82576:
- dtxswc = E1000_READ_REG(hw, E1000_DTXSWC);
- if (enable) {
- dtxswc |= (E1000_DTXSWC_MAC_SPOOF_MASK |
- E1000_DTXSWC_VLAN_SPOOF_MASK);
- /* The PF can spoof - it has to in order to
- * support emulation mode NICs */
- dtxswc ^= (1 << pf | 1 << (pf +
- E1000_DTXSWC_VLAN_SPOOF_SHIFT));
- } else {
- dtxswc &= ~(E1000_DTXSWC_MAC_SPOOF_MASK |
- E1000_DTXSWC_VLAN_SPOOF_MASK);
- }
- E1000_WRITE_REG(hw, E1000_DTXSWC, dtxswc);
+ reg_offset = E1000_DTXSWC;
break;
case e1000_i350:
- dtxswc = E1000_READ_REG(hw, E1000_TXSWC);
- if (enable) {
- dtxswc |= (E1000_DTXSWC_MAC_SPOOF_MASK |
- E1000_DTXSWC_VLAN_SPOOF_MASK);
- /* The PF can spoof - it has to in order to
- * support emulation mode NICs
- */
- dtxswc ^= (1 << pf | 1 << (pf +
- E1000_DTXSWC_VLAN_SPOOF_SHIFT));
- } else {
- dtxswc &= ~(E1000_DTXSWC_MAC_SPOOF_MASK |
- E1000_DTXSWC_VLAN_SPOOF_MASK);
- }
- E1000_WRITE_REG(hw, E1000_TXSWC, dtxswc);
- default:
+ case e1000_i354:
+ reg_offset = E1000_TXSWC;
break;
+ default:
+ return;
}
+
+ reg_val = E1000_READ_REG(hw, reg_offset);
+ if (enable) {
+ reg_val |= (E1000_DTXSWC_MAC_SPOOF_MASK |
+ E1000_DTXSWC_VLAN_SPOOF_MASK);
+ /* The PF can spoof - it has to in order to
+ * support emulation mode NICs
+ */
+ reg_val ^= (1 << pf | 1 << (pf + MAX_NUM_VFS));
+ } else {
+ reg_val &= ~(E1000_DTXSWC_MAC_SPOOF_MASK |
+ E1000_DTXSWC_VLAN_SPOOF_MASK);
+ }
+ E1000_WRITE_REG(hw, reg_offset, reg_val);
}
/**
E1000_WRITE_REG(hw, E1000_DTXSWC, dtxswc);
break;
case e1000_i350:
+ case e1000_i354:
dtxswc = E1000_READ_REG(hw, E1000_TXSWC);
if (enable)
dtxswc |= E1000_DTXSWC_VMDQ_LOOPBACK_EN;
hw->dev_spec._82575.global_device_reset = false;
+ /* 82580 does not reliably do global_device_reset due to hw errata */
+ if (hw->mac.type == e1000_82580)
+ global_device_reset = false;
+
/* Get current control state. */
ctrl = E1000_READ_REG(hw, E1000_CTRL);
DEBUGOUT("Auto Read Done did not complete\n");
}
- /* If EEPROM is not present, run manual init scripts */
- if ((E1000_READ_REG(hw, E1000_EECD) & E1000_EECD_PRES) == 0)
- e1000_reset_init_script_82575(hw);
-
/* clear global device reset status bit */
E1000_WRITE_REG(hw, E1000_STATUS, E1000_STAT_DEV_RST_SET);
goto out;
}
- if ((nvm_data & NVM_COMPATIBILITY_BIT_MASK) == 0) {
+ if (!(nvm_data & NVM_COMPATIBILITY_BIT_MASK)) {
/* set compatibility bit to validate checksums appropriately */
nvm_data = nvm_data | NVM_COMPATIBILITY_BIT_MASK;
ret_val = hw->nvm.ops.write(hw, NVM_COMPATIBILITY_REG_3, 1,
return ret_val;
}
+/**
+ * __e1000_access_emi_reg - Read/write EMI register
+ * @hw: pointer to the HW structure
+ * @addr: EMI address to program
+ * @data: pointer to value to read/write from/to the EMI address
+ * @read: boolean flag to indicate read or write
+ **/
+static s32 __e1000_access_emi_reg(struct e1000_hw *hw, u16 address,
+ u16 *data, bool read)
+{
+ s32 ret_val = E1000_SUCCESS;
+
+ DEBUGFUNC("__e1000_access_emi_reg");
+
+ ret_val = hw->phy.ops.write_reg(hw, E1000_EMIADD, address);
+ if (ret_val)
+ return ret_val;
+
+ if (read)
+ ret_val = hw->phy.ops.read_reg(hw, E1000_EMIDATA, data);
+ else
+ ret_val = hw->phy.ops.write_reg(hw, E1000_EMIDATA, *data);
+
+ return ret_val;
+}
+
+/**
+ * e1000_read_emi_reg - Read Extended Management Interface register
+ * @hw: pointer to the HW structure
+ * @addr: EMI address to program
+ * @data: value to be read from the EMI address
+ **/
+s32 e1000_read_emi_reg(struct e1000_hw *hw, u16 addr, u16 *data)
+{
+ DEBUGFUNC("e1000_read_emi_reg");
+
+ return __e1000_access_emi_reg(hw, addr, data, true);
+}
+
/**
* e1000_set_eee_i350 - Enable/disable EEE support
* @hw: pointer to the HW structure
/* enable or disable per user setting */
if (!(hw->dev_spec._82575.eee_disable)) {
+ u32 eee_su = E1000_READ_REG(hw, E1000_EEE_SU);
+
ipcnfg |= (E1000_IPCNFG_EEE_1G_AN | E1000_IPCNFG_EEE_100M_AN);
eeer |= (E1000_EEER_TX_LPI_EN | E1000_EEER_RX_LPI_EN |
E1000_EEER_LPI_FC);
+ /* This bit should not be set in normal operation. */
+ if (eee_su & E1000_EEE_SU_LPI_CLK_STP)
+ DEBUGOUT("LPI Clock Stop Bit should not be set!\n");
} else {
ipcnfg &= ~(E1000_IPCNFG_EEE_1G_AN | E1000_IPCNFG_EEE_100M_AN);
eeer &= ~(E1000_EEER_TX_LPI_EN | E1000_EEER_RX_LPI_EN |
return ret_val;
}
+/**
+ * e1000_set_eee_i354 - Enable/disable EEE support
+ * @hw: pointer to the HW structure
+ *
+ * Enable/disable EEE legacy mode based on setting in dev_spec structure.
+ *
+ **/
+s32 e1000_set_eee_i354(struct e1000_hw *hw)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ s32 ret_val = E1000_SUCCESS;
+ u16 phy_data;
+
+ DEBUGFUNC("e1000_set_eee_i354");
+
+ if ((hw->phy.media_type != e1000_media_type_copper) ||
+ ((phy->id != M88E1543_E_PHY_ID)))
+ goto out;
+
+ if (!hw->dev_spec._82575.eee_disable) {
+ /* Switch to PHY page 18. */
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 18);
+ if (ret_val)
+ goto out;
+
+ ret_val = phy->ops.read_reg(hw, E1000_M88E1543_EEE_CTRL_1,
+ &phy_data);
+ if (ret_val)
+ goto out;
+
+ phy_data |= E1000_M88E1543_EEE_CTRL_1_MS;
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1543_EEE_CTRL_1,
+ phy_data);
+ if (ret_val)
+ goto out;
+
+ /* Return the PHY to page 0. */
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0);
+ if (ret_val)
+ goto out;
+
+ /* Turn on EEE advertisement. */
+ ret_val = e1000_read_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+ E1000_EEE_ADV_DEV_I354,
+ &phy_data);
+ if (ret_val)
+ goto out;
+
+ phy_data |= E1000_EEE_ADV_100_SUPPORTED |
+ E1000_EEE_ADV_1000_SUPPORTED;
+ ret_val = e1000_write_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+ E1000_EEE_ADV_DEV_I354,
+ phy_data);
+ } else {
+ /* Turn off EEE advertisement. */
+ ret_val = e1000_read_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+ E1000_EEE_ADV_DEV_I354,
+ &phy_data);
+ if (ret_val)
+ goto out;
+
+ phy_data &= ~(E1000_EEE_ADV_100_SUPPORTED |
+ E1000_EEE_ADV_1000_SUPPORTED);
+ ret_val = e1000_write_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+ E1000_EEE_ADV_DEV_I354,
+ phy_data);
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_get_eee_status_i354 - Get EEE status
+ * @hw: pointer to the HW structure
+ * @status: EEE status
+ *
+ * Get EEE status by guessing based on whether Tx or Rx LPI indications have
+ * been received.
+ **/
+s32 e1000_get_eee_status_i354(struct e1000_hw *hw, bool *status)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ s32 ret_val = E1000_SUCCESS;
+ u16 phy_data;
+
+ DEBUGFUNC("e1000_get_eee_status_i354");
+
+ /* Check if EEE is supported on this device. */
+ if ((hw->phy.media_type != e1000_media_type_copper) ||
+ ((phy->id != M88E1543_E_PHY_ID)))
+ goto out;
+
+ ret_val = e1000_read_xmdio_reg(hw, E1000_PCS_STATUS_ADDR_I354,
+ E1000_PCS_STATUS_DEV_I354,
+ &phy_data);
+ if (ret_val)
+ goto out;
+
+ *status = phy_data & (E1000_PCS_STATUS_TX_LPI_RCVD |
+ E1000_PCS_STATUS_RX_LPI_RCVD) ? true : false;
+
+out:
+ return ret_val;
+}
+
/* Due to a hw errata, if the host tries to configure the VFTA register
* while performing queries from the BMC or DMA, then the VFTA in some
* cases won't be written.
u32 retry = 1;
u16 swfw_mask = 0;
- bool nack = 1;
+ bool nack = true;
DEBUGFUNC("e1000_read_i2c_byte_generic");
u32 i = 0;
u32 i2cctl = E1000_READ_REG(hw, E1000_I2CPARAMS);
u32 timeout = 10;
- bool ack = 1;
+ bool ack = true;
DEBUGFUNC("e1000_get_i2c_ack");
return E1000_ERR_I2C;
ack = e1000_get_i2c_data(&i2cctl);
- if (ack == 1) {
+ if (ack) {
DEBUGOUT("I2C ack was not received.\n");
status = E1000_ERR_I2C;
}