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Diffstat (limited to 'freebsd/sys/dev/e1000/e1000_82575.c')
-rw-r--r--freebsd/sys/dev/e1000/e1000_82575.c1725
1 files changed, 1519 insertions, 206 deletions
diff --git a/freebsd/sys/dev/e1000/e1000_82575.c b/freebsd/sys/dev/e1000/e1000_82575.c
index 4ce9d194..c7d00b54 100644
--- a/freebsd/sys/dev/e1000/e1000_82575.c
+++ b/freebsd/sys/dev/e1000/e1000_82575.c
@@ -2,7 +2,7 @@
/******************************************************************************
- Copyright (c) 2001-2010, Intel Corporation
+ Copyright (c) 2001-2013, Intel Corporation
All rights reserved.
Redistribution and use in source and binary forms, with or without
@@ -38,19 +38,21 @@
* 82575EB Gigabit Network Connection
* 82575EB Gigabit Backplane Connection
* 82575GB Gigabit Network Connection
- * 82575GB Gigabit Network Connection
* 82576 Gigabit Network Connection
* 82576 Quad Port Gigabit Mezzanine Adapter
+ * 82580 Gigabit Network Connection
+ * I350 Gigabit Network Connection
*/
#ifdef __rtems__
#include <dev/e1000/e1000_api.h>
+#include <dev/e1000/e1000_i210.h>
#else
#include <rtems/bsd/local/e1000_api.h>
-#endif
+#include <rtems/bsd/local/e1000_i210.h>
+#endif /* __rtems__ */
static s32 e1000_init_phy_params_82575(struct e1000_hw *hw);
-static s32 e1000_init_nvm_params_82575(struct e1000_hw *hw);
static s32 e1000_init_mac_params_82575(struct e1000_hw *hw);
static s32 e1000_acquire_phy_82575(struct e1000_hw *hw);
static void e1000_release_phy_82575(struct e1000_hw *hw);
@@ -59,28 +61,34 @@ static void e1000_release_nvm_82575(struct e1000_hw *hw);
static s32 e1000_check_for_link_82575(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);
+ u16 *duplex);
static s32 e1000_init_hw_82575(struct e1000_hw *hw);
static s32 e1000_phy_hw_reset_sgmii_82575(struct e1000_hw *hw);
static s32 e1000_read_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
- u16 *data);
+ u16 *data);
static s32 e1000_reset_hw_82575(struct e1000_hw *hw);
static s32 e1000_reset_hw_82580(struct e1000_hw *hw);
-static s32 e1000_read_phy_reg_82580(struct e1000_hw *hw,
- u32 offset, u16 *data);
-static s32 e1000_write_phy_reg_82580(struct e1000_hw *hw,
- u32 offset, u16 data);
+static s32 e1000_read_phy_reg_82580(struct e1000_hw *hw,
+ u32 offset, u16 *data);
+static s32 e1000_write_phy_reg_82580(struct e1000_hw *hw,
+ u32 offset, u16 data);
+static s32 e1000_set_d0_lplu_state_82580(struct e1000_hw *hw,
+ bool active);
+static s32 e1000_set_d3_lplu_state_82580(struct e1000_hw *hw,
+ bool active);
static s32 e1000_set_d0_lplu_state_82575(struct e1000_hw *hw,
- bool active);
+ bool active);
static s32 e1000_setup_copper_link_82575(struct e1000_hw *hw);
static s32 e1000_setup_serdes_link_82575(struct e1000_hw *hw);
+static s32 e1000_get_media_type_82575(struct e1000_hw *hw);
+static s32 e1000_set_sfp_media_type_82575(struct e1000_hw *hw);
static s32 e1000_valid_led_default_82575(struct e1000_hw *hw, u16 *data);
static s32 e1000_write_phy_reg_sgmii_82575(struct e1000_hw *hw,
- u32 offset, u16 data);
+ u32 offset, u16 data);
static void e1000_clear_hw_cntrs_82575(struct e1000_hw *hw);
static s32 e1000_acquire_swfw_sync_82575(struct e1000_hw *hw, u16 mask);
static s32 e1000_get_pcs_speed_and_duplex_82575(struct e1000_hw *hw,
- u16 *speed, u16 *duplex);
+ u16 *speed, u16 *duplex);
static s32 e1000_get_phy_id_82575(struct e1000_hw *hw);
static void e1000_release_swfw_sync_82575(struct e1000_hw *hw, u16 mask);
static bool e1000_sgmii_active_82575(struct e1000_hw *hw);
@@ -92,10 +100,31 @@ static void e1000_shutdown_serdes_link_82575(struct e1000_hw *hw);
static void e1000_power_up_serdes_link_82575(struct e1000_hw *hw);
static s32 e1000_set_pcie_completion_timeout(struct e1000_hw *hw);
static s32 e1000_reset_mdicnfg_82580(struct e1000_hw *hw);
-
-static const u16 e1000_82580_rxpbs_table[] =
- { 36, 72, 144, 1, 2, 4, 8, 16,
- 35, 70, 140 };
+static s32 e1000_validate_nvm_checksum_82580(struct e1000_hw *hw);
+static s32 e1000_update_nvm_checksum_82580(struct e1000_hw *hw);
+static s32 e1000_update_nvm_checksum_with_offset(struct e1000_hw *hw,
+ u16 offset);
+static s32 e1000_validate_nvm_checksum_with_offset(struct e1000_hw *hw,
+ u16 offset);
+static s32 e1000_validate_nvm_checksum_i350(struct e1000_hw *hw);
+static s32 e1000_update_nvm_checksum_i350(struct e1000_hw *hw);
+static void e1000_write_vfta_i350(struct e1000_hw *hw, u32 offset, u32 value);
+static void e1000_clear_vfta_i350(struct e1000_hw *hw);
+
+static void e1000_i2c_start(struct e1000_hw *hw);
+static void e1000_i2c_stop(struct e1000_hw *hw);
+static s32 e1000_clock_in_i2c_byte(struct e1000_hw *hw, u8 *data);
+static s32 e1000_clock_out_i2c_byte(struct e1000_hw *hw, u8 data);
+static s32 e1000_get_i2c_ack(struct e1000_hw *hw);
+static s32 e1000_clock_in_i2c_bit(struct e1000_hw *hw, bool *data);
+static s32 e1000_clock_out_i2c_bit(struct e1000_hw *hw, bool data);
+static void e1000_raise_i2c_clk(struct e1000_hw *hw, u32 *i2cctl);
+static void e1000_lower_i2c_clk(struct e1000_hw *hw, u32 *i2cctl);
+static s32 e1000_set_i2c_data(struct e1000_hw *hw, u32 *i2cctl, bool data);
+static bool e1000_get_i2c_data(u32 *i2cctl);
+
+static const u16 e1000_82580_rxpbs_table[] = {
+ 36, 72, 144, 1, 2, 4, 8, 16, 35, 70, 140 };
#define E1000_82580_RXPBS_TABLE_SIZE \
(sizeof(e1000_82580_rxpbs_table)/sizeof(u16))
@@ -121,6 +150,9 @@ static bool e1000_sgmii_uses_mdio_82575(struct e1000_hw *hw)
ext_mdio = !!(reg & E1000_MDIC_DEST);
break;
case e1000_82580:
+ case e1000_i350:
+ case e1000_i210:
+ case e1000_i211:
reg = E1000_READ_REG(hw, E1000_MDICNFG);
ext_mdio = !!(reg & E1000_MDICNFG_EXT_MDIO);
break;
@@ -142,6 +174,9 @@ static s32 e1000_init_phy_params_82575(struct e1000_hw *hw)
DEBUGFUNC("e1000_init_phy_params_82575");
+ phy->ops.read_i2c_byte = e1000_read_i2c_byte_generic;
+ phy->ops.write_i2c_byte = e1000_write_i2c_byte_generic;
+
if (hw->phy.media_type != e1000_media_type_copper) {
phy->type = e1000_phy_none;
goto out;
@@ -150,37 +185,47 @@ static s32 e1000_init_phy_params_82575(struct e1000_hw *hw)
phy->ops.power_up = e1000_power_up_phy_copper;
phy->ops.power_down = e1000_power_down_phy_copper_82575;
- phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
- phy->reset_delay_us = 100;
+ phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
+ phy->reset_delay_us = 100;
- phy->ops.acquire = e1000_acquire_phy_82575;
- phy->ops.check_reset_block = e1000_check_reset_block_generic;
- phy->ops.commit = e1000_phy_sw_reset_generic;
- phy->ops.get_cfg_done = e1000_get_cfg_done_82575;
- phy->ops.release = e1000_release_phy_82575;
+ phy->ops.acquire = e1000_acquire_phy_82575;
+ phy->ops.check_reset_block = e1000_check_reset_block_generic;
+ phy->ops.commit = e1000_phy_sw_reset_generic;
+ phy->ops.get_cfg_done = e1000_get_cfg_done_82575;
+ phy->ops.release = e1000_release_phy_82575;
ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
if (e1000_sgmii_active_82575(hw)) {
- phy->ops.reset = e1000_phy_hw_reset_sgmii_82575;
+ phy->ops.reset = e1000_phy_hw_reset_sgmii_82575;
ctrl_ext |= E1000_CTRL_I2C_ENA;
} else {
- phy->ops.reset = e1000_phy_hw_reset_generic;
+ phy->ops.reset = e1000_phy_hw_reset_generic;
ctrl_ext &= ~E1000_CTRL_I2C_ENA;
}
E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
e1000_reset_mdicnfg_82580(hw);
-
+
if (e1000_sgmii_active_82575(hw) && !e1000_sgmii_uses_mdio_82575(hw)) {
- phy->ops.read_reg = e1000_read_phy_reg_sgmii_82575;
- phy->ops.write_reg = e1000_write_phy_reg_sgmii_82575;
- } else if (hw->mac.type >= e1000_82580) {
- phy->ops.read_reg = e1000_read_phy_reg_82580;
- phy->ops.write_reg = e1000_write_phy_reg_82580;
+ phy->ops.read_reg = e1000_read_phy_reg_sgmii_82575;
+ phy->ops.write_reg = e1000_write_phy_reg_sgmii_82575;
} else {
- phy->ops.read_reg = e1000_read_phy_reg_igp;
- phy->ops.write_reg = e1000_write_phy_reg_igp;
+ switch (hw->mac.type) {
+ case e1000_82580:
+ case e1000_i350:
+ 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;
+ }
}
/* Set phy->phy_addr and phy->id. */
@@ -188,29 +233,51 @@ static s32 e1000_init_phy_params_82575(struct e1000_hw *hw)
/* Verify phy id and set remaining function pointers */
switch (phy->id) {
+ case I347AT4_E_PHY_ID:
+ case M88E1112_E_PHY_ID:
+ case M88E1340M_E_PHY_ID:
case M88E1111_I_PHY_ID:
- phy->type = e1000_phy_m88;
- 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;
+ phy->type = e1000_phy_m88;
+ phy->ops.check_polarity = e1000_check_polarity_m88;
+ phy->ops.get_info = e1000_get_phy_info_m88;
+ if (phy->id == I347AT4_E_PHY_ID ||
+ phy->id == M88E1112_E_PHY_ID ||
+ phy->id == M88E1340M_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;
break;
case IGP03E1000_E_PHY_ID:
case IGP04E1000_E_PHY_ID:
- phy->type = e1000_phy_igp_3;
- phy->ops.check_polarity = e1000_check_polarity_igp;
- phy->ops.get_info = e1000_get_phy_info_igp;
- phy->ops.get_cable_length = e1000_get_cable_length_igp_2;
+ phy->type = e1000_phy_igp_3;
+ phy->ops.check_polarity = e1000_check_polarity_igp;
+ phy->ops.get_info = e1000_get_phy_info_igp;
+ phy->ops.get_cable_length = e1000_get_cable_length_igp_2;
phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_igp;
- phy->ops.set_d0_lplu_state = e1000_set_d0_lplu_state_82575;
- phy->ops.set_d3_lplu_state = e1000_set_d3_lplu_state_generic;
+ phy->ops.set_d0_lplu_state = e1000_set_d0_lplu_state_82575;
+ phy->ops.set_d3_lplu_state = e1000_set_d3_lplu_state_generic;
break;
case I82580_I_PHY_ID:
- phy->type = e1000_phy_82580;
- phy->ops.check_polarity = e1000_check_polarity_82577;
- phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_82577;
- phy->ops.get_cable_length = e1000_get_cable_length_82577;
- phy->ops.get_info = e1000_get_phy_info_82577;
+ case I350_I_PHY_ID:
+ phy->type = e1000_phy_82580;
+ phy->ops.check_polarity = e1000_check_polarity_82577;
+ phy->ops.force_speed_duplex =
+ e1000_phy_force_speed_duplex_82577;
+ phy->ops.get_cable_length = e1000_get_cable_length_82577;
+ phy->ops.get_info = e1000_get_phy_info_82577;
+ 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;
@@ -225,7 +292,7 @@ out:
* e1000_init_nvm_params_82575 - Init NVM func ptrs.
* @hw: pointer to the HW structure
**/
-static s32 e1000_init_nvm_params_82575(struct e1000_hw *hw)
+s32 e1000_init_nvm_params_82575(struct e1000_hw *hw)
{
struct e1000_nvm_info *nvm = &hw->nvm;
u32 eecd = E1000_READ_REG(hw, E1000_EECD);
@@ -233,47 +300,74 @@ static s32 e1000_init_nvm_params_82575(struct e1000_hw *hw)
DEBUGFUNC("e1000_init_nvm_params_82575");
- 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;
-
size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
- E1000_EECD_SIZE_EX_SHIFT);
-
+ E1000_EECD_SIZE_EX_SHIFT);
/*
* Added to a constant, "size" becomes the left-shift value
* for setting word_size.
*/
size += NVM_WORD_SIZE_BASE_SHIFT;
- /* EEPROM access above 16k is unsupported */
- if (size > 14)
- size = 14;
+ /* Just in case size is out of range, cap it to the largest
+ * EEPROM size supported
+ */
+ if (size > 15)
+ size = 15;
+
nvm->word_size = 1 << size;
+ 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;
+
+ nvm->type = e1000_nvm_eeprom_spi;
+ } else {
+ nvm->type = e1000_nvm_flash_hw;
+ }
/* Function Pointers */
- nvm->ops.acquire = e1000_acquire_nvm_82575;
- nvm->ops.read = e1000_read_nvm_eerd;
- nvm->ops.release = e1000_release_nvm_82575;
- nvm->ops.update = e1000_update_nvm_checksum_generic;
+ nvm->ops.acquire = e1000_acquire_nvm_82575;
+ nvm->ops.release = e1000_release_nvm_82575;
+ if (nvm->word_size < (1 << 15))
+ nvm->ops.read = e1000_read_nvm_eerd;
+ else
+ nvm->ops.read = e1000_read_nvm_spi;
+
+ nvm->ops.write = e1000_write_nvm_spi;
+ nvm->ops.validate = e1000_validate_nvm_checksum_generic;
+ nvm->ops.update = e1000_update_nvm_checksum_generic;
nvm->ops.valid_led_default = e1000_valid_led_default_82575;
- nvm->ops.validate = e1000_validate_nvm_checksum_generic;
- nvm->ops.write = e1000_write_nvm_spi;
+
+ /* override generic family function pointers for specific descendants */
+ switch (hw->mac.type) {
+ case e1000_82580:
+ nvm->ops.validate = e1000_validate_nvm_checksum_82580;
+ nvm->ops.update = e1000_update_nvm_checksum_82580;
+ break;
+ case e1000_i350:
+ nvm->ops.validate = e1000_validate_nvm_checksum_i350;
+ nvm->ops.update = e1000_update_nvm_checksum_i350;
+ break;
+ default:
+ break;
+ }
return E1000_SUCCESS;
}
@@ -286,34 +380,11 @@ static s32 e1000_init_mac_params_82575(struct e1000_hw *hw)
{
struct e1000_mac_info *mac = &hw->mac;
struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
- u32 ctrl_ext = 0;
DEBUGFUNC("e1000_init_mac_params_82575");
- /* Set media type */
- /*
- * The 82575 uses bits 22:23 for link mode. The mode can be changed
- * based on the EEPROM. We cannot rely upon device ID. There
- * is no distinguishable difference between fiber and internal
- * SerDes mode on the 82575. There can be an external PHY attached
- * on the SGMII interface. For this, we'll set sgmii_active to TRUE.
- */
- hw->phy.media_type = e1000_media_type_copper;
- dev_spec->sgmii_active = FALSE;
-
- ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
- switch (ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK) {
- case E1000_CTRL_EXT_LINK_MODE_SGMII:
- dev_spec->sgmii_active = TRUE;
- break;
- case E1000_CTRL_EXT_LINK_MODE_1000BASE_KX:
- case E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES:
- hw->phy.media_type = e1000_media_type_internal_serdes;
- break;
- default:
- break;
- }
-
+ /* Derives media type */
+ e1000_get_media_type_82575(hw);
/* Set mta register count */
mac->mta_reg_count = 128;
/* Set uta register count */
@@ -324,14 +395,24 @@ static s32 e1000_init_mac_params_82575(struct e1000_hw *hw)
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)
+ mac->rar_entry_count = E1000_RAR_ENTRIES_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;
/* FWSM register */
mac->has_fwsm = TRUE;
/* ARC supported; valid only if manageability features are enabled. */
mac->arc_subsystem_valid =
- (E1000_READ_REG(hw, E1000_FWSM) & E1000_FWSM_MODE_MASK)
- ? TRUE : FALSE;
+ !!(E1000_READ_REG(hw, E1000_FWSM) & E1000_FWSM_MODE_MASK);
/* Function pointers */
@@ -348,27 +429,34 @@ static s32 e1000_init_mac_params_82575(struct e1000_hw *hw)
mac->ops.setup_link = e1000_setup_link_generic;
/* physical interface link setup */
mac->ops.setup_physical_interface =
- (hw->phy.media_type == e1000_media_type_copper)
- ? e1000_setup_copper_link_82575
- : e1000_setup_serdes_link_82575;
+ (hw->phy.media_type == e1000_media_type_copper)
+ ? e1000_setup_copper_link_82575 : e1000_setup_serdes_link_82575;
/* physical interface shutdown */
mac->ops.shutdown_serdes = e1000_shutdown_serdes_link_82575;
/* physical interface power up */
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;
- /* writing VFTA */
- mac->ops.write_vfta = e1000_write_vfta_generic;
- /* clearing VFTA */
- mac->ops.clear_vfta = e1000_clear_vfta_generic;
+ if (mac->type == e1000_i350) {
+ /* writing VFTA */
+ mac->ops.write_vfta = e1000_write_vfta_i350;
+ /* clearing VFTA */
+ mac->ops.clear_vfta = e1000_clear_vfta_i350;
+ } else {
+ /* writing VFTA */
+ mac->ops.write_vfta = e1000_write_vfta_generic;
+ /* 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 */
@@ -384,6 +472,13 @@ static s32 e1000_init_mac_params_82575(struct e1000_hw *hw)
mac->ops.clear_hw_cntrs = e1000_clear_hw_cntrs_82575;
/* link info */
mac->ops.get_link_up_info = e1000_get_link_up_info_82575;
+ /* 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);
@@ -426,7 +521,7 @@ static s32 e1000_acquire_phy_82575(struct e1000_hw *hw)
else if (hw->bus.func == E1000_FUNC_3)
mask = E1000_SWFW_PHY3_SM;
- return e1000_acquire_swfw_sync_82575(hw, mask);
+ return hw->mac.ops.acquire_swfw_sync(hw, mask);
}
/**
@@ -448,7 +543,7 @@ static void e1000_release_phy_82575(struct e1000_hw *hw)
else if (hw->bus.func == E1000_FUNC_3)
mask = E1000_SWFW_PHY3_SM;
- e1000_release_swfw_sync_82575(hw, mask);
+ hw->mac.ops.release_swfw_sync(hw, mask);
}
/**
@@ -461,7 +556,7 @@ static void e1000_release_phy_82575(struct e1000_hw *hw)
* interface and stores the retrieved information in data.
**/
static s32 e1000_read_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
- u16 *data)
+ u16 *data)
{
s32 ret_val = -E1000_ERR_PARAM;
@@ -494,7 +589,7 @@ out:
* media independent interface.
**/
static s32 e1000_write_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
- u16 data)
+ u16 data)
{
s32 ret_val = -E1000_ERR_PARAM;
@@ -556,6 +651,9 @@ static s32 e1000_get_phy_id_82575(struct e1000_hw *hw)
phy->addr = mdic >> E1000_MDIC_PHY_SHIFT;
break;
case e1000_82580:
+ case e1000_i350:
+ 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;
@@ -572,7 +670,7 @@ static s32 e1000_get_phy_id_82575(struct e1000_hw *hw)
/* Power on sgmii phy if it is disabled */
ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
E1000_WRITE_REG(hw, E1000_CTRL_EXT,
- ctrl_ext & ~E1000_CTRL_EXT_SDP3_DATA);
+ ctrl_ext & ~E1000_CTRL_EXT_SDP3_DATA);
E1000_WRITE_FLUSH(hw);
msec_delay(300);
@@ -584,8 +682,7 @@ static s32 e1000_get_phy_id_82575(struct e1000_hw *hw)
ret_val = e1000_read_phy_reg_sgmii_82575(hw, PHY_ID1, &phy_id);
if (ret_val == E1000_SUCCESS) {
DEBUGOUT2("Vendor ID 0x%08X read at address %u\n",
- phy_id,
- phy->addr);
+ phy_id, phy->addr);
/*
* At the time of this writing, The M88 part is
* the only supported SGMII PHY product.
@@ -594,7 +691,7 @@ static s32 e1000_get_phy_id_82575(struct e1000_hw *hw)
break;
} else {
DEBUGOUT1("PHY address %u was unreadable\n",
- phy->addr);
+ phy->addr);
}
}
@@ -680,22 +777,22 @@ static s32 e1000_set_d0_lplu_state_82575(struct e1000_hw *hw, bool active)
if (active) {
data |= IGP02E1000_PM_D0_LPLU;
ret_val = phy->ops.write_reg(hw, IGP02E1000_PHY_POWER_MGMT,
- data);
+ data);
if (ret_val)
goto out;
/* When LPLU is enabled, we should disable SmartSpeed */
ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ &data);
data &= ~IGP01E1000_PSCFR_SMART_SPEED;
ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
- data);
+ data);
if (ret_val)
goto out;
} else {
data &= ~IGP02E1000_PM_D0_LPLU;
ret_val = phy->ops.write_reg(hw, IGP02E1000_PHY_POWER_MGMT,
- data);
+ data);
/*
* LPLU and SmartSpeed are mutually exclusive. LPLU is used
* during Dx states where the power conservation is most
@@ -704,28 +801,28 @@ static s32 e1000_set_d0_lplu_state_82575(struct e1000_hw *hw, bool active)
*/
if (phy->smart_speed == e1000_smart_speed_on) {
ret_val = phy->ops.read_reg(hw,
- IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ IGP01E1000_PHY_PORT_CONFIG,
+ &data);
if (ret_val)
goto out;
data |= IGP01E1000_PSCFR_SMART_SPEED;
ret_val = phy->ops.write_reg(hw,
- IGP01E1000_PHY_PORT_CONFIG,
- data);
+ IGP01E1000_PHY_PORT_CONFIG,
+ data);
if (ret_val)
goto out;
} else if (phy->smart_speed == e1000_smart_speed_off) {
ret_val = phy->ops.read_reg(hw,
- IGP01E1000_PHY_PORT_CONFIG,
- &data);
+ IGP01E1000_PHY_PORT_CONFIG,
+ &data);
if (ret_val)
goto out;
data &= ~IGP01E1000_PSCFR_SMART_SPEED;
ret_val = phy->ops.write_reg(hw,
- IGP01E1000_PHY_PORT_CONFIG,
- data);
+ IGP01E1000_PHY_PORT_CONFIG,
+ data);
if (ret_val)
goto out;
}
@@ -736,6 +833,101 @@ out:
}
/**
+ * e1000_set_d0_lplu_state_82580 - Set Low Power Linkup D0 state
+ * @hw: pointer to the HW structure
+ * @active: TRUE to enable LPLU, FALSE to disable
+ *
+ * Sets the LPLU D0 state according to the active flag. When
+ * activating LPLU this function also disables smart speed
+ * and vice versa. LPLU will not be activated unless the
+ * device autonegotiation advertisement meets standards of
+ * either 10 or 10/100 or 10/100/1000 at all duplexes.
+ * This is a function pointer entry point only called by
+ * PHY setup routines.
+ **/
+static s32 e1000_set_d0_lplu_state_82580(struct e1000_hw *hw, bool active)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ s32 ret_val = E1000_SUCCESS;
+ u32 data;
+
+ DEBUGFUNC("e1000_set_d0_lplu_state_82580");
+
+ data = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
+
+ if (active) {
+ data |= E1000_82580_PM_D0_LPLU;
+
+ /* When LPLU is enabled, we should disable SmartSpeed */
+ data &= ~E1000_82580_PM_SPD;
+ } else {
+ data &= ~E1000_82580_PM_D0_LPLU;
+
+ /*
+ * LPLU and SmartSpeed are mutually exclusive. LPLU is used
+ * during Dx states where the power conservation is most
+ * important. During driver activity we should enable
+ * SmartSpeed, so performance is maintained.
+ */
+ if (phy->smart_speed == e1000_smart_speed_on)
+ data |= E1000_82580_PM_SPD;
+ else if (phy->smart_speed == e1000_smart_speed_off)
+ data &= ~E1000_82580_PM_SPD;
+ }
+
+ E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, data);
+ return ret_val;
+}
+
+/**
+ * e1000_set_d3_lplu_state_82580 - Sets low power link up state for D3
+ * @hw: pointer to the HW structure
+ * @active: boolean used to enable/disable lplu
+ *
+ * Success returns 0, Failure returns 1
+ *
+ * The low power link up (lplu) state is set to the power management level D3
+ * and SmartSpeed is disabled when active is TRUE, else clear lplu for D3
+ * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU
+ * is used during Dx states where the power conservation is most important.
+ * During driver activity, SmartSpeed should be enabled so performance is
+ * maintained.
+ **/
+s32 e1000_set_d3_lplu_state_82580(struct e1000_hw *hw, bool active)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ s32 ret_val = E1000_SUCCESS;
+ u32 data;
+
+ DEBUGFUNC("e1000_set_d3_lplu_state_82580");
+
+ data = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
+
+ if (!active) {
+ data &= ~E1000_82580_PM_D3_LPLU;
+ /*
+ * LPLU and SmartSpeed are mutually exclusive. LPLU is used
+ * during Dx states where the power conservation is most
+ * important. During driver activity we should enable
+ * SmartSpeed, so performance is maintained.
+ */
+ if (phy->smart_speed == e1000_smart_speed_on)
+ data |= E1000_82580_PM_SPD;
+ else if (phy->smart_speed == e1000_smart_speed_off)
+ data &= ~E1000_82580_PM_SPD;
+ } else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||
+ (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||
+ (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {
+ data |= E1000_82580_PM_D3_LPLU;
+ /* When LPLU is enabled, we should disable SmartSpeed */
+ data &= ~E1000_82580_PM_SPD;
+ }
+
+ E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, data);
+ return ret_val;
+}
+
+/**
* e1000_acquire_nvm_82575 - Request for access to EEPROM
* @hw: pointer to the HW structure
*
@@ -754,8 +946,32 @@ static s32 e1000_acquire_nvm_82575(struct e1000_hw *hw)
if (ret_val)
goto out;
- ret_val = e1000_acquire_nvm_generic(hw);
+ /*
+ * Check if there is some access
+ * error this access may hook on
+ */
+ if (hw->mac.type == e1000_i350) {
+ u32 eecd = E1000_READ_REG(hw, E1000_EECD);
+ if (eecd & (E1000_EECD_BLOCKED | E1000_EECD_ABORT |
+ E1000_EECD_TIMEOUT)) {
+ /* Clear all access error flags */
+ E1000_WRITE_REG(hw, E1000_EECD, eecd |
+ E1000_EECD_ERROR_CLR);
+ DEBUGOUT("Nvm bit banging access error detected and cleared.\n");
+ }
+ }
+ if (hw->mac.type == e1000_82580) {
+ u32 eecd = E1000_READ_REG(hw, E1000_EECD);
+ if (eecd & E1000_EECD_BLOCKED) {
+ /* Clear access error flag */
+ E1000_WRITE_REG(hw, E1000_EECD, eecd |
+ E1000_EECD_BLOCKED);
+ DEBUGOUT("Nvm bit banging access error detected and cleared.\n");
+ }
+ }
+
+ ret_val = e1000_acquire_nvm_generic(hw);
if (ret_val)
e1000_release_swfw_sync_82575(hw, E1000_SWFW_EEP_SM);
@@ -775,6 +991,7 @@ static void e1000_release_nvm_82575(struct e1000_hw *hw)
DEBUGFUNC("e1000_release_nvm_82575");
e1000_release_nvm_generic(hw);
+
e1000_release_swfw_sync_82575(hw, E1000_SWFW_EEP_SM);
}
@@ -844,8 +1061,8 @@ static void e1000_release_swfw_sync_82575(struct e1000_hw *hw, u16 mask)
DEBUGFUNC("e1000_release_swfw_sync_82575");
- while (e1000_get_hw_semaphore_generic(hw) != E1000_SUCCESS);
- /* Empty */
+ while (e1000_get_hw_semaphore_generic(hw) != E1000_SUCCESS)
+ ; /* Empty */
swfw_sync = E1000_READ_REG(hw, E1000_SW_FW_SYNC);
swfw_sync &= ~mask;
@@ -888,7 +1105,7 @@ static s32 e1000_get_cfg_done_82575(struct e1000_hw *hw)
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);
@@ -906,7 +1123,7 @@ static s32 e1000_get_cfg_done_82575(struct e1000_hw *hw)
* Otherwise, use the generic function to get the link speed and duplex info.
**/
static s32 e1000_get_link_up_info_82575(struct e1000_hw *hw, u16 *speed,
- u16 *duplex)
+ u16 *duplex)
{
s32 ret_val;
@@ -914,10 +1131,10 @@ static s32 e1000_get_link_up_info_82575(struct e1000_hw *hw, u16 *speed,
if (hw->phy.media_type != e1000_media_type_copper)
ret_val = e1000_get_pcs_speed_and_duplex_82575(hw, speed,
- duplex);
+ duplex);
else
ret_val = e1000_get_speed_and_duplex_copper_generic(hw, speed,
- duplex);
+ duplex);
return ret_val;
}
@@ -938,13 +1155,23 @@ static s32 e1000_check_for_link_82575(struct e1000_hw *hw)
if (hw->phy.media_type != e1000_media_type_copper) {
ret_val = e1000_get_pcs_speed_and_duplex_82575(hw, &speed,
- &duplex);
+ &duplex);
/*
* Use this flag to determine if link needs to be checked or
* not. If we have link clear the flag so that we do not
* continue to check for link.
*/
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);
}
@@ -991,18 +1218,13 @@ static void e1000_power_up_serdes_link_82575(struct e1000_hw *hw)
* duplex, then store the values in the pointers provided.
**/
static s32 e1000_get_pcs_speed_and_duplex_82575(struct e1000_hw *hw,
- u16 *speed, u16 *duplex)
+ u16 *speed, u16 *duplex)
{
struct e1000_mac_info *mac = &hw->mac;
u32 pcs;
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
@@ -1011,28 +1233,29 @@ static s32 e1000_get_pcs_speed_and_duplex_82575(struct e1000_hw *hw,
pcs = E1000_READ_REG(hw, E1000_PCS_LSTAT);
/*
- * The link up bit determines when link is up on autoneg. The sync ok
- * gets set once both sides sync up and agree upon link. Stable link
- * can be determined by checking for both link up and link sync ok
+ * The link up bit determines when link is up on autoneg.
*/
- if ((pcs & E1000_PCS_LSTS_LINK_OK) && (pcs & E1000_PCS_LSTS_SYNK_OK)) {
+ if (pcs & E1000_PCS_LSTS_LINK_OK) {
mac->serdes_has_link = TRUE;
/* Detect and store PCS speed */
- if (pcs & E1000_PCS_LSTS_SPEED_1000) {
+ if (pcs & E1000_PCS_LSTS_SPEED_1000)
*speed = SPEED_1000;
- } else if (pcs & E1000_PCS_LSTS_SPEED_100) {
+ else if (pcs & E1000_PCS_LSTS_SPEED_100)
*speed = SPEED_100;
- } else {
+ else
*speed = SPEED_10;
- }
/* Detect and store PCS duplex */
- if (pcs & E1000_PCS_LSTS_DUPLEX_FULL) {
+ if (pcs & E1000_PCS_LSTS_DUPLEX_FULL)
*duplex = FULL_DUPLEX;
- } else {
+ else
*duplex = HALF_DUPLEX;
- }
+
+ } else {
+ mac->serdes_has_link = FALSE;
+ *speed = 0;
+ *duplex = 0;
}
return E1000_SUCCESS;
@@ -1082,7 +1305,7 @@ void e1000_shutdown_serdes_link_82575(struct e1000_hw *hw)
**/
static s32 e1000_reset_hw_82575(struct e1000_hw *hw)
{
- u32 ctrl, icr;
+ u32 ctrl;
s32 ret_val;
DEBUGFUNC("e1000_reset_hw_82575");
@@ -1092,15 +1315,13 @@ static s32 e1000_reset_hw_82575(struct e1000_hw *hw)
* on the last TLP read/write transaction when MAC is reset.
*/
ret_val = e1000_disable_pcie_master_generic(hw);
- if (ret_val) {
+ if (ret_val)
DEBUGOUT("PCI-E Master disable polling has failed.\n");
- }
/* set the completion timeout for interface */
ret_val = e1000_set_pcie_completion_timeout(hw);
- if (ret_val) {
+ if (ret_val)
DEBUGOUT("PCI-E Set completion timeout has failed.\n");
- }
DEBUGOUT("Masking off all interrupts\n");
E1000_WRITE_REG(hw, E1000_IMC, 0xffffffff);
@@ -1127,12 +1348,12 @@ static s32 e1000_reset_hw_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. */
E1000_WRITE_REG(hw, E1000_IMC, 0xffffffff);
- icr = E1000_READ_REG(hw, E1000_ICR);
+ E1000_READ_REG(hw, E1000_ICR);
/* Install any alternate MAC address into RAR0 */
ret_val = e1000_check_alt_mac_addr_generic(hw);
@@ -1181,6 +1402,9 @@ static s32 e1000_init_hw_82575(struct e1000_hw *hw)
/* Setup link and flow control */
ret_val = mac->ops.setup_link(hw);
+ /* Set the default MTU size */
+ hw->dev_spec._82575.mtu = 1500;
+
/*
* Clear all of the statistics registers (clear on read). It is
* important that we do this after we have tried to establish link
@@ -1203,7 +1427,8 @@ static s32 e1000_init_hw_82575(struct e1000_hw *hw)
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");
@@ -1212,11 +1437,18 @@ static s32 e1000_setup_copper_link_82575(struct e1000_hw *hw)
ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
E1000_WRITE_REG(hw, E1000_CTRL, ctrl);
+ /* Clear Go Link Disconnect bit */
+ if (hw->mac.type >= e1000_82580) {
+ 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);
+ }
+
ret_val = e1000_setup_serdes_link_82575(hw);
if (ret_val)
goto out;
- if (e1000_sgmii_active_82575(hw) && !hw->phy.reset_disable) {
+ if (e1000_sgmii_active_82575(hw)) {
/* allow time for SFP cage time to power up phy */
msec_delay(300);
@@ -1227,8 +1459,19 @@ static s32 e1000_setup_copper_link_82575(struct e1000_hw *hw)
}
}
switch (hw->phy.type) {
+ case e1000_phy_i210:
case e1000_phy_m88:
- ret_val = e1000_copper_link_setup_m88(hw);
+ switch (hw->phy.id) {
+ case I347AT4_E_PHY_ID:
+ case M88E1112_E_PHY_ID:
+ case M88E1340M_E_PHY_ID:
+ case I210_I_PHY_ID:
+ ret_val = e1000_copper_link_setup_m88_gen2(hw);
+ 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);
@@ -1260,14 +1503,16 @@ out:
**/
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;
DEBUGFUNC("e1000_setup_serdes_link_82575");
if ((hw->phy.media_type != e1000_media_type_internal_serdes) &&
!e1000_sgmii_active_82575(hw))
- return E1000_SUCCESS;
+ return ret_val;
/*
* On the 82575, SerDes loopback mode persists until it is
@@ -1306,13 +1551,25 @@ static s32 e1000_setup_serdes_link_82575(struct e1000_hw *hw)
pcs_autoneg = FALSE;
/* fall through to default case */
default:
+ if (hw->mac.type == e1000_82575 ||
+ hw->mac.type == e1000_82576) {
+ ret_val = hw->nvm.ops.read(hw, NVM_COMPAT, 1, &data);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error\n");
+ return ret_val;
+ }
+
+ if (data & E1000_EEPROM_PCS_AUTONEG_DISABLE_BIT)
+ pcs_autoneg = FALSE;
+ }
+
/*
* non-SGMII modes only supports a speed of 1000/Full for the
* link so it is best to just force the MAC and let the pcs
* link either autoneg or be forced to 1000/Full
*/
ctrl_reg |= E1000_CTRL_SPD_1000 | E1000_CTRL_FRCSPD |
- E1000_CTRL_FD | E1000_CTRL_FRCDPX;
+ E1000_CTRL_FD | E1000_CTRL_FRCDPX;
/* set speed of 1000/Full if speed/duplex is forced */
reg |= E1000_PCS_LCTL_FSV_1000 | E1000_PCS_LCTL_FDV_FULL;
@@ -1328,31 +1585,203 @@ static s32 e1000_setup_serdes_link_82575(struct e1000_hw *hw)
* However, both are supported by the hardware and some drivers/tools.
*/
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;
+ E1000_PCS_LCTL_FSD | E1000_PCS_LCTL_FORCE_LINK);
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 */
+ 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 E1000_SUCCESS;
+ return ret_val;
+}
+
+/**
+ * e1000_get_media_type_82575 - derives current media type.
+ * @hw: pointer to the HW structure
+ *
+ * The media type is chosen reflecting few settings.
+ * The following are taken into account:
+ * - link mode set in the current port Init Control Word #3
+ * - current link mode settings in CSR register
+ * - MDIO vs. I2C PHY control interface chosen
+ * - SFP module media type
+ **/
+static s32 e1000_get_media_type_82575(struct e1000_hw *hw)
+{
+ struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
+ s32 ret_val = E1000_SUCCESS;
+ u32 ctrl_ext = 0;
+ u32 link_mode = 0;
+
+ /* Set internal phy as default */
+ dev_spec->sgmii_active = FALSE;
+ dev_spec->module_plugged = FALSE;
+
+ /* Get CSR setting */
+ ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
+
+ /* 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;
+ break;
+ case E1000_CTRL_EXT_LINK_MODE_GMII:
+ hw->phy.media_type = e1000_media_type_copper;
+ break;
+ case E1000_CTRL_EXT_LINK_MODE_SGMII:
+ /* 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;
+ 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;
+ }
+
+ /* 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;
+
+ if (hw->phy.media_type == e1000_media_type_copper)
+ ctrl_ext |= E1000_CTRL_EXT_LINK_MODE_SGMII;
+ else
+ ctrl_ext |= E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
+
+ E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
+
+ break;
+ }
+
+ return ret_val;
+}
+
+/**
+ * e1000_set_sfp_media_type_82575 - derives SFP module media type.
+ * @hw: pointer to the HW structure
+ *
+ * The media type is chosen based on SFP module.
+ * compatibility flags retrieved from SFP ID EEPROM.
+ **/
+static s32 e1000_set_sfp_media_type_82575(struct e1000_hw *hw)
+{
+ 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 = &dev_spec->eth_flags;
+ u8 tranceiver_type = 0;
+ s32 timeout = 3;
+
+ /* 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 */
+ 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 *)eth_flags);
+ if (ret_val != E1000_SUCCESS)
+ goto out;
+
+ /* 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) {
+ 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) {
+ 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;
+ }
+ } else {
+ hw->phy.media_type = e1000_media_type_unknown;
+ }
+ ret_val = E1000_SUCCESS;
+out:
+ /* Restore I2C interface setting */
+ E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
+ return ret_val;
}
/**
@@ -1376,7 +1805,7 @@ static s32 e1000_valid_led_default_82575(struct e1000_hw *hw, u16 *data)
}
if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) {
- switch(hw->phy.media_type) {
+ switch (hw->phy.media_type) {
case e1000_media_type_internal_serdes:
*data = ID_LED_DEFAULT_82575_SERDES;
break;
@@ -1411,7 +1840,7 @@ static bool e1000_sgmii_active_82575(struct e1000_hw *hw)
* Inits recommended HW defaults after a reset when there is no EEPROM
* detected. This is only for the 82575.
**/
-static s32 e1000_reset_init_script_82575(struct e1000_hw* hw)
+static s32 e1000_reset_init_script_82575(struct e1000_hw *hw)
{
DEBUGFUNC("e1000_reset_init_script_82575");
@@ -1576,7 +2005,7 @@ static void e1000_clear_hw_cntrs_82575(struct e1000_hw *hw)
}
/**
- * e1000_rx_fifo_flush_82575 - Clean rx fifo after RX enable
+ * e1000_rx_fifo_flush_82575 - Clean rx fifo after Rx enable
* @hw: pointer to the HW structure
*
* After rx enable if managability is enabled then there is likely some
@@ -1594,11 +2023,11 @@ void e1000_rx_fifo_flush_82575(struct e1000_hw *hw)
!(E1000_READ_REG(hw, E1000_MANC) & E1000_MANC_RCV_TCO_EN))
return;
- /* Disable all RX queues */
+ /* Disable all Rx queues */
for (i = 0; i < 4; i++) {
rxdctl[i] = E1000_READ_REG(hw, E1000_RXDCTL(i));
E1000_WRITE_REG(hw, E1000_RXDCTL(i),
- rxdctl[i] & ~E1000_RXDCTL_QUEUE_ENABLE);
+ rxdctl[i] & ~E1000_RXDCTL_QUEUE_ENABLE);
}
/* Poll all queues to verify they have shut down */
for (ms_wait = 0; ms_wait < 10; ms_wait++) {
@@ -1632,7 +2061,7 @@ void e1000_rx_fifo_flush_82575(struct e1000_hw *hw)
E1000_WRITE_FLUSH(hw);
msec_delay(2);
- /* Enable RX queues that were previously enabled and restore our
+ /* Enable Rx queues that were previously enabled and restore our
* previous state
*/
for (i = 0; i < 4; i++)
@@ -1684,14 +2113,14 @@ static s32 e1000_set_pcie_completion_timeout(struct e1000_hw *hw)
* 16ms to 55ms
*/
ret_val = e1000_read_pcie_cap_reg(hw, PCIE_DEVICE_CONTROL2,
- &pcie_devctl2);
+ &pcie_devctl2);
if (ret_val)
goto out;
pcie_devctl2 |= PCIE_DEVICE_CONTROL2_16ms;
ret_val = e1000_write_pcie_cap_reg(hw, PCIE_DEVICE_CONTROL2,
- &pcie_devctl2);
+ &pcie_devctl2);
out:
/* disable completion timeout resend */
gcr &= ~E1000_GCR_CMPL_TMOUT_RESEND;
@@ -1700,7 +2129,6 @@ out:
return ret_val;
}
-
/**
* e1000_vmdq_set_anti_spoofing_pf - enable or disable anti-spoofing
* @hw: pointer to the hardware struct
@@ -1721,13 +2149,29 @@ void e1000_vmdq_set_anti_spoofing_pf(struct e1000_hw *hw, bool enable, int pf)
E1000_DTXSWC_VLAN_SPOOF_MASK);
/* The PF can spoof - it has to in order to
* support emulation mode NICs */
- dtxswc ^= (1 << pf | 1 << (pf + MAX_NUM_VFS));
+ 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);
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:
break;
}
@@ -1753,6 +2197,14 @@ void e1000_vmdq_set_loopback_pf(struct e1000_hw *hw, bool enable)
dtxswc &= ~E1000_DTXSWC_VMDQ_LOOPBACK_EN;
E1000_WRITE_REG(hw, E1000_DTXSWC, dtxswc);
break;
+ case e1000_i350:
+ dtxswc = E1000_READ_REG(hw, E1000_TXSWC);
+ if (enable)
+ dtxswc |= E1000_DTXSWC_VMDQ_LOOPBACK_EN;
+ else
+ dtxswc &= ~E1000_DTXSWC_VMDQ_LOOPBACK_EN;
+ E1000_WRITE_REG(hw, E1000_TXSWC, dtxswc);
+ break;
default:
/* Currently no other hardware supports loopback */
break;
@@ -1845,7 +2297,7 @@ static s32 e1000_reset_mdicnfg_82580(struct e1000_hw *hw)
{
s32 ret_val = E1000_SUCCESS;
u32 mdicnfg;
- u16 nvm_data;
+ u16 nvm_data = 0;
DEBUGFUNC("e1000_reset_mdicnfg_82580");
@@ -1855,8 +2307,8 @@ static s32 e1000_reset_mdicnfg_82580(struct e1000_hw *hw)
goto out;
ret_val = hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A +
- NVM_82580_LAN_FUNC_OFFSET(hw->bus.func), 1,
- &nvm_data);
+ NVM_82580_LAN_FUNC_OFFSET(hw->bus.func), 1,
+ &nvm_data);
if (ret_val) {
DEBUGOUT("NVM Read Error\n");
goto out;
@@ -1884,13 +2336,17 @@ static s32 e1000_reset_hw_82580(struct e1000_hw *hw)
s32 ret_val = E1000_SUCCESS;
/* BH SW mailbox bit in SW_FW_SYNC */
u16 swmbsw_mask = E1000_SW_SYNCH_MB;
- u32 ctrl, icr;
+ u32 ctrl;
bool global_device_reset = hw->dev_spec._82575.global_device_reset;
DEBUGFUNC("e1000_reset_hw_82580");
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);
@@ -1911,17 +2367,18 @@ static s32 e1000_reset_hw_82580(struct e1000_hw *hw)
msec_delay(10);
/* Determine whether or not a global dev reset is requested */
- if (global_device_reset &&
- e1000_acquire_swfw_sync_82575(hw, swmbsw_mask))
+ if (global_device_reset && hw->mac.ops.acquire_swfw_sync(hw,
+ swmbsw_mask))
global_device_reset = FALSE;
- if (global_device_reset &&
- !(E1000_READ_REG(hw, E1000_STATUS) & E1000_STAT_DEV_RST_SET))
+ if (global_device_reset && !(E1000_READ_REG(hw, E1000_STATUS) &
+ E1000_STAT_DEV_RST_SET))
ctrl |= E1000_CTRL_DEV_RST;
else
ctrl |= E1000_CTRL_RST;
E1000_WRITE_REG(hw, E1000_CTRL, ctrl);
+ E1000_WRITE_FLUSH(hw);
/* Add delay to insure DEV_RST has time to complete */
if (global_device_reset)
@@ -1938,7 +2395,7 @@ static s32 e1000_reset_hw_82580(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 global device reset status bit */
@@ -1946,7 +2403,7 @@ static s32 e1000_reset_hw_82580(struct e1000_hw *hw)
/* Clear any pending interrupt events. */
E1000_WRITE_REG(hw, E1000_IMC, 0xffffffff);
- icr = E1000_READ_REG(hw, E1000_ICR);
+ E1000_READ_REG(hw, E1000_ICR);
ret_val = e1000_reset_mdicnfg_82580(hw);
if (ret_val)
@@ -1957,13 +2414,13 @@ static s32 e1000_reset_hw_82580(struct e1000_hw *hw)
/* Release semaphore */
if (global_device_reset)
- e1000_release_swfw_sync_82575(hw, swmbsw_mask);
+ hw->mac.ops.release_swfw_sync(hw, swmbsw_mask);
return ret_val;
}
/**
- * e1000_rxpbs_adjust_82580 - adjust RXPBS value to reflect actual RX PBA size
+ * e1000_rxpbs_adjust_82580 - adjust RXPBS value to reflect actual Rx PBA size
* @data: data received by reading RXPBS register
*
* The 82580 uses a table based approach for packet buffer allocation sizes.
@@ -1981,3 +2438,859 @@ u16 e1000_rxpbs_adjust_82580(u32 data)
return ret_val;
}
+
+/**
+ * e1000_validate_nvm_checksum_with_offset - Validate EEPROM
+ * checksum
+ * @hw: pointer to the HW structure
+ * @offset: offset in words of the checksum protected region
+ *
+ * Calculates the EEPROM checksum by reading/adding each word of the EEPROM
+ * and then verifies that the sum of the EEPROM is equal to 0xBABA.
+ **/
+s32 e1000_validate_nvm_checksum_with_offset(struct e1000_hw *hw, u16 offset)
+{
+ s32 ret_val = E1000_SUCCESS;
+ u16 checksum = 0;
+ u16 i, nvm_data;
+
+ DEBUGFUNC("e1000_validate_nvm_checksum_with_offset");
+
+ for (i = offset; i < ((NVM_CHECKSUM_REG + offset) + 1); i++) {
+ ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error\n");
+ goto out;
+ }
+ checksum += nvm_data;
+ }
+
+ if (checksum != (u16) NVM_SUM) {
+ DEBUGOUT("NVM Checksum Invalid\n");
+ ret_val = -E1000_ERR_NVM;
+ goto out;
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_update_nvm_checksum_with_offset - Update EEPROM
+ * checksum
+ * @hw: pointer to the HW structure
+ * @offset: offset in words of the checksum protected region
+ *
+ * Updates the EEPROM checksum by reading/adding each word of the EEPROM
+ * up to the checksum. Then calculates the EEPROM checksum and writes the
+ * value to the EEPROM.
+ **/
+s32 e1000_update_nvm_checksum_with_offset(struct e1000_hw *hw, u16 offset)
+{
+ s32 ret_val;
+ u16 checksum = 0;
+ u16 i, nvm_data;
+
+ DEBUGFUNC("e1000_update_nvm_checksum_with_offset");
+
+ for (i = offset; i < (NVM_CHECKSUM_REG + offset); i++) {
+ ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error while updating checksum.\n");
+ goto out;
+ }
+ checksum += nvm_data;
+ }
+ checksum = (u16) NVM_SUM - checksum;
+ ret_val = hw->nvm.ops.write(hw, (NVM_CHECKSUM_REG + offset), 1,
+ &checksum);
+ if (ret_val)
+ DEBUGOUT("NVM Write Error while updating checksum.\n");
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_validate_nvm_checksum_82580 - Validate EEPROM checksum
+ * @hw: pointer to the HW structure
+ *
+ * Calculates the EEPROM section checksum by reading/adding each word of
+ * the EEPROM and then verifies that the sum of the EEPROM is
+ * equal to 0xBABA.
+ **/
+static s32 e1000_validate_nvm_checksum_82580(struct e1000_hw *hw)
+{
+ s32 ret_val = E1000_SUCCESS;
+ u16 eeprom_regions_count = 1;
+ u16 j, nvm_data;
+ u16 nvm_offset;
+
+ DEBUGFUNC("e1000_validate_nvm_checksum_82580");
+
+ ret_val = hw->nvm.ops.read(hw, NVM_COMPATIBILITY_REG_3, 1, &nvm_data);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error\n");
+ goto out;
+ }
+
+ if (nvm_data & NVM_COMPATIBILITY_BIT_MASK) {
+ /* if chekcsums compatibility bit is set validate checksums
+ * for all 4 ports. */
+ eeprom_regions_count = 4;
+ }
+
+ for (j = 0; j < eeprom_regions_count; j++) {
+ nvm_offset = NVM_82580_LAN_FUNC_OFFSET(j);
+ ret_val = e1000_validate_nvm_checksum_with_offset(hw,
+ nvm_offset);
+ if (ret_val != E1000_SUCCESS)
+ goto out;
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_update_nvm_checksum_82580 - Update EEPROM checksum
+ * @hw: pointer to the HW structure
+ *
+ * Updates the EEPROM section checksums for all 4 ports by reading/adding
+ * each word of the EEPROM up to the checksum. Then calculates the EEPROM
+ * checksum and writes the value to the EEPROM.
+ **/
+static s32 e1000_update_nvm_checksum_82580(struct e1000_hw *hw)
+{
+ s32 ret_val;
+ u16 j, nvm_data;
+ u16 nvm_offset;
+
+ DEBUGFUNC("e1000_update_nvm_checksum_82580");
+
+ ret_val = hw->nvm.ops.read(hw, NVM_COMPATIBILITY_REG_3, 1, &nvm_data);
+ if (ret_val) {
+ DEBUGOUT("NVM Read Error while updating checksum compatibility bit.\n");
+ goto out;
+ }
+
+ 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,
+ &nvm_data);
+ if (ret_val) {
+ DEBUGOUT("NVM Write Error while updating checksum compatibility bit.\n");
+ goto out;
+ }
+ }
+
+ for (j = 0; j < 4; j++) {
+ nvm_offset = NVM_82580_LAN_FUNC_OFFSET(j);
+ ret_val = e1000_update_nvm_checksum_with_offset(hw, nvm_offset);
+ if (ret_val)
+ goto out;
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_validate_nvm_checksum_i350 - Validate EEPROM checksum
+ * @hw: pointer to the HW structure
+ *
+ * Calculates the EEPROM section checksum by reading/adding each word of
+ * the EEPROM and then verifies that the sum of the EEPROM is
+ * equal to 0xBABA.
+ **/
+static s32 e1000_validate_nvm_checksum_i350(struct e1000_hw *hw)
+{
+ s32 ret_val = E1000_SUCCESS;
+ u16 j;
+ u16 nvm_offset;
+
+ DEBUGFUNC("e1000_validate_nvm_checksum_i350");
+
+ for (j = 0; j < 4; j++) {
+ nvm_offset = NVM_82580_LAN_FUNC_OFFSET(j);
+ ret_val = e1000_validate_nvm_checksum_with_offset(hw,
+ nvm_offset);
+ if (ret_val != E1000_SUCCESS)
+ goto out;
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_update_nvm_checksum_i350 - Update EEPROM checksum
+ * @hw: pointer to the HW structure
+ *
+ * Updates the EEPROM section checksums for all 4 ports by reading/adding
+ * each word of the EEPROM up to the checksum. Then calculates the EEPROM
+ * checksum and writes the value to the EEPROM.
+ **/
+static s32 e1000_update_nvm_checksum_i350(struct e1000_hw *hw)
+{
+ s32 ret_val = E1000_SUCCESS;
+ u16 j;
+ u16 nvm_offset;
+
+ DEBUGFUNC("e1000_update_nvm_checksum_i350");
+
+ for (j = 0; j < 4; j++) {
+ nvm_offset = NVM_82580_LAN_FUNC_OFFSET(j);
+ ret_val = e1000_update_nvm_checksum_with_offset(hw, nvm_offset);
+ if (ret_val != E1000_SUCCESS)
+ goto out;
+ }
+
+out:
+ return ret_val;
+}
+
+/**
+ * e1000_set_eee_i350 - Enable/disable EEE support
+ * @hw: pointer to the HW structure
+ *
+ * Enable/disable EEE based on setting in dev_spec structure.
+ *
+ **/
+s32 e1000_set_eee_i350(struct e1000_hw *hw)
+{
+ s32 ret_val = E1000_SUCCESS;
+ u32 ipcnfg, eeer;
+
+ DEBUGFUNC("e1000_set_eee_i350");
+
+ if ((hw->mac.type < e1000_i350) ||
+ (hw->phy.media_type != e1000_media_type_copper))
+ goto out;
+ ipcnfg = E1000_READ_REG(hw, E1000_IPCNFG);
+ eeer = E1000_READ_REG(hw, E1000_EEER);
+
+ /* 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 |
+ E1000_EEER_LPI_FC);
+ }
+ E1000_WRITE_REG(hw, E1000_IPCNFG, ipcnfg);
+ E1000_WRITE_REG(hw, E1000_EEER, eeer);
+ E1000_READ_REG(hw, E1000_IPCNFG);
+ E1000_READ_REG(hw, E1000_EEER);
+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.
+ */
+
+/**
+ * e1000_clear_vfta_i350 - Clear VLAN filter table
+ * @hw: pointer to the HW structure
+ *
+ * Clears the register array which contains the VLAN filter table by
+ * setting all the values to 0.
+ **/
+void e1000_clear_vfta_i350(struct e1000_hw *hw)
+{
+ u32 offset;
+ int i;
+
+ DEBUGFUNC("e1000_clear_vfta_350");
+
+ for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
+ for (i = 0; i < 10; i++)
+ E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, 0);
+
+ E1000_WRITE_FLUSH(hw);
+ }
+}
+
+/**
+ * e1000_write_vfta_i350 - Write value to VLAN filter table
+ * @hw: pointer to the HW structure
+ * @offset: register offset in VLAN filter table
+ * @value: register value written to VLAN filter table
+ *
+ * Writes value at the given offset in the register array which stores
+ * the VLAN filter table.
+ **/
+void e1000_write_vfta_i350(struct e1000_hw *hw, u32 offset, u32 value)
+{
+ int i;
+
+ DEBUGFUNC("e1000_write_vfta_350");
+
+ for (i = 0; i < 10; i++)
+ E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, offset, value);
+
+ E1000_WRITE_FLUSH(hw);
+}
+
+
+/**
+ * e1000_set_i2c_bb - Enable I2C bit-bang
+ * @hw: pointer to the HW structure
+ *
+ * Enable I2C bit-bang interface
+ *
+ **/
+s32 e1000_set_i2c_bb(struct e1000_hw *hw)
+{
+ s32 ret_val = E1000_SUCCESS;
+ u32 ctrl_ext, i2cparams;
+
+ DEBUGFUNC("e1000_set_i2c_bb");
+
+ ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
+ ctrl_ext |= E1000_CTRL_I2C_ENA;
+ E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
+ E1000_WRITE_FLUSH(hw);
+
+ i2cparams = E1000_READ_REG(hw, E1000_I2CPARAMS);
+ i2cparams |= E1000_I2CBB_EN;
+ i2cparams |= E1000_I2C_DATA_OE_N;
+ i2cparams |= E1000_I2C_CLK_OE_N;
+ E1000_WRITE_REG(hw, E1000_I2CPARAMS, i2cparams);
+ E1000_WRITE_FLUSH(hw);
+
+ return ret_val;
+}
+
+/**
+ * e1000_read_i2c_byte_generic - Reads 8 bit word over I2C
+ * @hw: pointer to hardware structure
+ * @byte_offset: byte offset to read
+ * @dev_addr: device address
+ * @data: value read
+ *
+ * Performs byte read operation over I2C interface at
+ * a specified device address.
+ **/
+s32 e1000_read_i2c_byte_generic(struct e1000_hw *hw, u8 byte_offset,
+ u8 dev_addr, u8 *data)
+{
+ s32 status = E1000_SUCCESS;
+ u32 max_retry = 10;
+ u32 retry = 1;
+ u16 swfw_mask = 0;
+
+ bool nack = TRUE;
+
+ DEBUGFUNC("e1000_read_i2c_byte_generic");
+
+ swfw_mask = E1000_SWFW_PHY0_SM;
+
+ do {
+ if (hw->mac.ops.acquire_swfw_sync(hw, swfw_mask)
+ != E1000_SUCCESS) {
+ status = E1000_ERR_SWFW_SYNC;
+ goto read_byte_out;
+ }
+
+ e1000_i2c_start(hw);
+
+ /* Device Address and write indication */
+ status = e1000_clock_out_i2c_byte(hw, dev_addr);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ status = e1000_get_i2c_ack(hw);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ status = e1000_clock_out_i2c_byte(hw, byte_offset);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ status = e1000_get_i2c_ack(hw);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ e1000_i2c_start(hw);
+
+ /* Device Address and read indication */
+ status = e1000_clock_out_i2c_byte(hw, (dev_addr | 0x1));
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ status = e1000_get_i2c_ack(hw);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ status = e1000_clock_in_i2c_byte(hw, data);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ status = e1000_clock_out_i2c_bit(hw, nack);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ e1000_i2c_stop(hw);
+ break;
+
+fail:
+ hw->mac.ops.release_swfw_sync(hw, swfw_mask);
+ msec_delay(100);
+ e1000_i2c_bus_clear(hw);
+ retry++;
+ if (retry < max_retry)
+ DEBUGOUT("I2C byte read error - Retrying.\n");
+ else
+ DEBUGOUT("I2C byte read error.\n");
+
+ } while (retry < max_retry);
+
+ hw->mac.ops.release_swfw_sync(hw, swfw_mask);
+
+read_byte_out:
+
+ return status;
+}
+
+/**
+ * e1000_write_i2c_byte_generic - Writes 8 bit word over I2C
+ * @hw: pointer to hardware structure
+ * @byte_offset: byte offset to write
+ * @dev_addr: device address
+ * @data: value to write
+ *
+ * Performs byte write operation over I2C interface at
+ * a specified device address.
+ **/
+s32 e1000_write_i2c_byte_generic(struct e1000_hw *hw, u8 byte_offset,
+ u8 dev_addr, u8 data)
+{
+ s32 status = E1000_SUCCESS;
+ u32 max_retry = 1;
+ u32 retry = 0;
+ u16 swfw_mask = 0;
+
+ DEBUGFUNC("e1000_write_i2c_byte_generic");
+
+ swfw_mask = E1000_SWFW_PHY0_SM;
+
+ if (hw->mac.ops.acquire_swfw_sync(hw, swfw_mask) != E1000_SUCCESS) {
+ status = E1000_ERR_SWFW_SYNC;
+ goto write_byte_out;
+ }
+
+ do {
+ e1000_i2c_start(hw);
+
+ status = e1000_clock_out_i2c_byte(hw, dev_addr);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ status = e1000_get_i2c_ack(hw);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ status = e1000_clock_out_i2c_byte(hw, byte_offset);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ status = e1000_get_i2c_ack(hw);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ status = e1000_clock_out_i2c_byte(hw, data);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ status = e1000_get_i2c_ack(hw);
+ if (status != E1000_SUCCESS)
+ goto fail;
+
+ e1000_i2c_stop(hw);
+ break;
+
+fail:
+ e1000_i2c_bus_clear(hw);
+ retry++;
+ if (retry < max_retry)
+ DEBUGOUT("I2C byte write error - Retrying.\n");
+ else
+ DEBUGOUT("I2C byte write error.\n");
+ } while (retry < max_retry);
+
+ hw->mac.ops.release_swfw_sync(hw, swfw_mask);
+
+write_byte_out:
+
+ return status;
+}
+
+/**
+ * e1000_i2c_start - Sets I2C start condition
+ * @hw: pointer to hardware structure
+ *
+ * Sets I2C start condition (High -> Low on SDA while SCL is High)
+ **/
+static void e1000_i2c_start(struct e1000_hw *hw)
+{
+ u32 i2cctl = E1000_READ_REG(hw, E1000_I2CPARAMS);
+
+ DEBUGFUNC("e1000_i2c_start");
+
+ /* Start condition must begin with data and clock high */
+ e1000_set_i2c_data(hw, &i2cctl, 1);
+ e1000_raise_i2c_clk(hw, &i2cctl);
+
+ /* Setup time for start condition (4.7us) */
+ usec_delay(E1000_I2C_T_SU_STA);
+
+ e1000_set_i2c_data(hw, &i2cctl, 0);
+
+ /* Hold time for start condition (4us) */
+ usec_delay(E1000_I2C_T_HD_STA);
+
+ e1000_lower_i2c_clk(hw, &i2cctl);
+
+ /* Minimum low period of clock is 4.7 us */
+ usec_delay(E1000_I2C_T_LOW);
+
+}
+
+/**
+ * e1000_i2c_stop - Sets I2C stop condition
+ * @hw: pointer to hardware structure
+ *
+ * Sets I2C stop condition (Low -> High on SDA while SCL is High)
+ **/
+static void e1000_i2c_stop(struct e1000_hw *hw)
+{
+ u32 i2cctl = E1000_READ_REG(hw, E1000_I2CPARAMS);
+
+ DEBUGFUNC("e1000_i2c_stop");
+
+ /* Stop condition must begin with data low and clock high */
+ e1000_set_i2c_data(hw, &i2cctl, 0);
+ e1000_raise_i2c_clk(hw, &i2cctl);
+
+ /* Setup time for stop condition (4us) */
+ usec_delay(E1000_I2C_T_SU_STO);
+
+ e1000_set_i2c_data(hw, &i2cctl, 1);
+
+ /* bus free time between stop and start (4.7us)*/
+ usec_delay(E1000_I2C_T_BUF);
+}
+
+/**
+ * e1000_clock_in_i2c_byte - Clocks in one byte via I2C
+ * @hw: pointer to hardware structure
+ * @data: data byte to clock in
+ *
+ * Clocks in one byte data via I2C data/clock
+ **/
+static s32 e1000_clock_in_i2c_byte(struct e1000_hw *hw, u8 *data)
+{
+ s32 i;
+ bool bit = 0;
+
+ DEBUGFUNC("e1000_clock_in_i2c_byte");
+
+ *data = 0;
+ for (i = 7; i >= 0; i--) {
+ e1000_clock_in_i2c_bit(hw, &bit);
+ *data |= bit << i;
+ }
+
+ return E1000_SUCCESS;
+}
+
+/**
+ * e1000_clock_out_i2c_byte - Clocks out one byte via I2C
+ * @hw: pointer to hardware structure
+ * @data: data byte clocked out
+ *
+ * Clocks out one byte data via I2C data/clock
+ **/
+static s32 e1000_clock_out_i2c_byte(struct e1000_hw *hw, u8 data)
+{
+ s32 status = E1000_SUCCESS;
+ s32 i;
+ u32 i2cctl;
+ bool bit = 0;
+
+ DEBUGFUNC("e1000_clock_out_i2c_byte");
+
+ for (i = 7; i >= 0; i--) {
+ bit = (data >> i) & 0x1;
+ status = e1000_clock_out_i2c_bit(hw, bit);
+
+ if (status != E1000_SUCCESS)
+ break;
+ }
+
+ /* Release SDA line (set high) */
+ i2cctl = E1000_READ_REG(hw, E1000_I2CPARAMS);
+
+ i2cctl |= E1000_I2C_DATA_OE_N;
+ E1000_WRITE_REG(hw, E1000_I2CPARAMS, i2cctl);
+ E1000_WRITE_FLUSH(hw);
+
+ return status;
+}
+
+/**
+ * e1000_get_i2c_ack - Polls for I2C ACK
+ * @hw: pointer to hardware structure
+ *
+ * Clocks in/out one bit via I2C data/clock
+ **/
+static s32 e1000_get_i2c_ack(struct e1000_hw *hw)
+{
+ s32 status = E1000_SUCCESS;
+ u32 i = 0;
+ u32 i2cctl = E1000_READ_REG(hw, E1000_I2CPARAMS);
+ u32 timeout = 10;
+ bool ack = TRUE;
+
+ DEBUGFUNC("e1000_get_i2c_ack");
+
+ e1000_raise_i2c_clk(hw, &i2cctl);
+
+ /* Minimum high period of clock is 4us */
+ usec_delay(E1000_I2C_T_HIGH);
+
+ /* Wait until SCL returns high */
+ for (i = 0; i < timeout; i++) {
+ usec_delay(1);
+ i2cctl = E1000_READ_REG(hw, E1000_I2CPARAMS);
+ if (i2cctl & E1000_I2C_CLK_IN)
+ break;
+ }
+ if (!(i2cctl & E1000_I2C_CLK_IN))
+ return E1000_ERR_I2C;
+
+ ack = e1000_get_i2c_data(&i2cctl);
+ if (ack) {
+ DEBUGOUT("I2C ack was not received.\n");
+ status = E1000_ERR_I2C;
+ }
+
+ e1000_lower_i2c_clk(hw, &i2cctl);
+
+ /* Minimum low period of clock is 4.7 us */
+ usec_delay(E1000_I2C_T_LOW);
+
+ return status;
+}
+
+/**
+ * e1000_clock_in_i2c_bit - Clocks in one bit via I2C data/clock
+ * @hw: pointer to hardware structure
+ * @data: read data value
+ *
+ * Clocks in one bit via I2C data/clock
+ **/
+static s32 e1000_clock_in_i2c_bit(struct e1000_hw *hw, bool *data)
+{
+ u32 i2cctl = E1000_READ_REG(hw, E1000_I2CPARAMS);
+
+ DEBUGFUNC("e1000_clock_in_i2c_bit");
+
+ e1000_raise_i2c_clk(hw, &i2cctl);
+
+ /* Minimum high period of clock is 4us */
+ usec_delay(E1000_I2C_T_HIGH);
+
+ i2cctl = E1000_READ_REG(hw, E1000_I2CPARAMS);
+ *data = e1000_get_i2c_data(&i2cctl);
+
+ e1000_lower_i2c_clk(hw, &i2cctl);
+
+ /* Minimum low period of clock is 4.7 us */
+ usec_delay(E1000_I2C_T_LOW);
+
+ return E1000_SUCCESS;
+}
+
+/**
+ * e1000_clock_out_i2c_bit - Clocks in/out one bit via I2C data/clock
+ * @hw: pointer to hardware structure
+ * @data: data value to write
+ *
+ * Clocks out one bit via I2C data/clock
+ **/
+static s32 e1000_clock_out_i2c_bit(struct e1000_hw *hw, bool data)
+{
+ s32 status;
+ u32 i2cctl = E1000_READ_REG(hw, E1000_I2CPARAMS);
+
+ DEBUGFUNC("e1000_clock_out_i2c_bit");
+
+ status = e1000_set_i2c_data(hw, &i2cctl, data);
+ if (status == E1000_SUCCESS) {
+ e1000_raise_i2c_clk(hw, &i2cctl);
+
+ /* Minimum high period of clock is 4us */
+ usec_delay(E1000_I2C_T_HIGH);
+
+ e1000_lower_i2c_clk(hw, &i2cctl);
+
+ /* Minimum low period of clock is 4.7 us.
+ * This also takes care of the data hold time.
+ */
+ usec_delay(E1000_I2C_T_LOW);
+ } else {
+ status = E1000_ERR_I2C;
+ DEBUGOUT1("I2C data was not set to %X\n", data);
+ }
+
+ return status;
+}
+/**
+ * e1000_raise_i2c_clk - Raises the I2C SCL clock
+ * @hw: pointer to hardware structure
+ * @i2cctl: Current value of I2CCTL register
+ *
+ * Raises the I2C clock line '0'->'1'
+ **/
+static void e1000_raise_i2c_clk(struct e1000_hw *hw, u32 *i2cctl)
+{
+ DEBUGFUNC("e1000_raise_i2c_clk");
+
+ *i2cctl |= E1000_I2C_CLK_OUT;
+ *i2cctl &= ~E1000_I2C_CLK_OE_N;
+ E1000_WRITE_REG(hw, E1000_I2CPARAMS, *i2cctl);
+ E1000_WRITE_FLUSH(hw);
+
+ /* SCL rise time (1000ns) */
+ usec_delay(E1000_I2C_T_RISE);
+}
+
+/**
+ * e1000_lower_i2c_clk - Lowers the I2C SCL clock
+ * @hw: pointer to hardware structure
+ * @i2cctl: Current value of I2CCTL register
+ *
+ * Lowers the I2C clock line '1'->'0'
+ **/
+static void e1000_lower_i2c_clk(struct e1000_hw *hw, u32 *i2cctl)
+{
+
+ DEBUGFUNC("e1000_lower_i2c_clk");
+
+ *i2cctl &= ~E1000_I2C_CLK_OUT;
+ *i2cctl &= ~E1000_I2C_CLK_OE_N;
+ E1000_WRITE_REG(hw, E1000_I2CPARAMS, *i2cctl);
+ E1000_WRITE_FLUSH(hw);
+
+ /* SCL fall time (300ns) */
+ usec_delay(E1000_I2C_T_FALL);
+}
+
+/**
+ * e1000_set_i2c_data - Sets the I2C data bit
+ * @hw: pointer to hardware structure
+ * @i2cctl: Current value of I2CCTL register
+ * @data: I2C data value (0 or 1) to set
+ *
+ * Sets the I2C data bit
+ **/
+static s32 e1000_set_i2c_data(struct e1000_hw *hw, u32 *i2cctl, bool data)
+{
+ s32 status = E1000_SUCCESS;
+
+ DEBUGFUNC("e1000_set_i2c_data");
+
+ if (data)
+ *i2cctl |= E1000_I2C_DATA_OUT;
+ else
+ *i2cctl &= ~E1000_I2C_DATA_OUT;
+
+ *i2cctl &= ~E1000_I2C_DATA_OE_N;
+ *i2cctl |= E1000_I2C_CLK_OE_N;
+ E1000_WRITE_REG(hw, E1000_I2CPARAMS, *i2cctl);
+ E1000_WRITE_FLUSH(hw);
+
+ /* Data rise/fall (1000ns/300ns) and set-up time (250ns) */
+ usec_delay(E1000_I2C_T_RISE + E1000_I2C_T_FALL + E1000_I2C_T_SU_DATA);
+
+ *i2cctl = E1000_READ_REG(hw, E1000_I2CPARAMS);
+ if (data != e1000_get_i2c_data(i2cctl)) {
+ status = E1000_ERR_I2C;
+ DEBUGOUT1("Error - I2C data was not set to %X.\n", data);
+ }
+
+ return status;
+}
+
+/**
+ * e1000_get_i2c_data - Reads the I2C SDA data bit
+ * @hw: pointer to hardware structure
+ * @i2cctl: Current value of I2CCTL register
+ *
+ * Returns the I2C data bit value
+ **/
+static bool e1000_get_i2c_data(u32 *i2cctl)
+{
+ bool data;
+
+ DEBUGFUNC("e1000_get_i2c_data");
+
+ if (*i2cctl & E1000_I2C_DATA_IN)
+ data = 1;
+ else
+ data = 0;
+
+ return data;
+}
+
+/**
+ * e1000_i2c_bus_clear - Clears the I2C bus
+ * @hw: pointer to hardware structure
+ *
+ * Clears the I2C bus by sending nine clock pulses.
+ * Used when data line is stuck low.
+ **/
+void e1000_i2c_bus_clear(struct e1000_hw *hw)
+{
+ u32 i2cctl = E1000_READ_REG(hw, E1000_I2CPARAMS);
+ u32 i;
+
+ DEBUGFUNC("e1000_i2c_bus_clear");
+
+ e1000_i2c_start(hw);
+
+ e1000_set_i2c_data(hw, &i2cctl, 1);
+
+ for (i = 0; i < 9; i++) {
+ e1000_raise_i2c_clk(hw, &i2cctl);
+
+ /* Min high period of clock is 4us */
+ usec_delay(E1000_I2C_T_HIGH);
+
+ e1000_lower_i2c_clk(hw, &i2cctl);
+
+ /* Min low period of clock is 4.7us*/
+ usec_delay(E1000_I2C_T_LOW);
+ }
+
+ e1000_i2c_start(hw);
+
+ /* Put the i2c bus back to default state */
+ e1000_i2c_stop(hw);
+}
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 13:30:28 +0000