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Differential D12235 Diff 32993 sys/dev/e1000/e1000_82575.c

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sys/dev/e1000/e1000_82575.c

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static s32 e1000_setup_copper_link_82575(struct e1000_hw *hw); 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_setup_serdes_link_82575(struct e1000_hw *hw);
static s32 e1000_get_media_type_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_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_valid_led_default_82575(struct e1000_hw *hw, u16 *data);
static s32 e1000_write_phy_reg_sgmii_82575(struct e1000_hw *hw, 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 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, 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 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); static bool e1000_sgmii_active_82575(struct e1000_hw *hw);
static s32 e1000_reset_init_script_82575(struct e1000_hw *hw); static s32 e1000_reset_init_script_82575(struct e1000_hw *hw);
static s32 e1000_read_mac_addr_82575(struct e1000_hw *hw); static s32 e1000_read_mac_addr_82575(struct e1000_hw *hw);
static void e1000_config_collision_dist_82575(struct e1000_hw *hw); static void e1000_config_collision_dist_82575(struct e1000_hw *hw);
static void e1000_power_down_phy_copper_82575(struct e1000_hw *hw); static void e1000_power_down_phy_copper_82575(struct e1000_hw *hw);
static void e1000_shutdown_serdes_link_82575(struct e1000_hw *hw); static void e1000_shutdown_serdes_link_82575(struct e1000_hw *hw);
static void e1000_power_up_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_set_pcie_completion_timeout(struct e1000_hw *hw);
▲ Show 20 Lines • Show All 411 Lines • ▼ Show 20 Linesstatic s32 e1000_init_mac_params_82575(struct e1000_hw *hw)
/* turn on/off LED */ /* turn on/off LED */
mac->ops.led_on = e1000_led_on_generic; mac->ops.led_on = e1000_led_on_generic;
mac->ops.led_off = e1000_led_off_generic; mac->ops.led_off = e1000_led_off_generic;
/* clear hardware counters */ /* clear hardware counters */
mac->ops.clear_hw_cntrs = e1000_clear_hw_cntrs_82575; mac->ops.clear_hw_cntrs = e1000_clear_hw_cntrs_82575;
/* link info */ /* link info */
mac->ops.get_link_up_info = e1000_get_link_up_info_82575; mac->ops.get_link_up_info = e1000_get_link_up_info_82575;
/* acquire SW_FW sync */ /* acquire SW_FW sync */
mac->ops.acquire_swfw_sync = e1000_acquire_swfw_sync_82575; mac->ops.acquire_swfw_sync = e1000_acquire_swfw_sync;
mac->ops.release_swfw_sync = e1000_release_swfw_sync_82575; mac->ops.release_swfw_sync = e1000_release_swfw_sync;
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 */ /* set lan id for port to determine which phy lock to use */
hw->mac.ops.set_lan_id(hw); hw->mac.ops.set_lan_id(hw);
return E1000_SUCCESS; return E1000_SUCCESS;
} }
/** /**
▲ Show 20 Lines • Show All 455 Lines • ▼ Show 20 Lines
* EEPROM access and return -E1000_ERR_NVM (-1). * EEPROM access and return -E1000_ERR_NVM (-1).
**/ **/
static s32 e1000_acquire_nvm_82575(struct e1000_hw *hw) static s32 e1000_acquire_nvm_82575(struct e1000_hw *hw)
{ {
s32 ret_val = E1000_SUCCESS; s32 ret_val = E1000_SUCCESS;
DEBUGFUNC("e1000_acquire_nvm_82575"); DEBUGFUNC("e1000_acquire_nvm_82575");
ret_val = e1000_acquire_swfw_sync_82575(hw, E1000_SWFW_EEP_SM); ret_val = e1000_acquire_swfw_sync(hw, E1000_SWFW_EEP_SM);
if (ret_val) if (ret_val)
goto out; goto out;
/* /*
* Check if there is some access * Check if there is some access
* error this access may hook on * error this access may hook on
*/ */
if (hw->mac.type == e1000_i350) { if (hw->mac.type == e1000_i350) {
Show All 14 Lines if (eecd & E1000_EECD_BLOCKED) {
E1000_WRITE_REG(hw, E1000_EECD, eecd | E1000_WRITE_REG(hw, E1000_EECD, eecd |
E1000_EECD_BLOCKED); E1000_EECD_BLOCKED);
DEBUGOUT("Nvm bit banging access error detected and cleared.\n"); DEBUGOUT("Nvm bit banging access error detected and cleared.\n");
} }
} }
ret_val = e1000_acquire_nvm_generic(hw); ret_val = e1000_acquire_nvm_generic(hw);
if (ret_val) if (ret_val)
e1000_release_swfw_sync_82575(hw, E1000_SWFW_EEP_SM); e1000_release_swfw_sync(hw, E1000_SWFW_EEP_SM);
out: out:
return ret_val; return ret_val;
} }
/** /**
* e1000_release_nvm_82575 - Release exclusive access to EEPROM * e1000_release_nvm_82575 - Release exclusive access to EEPROM
* @hw: pointer to the HW structure * @hw: pointer to the HW structure
* *
* Stop any current commands to the EEPROM and clear the EEPROM request bit, * Stop any current commands to the EEPROM and clear the EEPROM request bit,
* then release the semaphores acquired. * then release the semaphores acquired.
**/ **/
static void e1000_release_nvm_82575(struct e1000_hw *hw) static void e1000_release_nvm_82575(struct e1000_hw *hw)
{ {
DEBUGFUNC("e1000_release_nvm_82575"); DEBUGFUNC("e1000_release_nvm_82575");
e1000_release_nvm_generic(hw); e1000_release_nvm_generic(hw);
e1000_release_swfw_sync_82575(hw, E1000_SWFW_EEP_SM); e1000_release_swfw_sync(hw, E1000_SWFW_EEP_SM);
}
/**
* e1000_acquire_swfw_sync_82575 - Acquire SW/FW semaphore
* @hw: pointer to the HW structure
* @mask: specifies which semaphore to acquire
*
* Acquire the SW/FW semaphore to access the PHY or NVM. The mask
* will also specify which port we're acquiring the lock for.
**/
static s32 e1000_acquire_swfw_sync_82575(struct e1000_hw *hw, u16 mask)
{
u32 swfw_sync;
u32 swmask = mask;
u32 fwmask = mask << 16;
s32 ret_val = E1000_SUCCESS;
s32 i = 0, timeout = 200;
DEBUGFUNC("e1000_acquire_swfw_sync_82575");
while (i < timeout) {
if (e1000_get_hw_semaphore_generic(hw)) {
ret_val = -E1000_ERR_SWFW_SYNC;
goto out;
}
swfw_sync = E1000_READ_REG(hw, E1000_SW_FW_SYNC);
if (!(swfw_sync & (fwmask | swmask)))
break;
/*
* Firmware currently using resource (fwmask)
* or other software thread using resource (swmask)
*/
e1000_put_hw_semaphore_generic(hw);
msec_delay_irq(5);
i++;
}
if (i == timeout) {
DEBUGOUT("Driver can't access resource, SW_FW_SYNC timeout.\n");
ret_val = -E1000_ERR_SWFW_SYNC;
goto out;
}
swfw_sync |= swmask;
E1000_WRITE_REG(hw, E1000_SW_FW_SYNC, swfw_sync);
e1000_put_hw_semaphore_generic(hw);
out:
return ret_val;
}
/**
* e1000_release_swfw_sync_82575 - Release SW/FW semaphore
* @hw: pointer to the HW structure
* @mask: specifies which semaphore to acquire
*
* Release the SW/FW semaphore used to access the PHY or NVM. The mask
* will also specify which port we're releasing the lock for.
**/
static void e1000_release_swfw_sync_82575(struct e1000_hw *hw, u16 mask)
{
u32 swfw_sync;
DEBUGFUNC("e1000_release_swfw_sync_82575");
while (e1000_get_hw_semaphore_generic(hw) != E1000_SUCCESS)
; /* Empty */
swfw_sync = E1000_READ_REG(hw, E1000_SW_FW_SYNC);
swfw_sync &= ~mask;
E1000_WRITE_REG(hw, E1000_SW_FW_SYNC, swfw_sync);
e1000_put_hw_semaphore_generic(hw);
} }
/** /**
* e1000_get_cfg_done_82575 - Read config done bit * e1000_get_cfg_done_82575 - Read config done bit
* @hw: pointer to the HW structure * @hw: pointer to the HW structure
* *
* Read the management control register for the config done bit for * Read the management control register for the config done bit for
* completion status. NOTE: silicon which is EEPROM-less will fail trying * completion status. NOTE: silicon which is EEPROM-less will fail trying
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