/*******************************************************************************
- Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
+ Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
static int32_t e1000_acquire_eeprom(struct e1000_hw *hw);
static void e1000_release_eeprom(struct e1000_hw *hw);
static void e1000_standby_eeprom(struct e1000_hw *hw);
-static int32_t e1000_id_led_init(struct e1000_hw * hw);
static int32_t e1000_set_vco_speed(struct e1000_hw *hw);
static int32_t e1000_polarity_reversal_workaround(struct e1000_hw *hw);
static int32_t e1000_set_phy_mode(struct e1000_hw *hw);
+static int32_t e1000_host_if_read_cookie(struct e1000_hw *hw, uint8_t *buffer);
+static uint8_t e1000_calculate_mng_checksum(char *buffer, uint32_t length);
/* IGP cable length table */
static const
100, 100, 100, 100, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110,
110, 110, 110, 110, 110, 110, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120};
+static const
+uint16_t e1000_igp_2_cable_length_table[IGP02E1000_AGC_LENGTH_TABLE_SIZE] =
+ { 8, 13, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43,
+ 22, 24, 27, 30, 32, 35, 37, 40, 42, 44, 47, 49, 51, 54, 56, 58,
+ 32, 35, 38, 41, 44, 47, 50, 53, 55, 58, 61, 63, 66, 69, 71, 74,
+ 43, 47, 51, 54, 58, 61, 64, 67, 71, 74, 77, 80, 82, 85, 88, 90,
+ 57, 62, 66, 70, 74, 77, 81, 85, 88, 91, 94, 97, 100, 103, 106, 108,
+ 73, 78, 82, 87, 91, 95, 98, 102, 105, 109, 112, 114, 117, 119, 122, 124,
+ 91, 96, 101, 105, 109, 113, 116, 119, 122, 125, 127, 128, 128, 128, 128, 128,
+ 108, 113, 117, 121, 124, 127, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128};
+
/******************************************************************************
* Set the phy type member in the hw struct.
{
DEBUGFUNC("e1000_set_phy_type");
+ if(hw->mac_type == e1000_undefined)
+ return -E1000_ERR_PHY_TYPE;
+
switch(hw->phy_id) {
case M88E1000_E_PHY_ID:
case M88E1000_I_PHY_ID:
case M88E1011_I_PHY_ID:
+ case M88E1111_I_PHY_ID:
hw->phy_type = e1000_phy_m88;
break;
case IGP01E1000_I_PHY_ID:
DEBUGFUNC("e1000_phy_init_script");
-
if(hw->phy_init_script) {
msec_delay(20);
case E1000_DEV_ID_82546GB_FIBER:
case E1000_DEV_ID_82546GB_SERDES:
case E1000_DEV_ID_82546GB_PCIE:
+ case E1000_DEV_ID_82546GB_QUAD_COPPER:
hw->mac_type = e1000_82546_rev_3;
break;
case E1000_DEV_ID_82541EI:
case E1000_DEV_ID_82547GI:
hw->mac_type = e1000_82547_rev_2;
break;
+ case E1000_DEV_ID_82573E:
+ case E1000_DEV_ID_82573E_IAMT:
+ hw->mac_type = e1000_82573;
+ break;
default:
/* Should never have loaded on this device */
return -E1000_ERR_MAC_TYPE;
}
switch(hw->mac_type) {
+ case e1000_82573:
+ hw->eeprom_semaphore_present = TRUE;
+ /* fall through */
case e1000_82541:
case e1000_82547:
case e1000_82541_rev_2:
uint32_t icr;
uint32_t manc;
uint32_t led_ctrl;
+ uint32_t timeout;
+ uint32_t extcnf_ctrl;
+ int32_t ret_val;
DEBUGFUNC("e1000_reset_hw");
e1000_pci_clear_mwi(hw);
}
+ if(hw->bus_type == e1000_bus_type_pci_express) {
+ /* Prevent the PCI-E bus from sticking if there is no TLP connection
+ * on the last TLP read/write transaction when MAC is reset.
+ */
+ if(e1000_disable_pciex_master(hw) != E1000_SUCCESS) {
+ DEBUGOUT("PCI-E Master disable polling has failed.\n");
+ }
+ }
+
/* Clear interrupt mask to stop board from generating interrupts */
DEBUGOUT("Masking off all interrupts\n");
E1000_WRITE_REG(hw, IMC, 0xffffffff);
/* Must reset the PHY before resetting the MAC */
if((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
- E1000_WRITE_REG_IO(hw, CTRL, (ctrl | E1000_CTRL_PHY_RST));
+ E1000_WRITE_REG(hw, CTRL, (ctrl | E1000_CTRL_PHY_RST));
msec_delay(5);
}
+ /* Must acquire the MDIO ownership before MAC reset.
+ * Ownership defaults to firmware after a reset. */
+ if(hw->mac_type == e1000_82573) {
+ timeout = 10;
+
+ extcnf_ctrl = E1000_READ_REG(hw, EXTCNF_CTRL);
+ extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
+
+ do {
+ E1000_WRITE_REG(hw, EXTCNF_CTRL, extcnf_ctrl);
+ extcnf_ctrl = E1000_READ_REG(hw, EXTCNF_CTRL);
+
+ if(extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP)
+ break;
+ else
+ extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
+
+ msec_delay(2);
+ timeout--;
+ } while(timeout);
+ }
+
/* Issue a global reset to the MAC. This will reset the chip's
* transmit, receive, DMA, and link units. It will not effect
* the current PCI configuration. The global reset bit is self-
/* Wait for EEPROM reload */
msec_delay(20);
break;
+ case e1000_82573:
+ udelay(10);
+ ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
+ ctrl_ext |= E1000_CTRL_EXT_EE_RST;
+ E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
+ E1000_WRITE_FLUSH(hw);
+ /* fall through */
+ ret_val = e1000_get_auto_rd_done(hw);
+ if(ret_val)
+ /* We don't want to continue accessing MAC registers. */
+ return ret_val;
+ break;
default:
/* Wait for EEPROM reload (it happens automatically) */
msec_delay(5);
}
/* Disable HW ARPs on ASF enabled adapters */
- if(hw->mac_type >= e1000_82540) {
+ if(hw->mac_type >= e1000_82540 && hw->mac_type <= e1000_82547_rev_2) {
manc = E1000_READ_REG(hw, MANC);
manc &= ~(E1000_MANC_ARP_EN);
E1000_WRITE_REG(hw, MANC, manc);
uint16_t pcix_stat_hi_word;
uint16_t cmd_mmrbc;
uint16_t stat_mmrbc;
+ uint32_t mta_size;
+
DEBUGFUNC("e1000_init_hw");
/* Initialize Identification LED */
/* Disabling VLAN filtering. */
DEBUGOUT("Initializing the IEEE VLAN\n");
- E1000_WRITE_REG(hw, VET, 0);
-
+ if (hw->mac_type < e1000_82545_rev_3)
+ E1000_WRITE_REG(hw, VET, 0);
e1000_clear_vfta(hw);
/* For 82542 (rev 2.0), disable MWI and put the receiver into reset */
/* Zero out the Multicast HASH table */
DEBUGOUT("Zeroing the MTA\n");
- for(i = 0; i < E1000_MC_TBL_SIZE; i++)
+ mta_size = E1000_MC_TBL_SIZE;
+ for(i = 0; i < mta_size; i++)
E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
/* Set the PCI priority bit correctly in the CTRL register. This
* determines if the adapter gives priority to receives, or if it
- * gives equal priority to transmits and receives.
+ * gives equal priority to transmits and receives. Valid only on
+ * 82542 and 82543 silicon.
*/
- if(hw->dma_fairness) {
+ if(hw->dma_fairness && hw->mac_type <= e1000_82543) {
ctrl = E1000_READ_REG(hw, CTRL);
E1000_WRITE_REG(hw, CTRL, ctrl | E1000_CTRL_PRIOR);
}
if(hw->mac_type > e1000_82544) {
ctrl = E1000_READ_REG(hw, TXDCTL);
ctrl = (ctrl & ~E1000_TXDCTL_WTHRESH) | E1000_TXDCTL_FULL_TX_DESC_WB;
+ switch (hw->mac_type) {
+ default:
+ break;
+ case e1000_82573:
+ ctrl |= E1000_TXDCTL_COUNT_DESC;
+ break;
+ }
E1000_WRITE_REG(hw, TXDCTL, ctrl);
}
+ if (hw->mac_type == e1000_82573) {
+ e1000_enable_tx_pkt_filtering(hw);
+ }
+
+
/* Clear all of the statistics registers (clear on read). It is
* important that we do this after we have tried to establish link
* because the symbol error count will increment wildly if there
* control setting, then the variable hw->fc will
* be initialized based on a value in the EEPROM.
*/
- if(e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data) < 0) {
+ if(e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data)) {
DEBUGOUT("EEPROM Read Error\n");
return -E1000_ERR_EEPROM;
}
E1000_WRITE_REG(hw, FCAL, FLOW_CONTROL_ADDRESS_LOW);
E1000_WRITE_REG(hw, FCAH, FLOW_CONTROL_ADDRESS_HIGH);
E1000_WRITE_REG(hw, FCT, FLOW_CONTROL_TYPE);
+
E1000_WRITE_REG(hw, FCTTV, hw->fc_pause_time);
/* Set the flow control receive threshold registers. Normally,
}
/******************************************************************************
-* Detects which PHY is present and the speed and duplex
+* Make sure we have a valid PHY and change PHY mode before link setup.
*
* hw - Struct containing variables accessed by shared code
******************************************************************************/
static int32_t
-e1000_setup_copper_link(struct e1000_hw *hw)
+e1000_copper_link_preconfig(struct e1000_hw *hw)
{
uint32_t ctrl;
- uint32_t led_ctrl;
int32_t ret_val;
- uint16_t i;
uint16_t phy_data;
- DEBUGFUNC("e1000_setup_copper_link");
+ DEBUGFUNC("e1000_copper_link_preconfig");
ctrl = E1000_READ_REG(hw, CTRL);
/* With 82543, we need to force speed and duplex on the MAC equal to what
} else {
ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | E1000_CTRL_SLU);
E1000_WRITE_REG(hw, CTRL, ctrl);
- e1000_phy_hw_reset(hw);
+ ret_val = e1000_phy_hw_reset(hw);
+ if(ret_val)
+ return ret_val;
}
/* Make sure we have a valid PHY */
hw->mac_type == e1000_82541_rev_2 || hw->mac_type == e1000_82547_rev_2)
hw->phy_reset_disable = FALSE;
- if(!hw->phy_reset_disable) {
- if (hw->phy_type == e1000_phy_igp) {
-
- ret_val = e1000_phy_reset(hw);
- if(ret_val) {
- DEBUGOUT("Error Resetting the PHY\n");
- return ret_val;
- }
-
- /* Wait 10ms for MAC to configure PHY from eeprom settings */
- msec_delay(15);
+ return E1000_SUCCESS;
+}
- /* Configure activity LED after PHY reset */
- led_ctrl = E1000_READ_REG(hw, LEDCTL);
- led_ctrl &= IGP_ACTIVITY_LED_MASK;
- led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
- E1000_WRITE_REG(hw, LEDCTL, led_ctrl);
- /* disable lplu d3 during driver init */
- ret_val = e1000_set_d3_lplu_state(hw, FALSE);
- if(ret_val) {
- DEBUGOUT("Error Disabling LPLU D3\n");
- return ret_val;
- }
+/********************************************************************
+* Copper link setup for e1000_phy_igp series.
+*
+* hw - Struct containing variables accessed by shared code
+*********************************************************************/
+static int32_t
+e1000_copper_link_igp_setup(struct e1000_hw *hw)
+{
+ uint32_t led_ctrl;
+ int32_t ret_val;
+ uint16_t phy_data;
- /* Configure mdi-mdix settings */
- ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL,
- &phy_data);
- if(ret_val)
- return ret_val;
+ DEBUGFUNC("e1000_copper_link_igp_setup");
- if((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
- hw->dsp_config_state = e1000_dsp_config_disabled;
- /* Force MDI for earlier revs of the IGP PHY */
- phy_data &= ~(IGP01E1000_PSCR_AUTO_MDIX |
- IGP01E1000_PSCR_FORCE_MDI_MDIX);
- hw->mdix = 1;
+ if (hw->phy_reset_disable)
+ return E1000_SUCCESS;
+
+ ret_val = e1000_phy_reset(hw);
+ if (ret_val) {
+ DEBUGOUT("Error Resetting the PHY\n");
+ return ret_val;
+ }
- } else {
- hw->dsp_config_state = e1000_dsp_config_enabled;
- phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
-
- switch (hw->mdix) {
- case 1:
- phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
- break;
- case 2:
- phy_data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
- break;
- case 0:
- default:
- phy_data |= IGP01E1000_PSCR_AUTO_MDIX;
- break;
- }
- }
- ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL,
- phy_data);
- if(ret_val)
- return ret_val;
+ /* Wait 10ms for MAC to configure PHY from eeprom settings */
+ msec_delay(15);
- /* set auto-master slave resolution settings */
- if(hw->autoneg) {
- e1000_ms_type phy_ms_setting = hw->master_slave;
+ /* Configure activity LED after PHY reset */
+ led_ctrl = E1000_READ_REG(hw, LEDCTL);
+ led_ctrl &= IGP_ACTIVITY_LED_MASK;
+ led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
+ E1000_WRITE_REG(hw, LEDCTL, led_ctrl);
- if(hw->ffe_config_state == e1000_ffe_config_active)
- hw->ffe_config_state = e1000_ffe_config_enabled;
+ /* disable lplu d3 during driver init */
+ ret_val = e1000_set_d3_lplu_state(hw, FALSE);
+ if (ret_val) {
+ DEBUGOUT("Error Disabling LPLU D3\n");
+ return ret_val;
+ }
- if(hw->dsp_config_state == e1000_dsp_config_activated)
- hw->dsp_config_state = e1000_dsp_config_enabled;
+ /* disable lplu d0 during driver init */
+ ret_val = e1000_set_d0_lplu_state(hw, FALSE);
+ if (ret_val) {
+ DEBUGOUT("Error Disabling LPLU D0\n");
+ return ret_val;
+ }
+ /* Configure mdi-mdix settings */
+ ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
+ if (ret_val)
+ return ret_val;
- /* when autonegotiation advertisment is only 1000Mbps then we
- * should disable SmartSpeed and enable Auto MasterSlave
- * resolution as hardware default. */
- if(hw->autoneg_advertised == ADVERTISE_1000_FULL) {
- /* Disable SmartSpeed */
- ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
- &phy_data);
- if(ret_val)
- return ret_val;
- phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
- ret_val = e1000_write_phy_reg(hw,
- IGP01E1000_PHY_PORT_CONFIG,
- phy_data);
- if(ret_val)
- return ret_val;
- /* Set auto Master/Slave resolution process */
- ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
- if(ret_val)
- return ret_val;
- phy_data &= ~CR_1000T_MS_ENABLE;
- ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
- if(ret_val)
- return ret_val;
- }
+ if ((hw->mac_type == e1000_82541) || (hw->mac_type == e1000_82547)) {
+ hw->dsp_config_state = e1000_dsp_config_disabled;
+ /* Force MDI for earlier revs of the IGP PHY */
+ phy_data &= ~(IGP01E1000_PSCR_AUTO_MDIX | IGP01E1000_PSCR_FORCE_MDI_MDIX);
+ hw->mdix = 1;
- ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
- if(ret_val)
- return ret_val;
+ } else {
+ hw->dsp_config_state = e1000_dsp_config_enabled;
+ phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
- /* load defaults for future use */
- hw->original_master_slave = (phy_data & CR_1000T_MS_ENABLE) ?
- ((phy_data & CR_1000T_MS_VALUE) ?
- e1000_ms_force_master :
- e1000_ms_force_slave) :
- e1000_ms_auto;
-
- switch (phy_ms_setting) {
- case e1000_ms_force_master:
- phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
- break;
- case e1000_ms_force_slave:
- phy_data |= CR_1000T_MS_ENABLE;
- phy_data &= ~(CR_1000T_MS_VALUE);
- break;
- case e1000_ms_auto:
- phy_data &= ~CR_1000T_MS_ENABLE;
- default:
- break;
- }
- ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
- if(ret_val)
- return ret_val;
- }
- } else {
- /* Enable CRS on TX. This must be set for half-duplex operation. */
- ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL,
- &phy_data);
- if(ret_val)
- return ret_val;
+ switch (hw->mdix) {
+ case 1:
+ phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
+ break;
+ case 2:
+ phy_data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
+ break;
+ case 0:
+ default:
+ phy_data |= IGP01E1000_PSCR_AUTO_MDIX;
+ break;
+ }
+ }
+ ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
+ if(ret_val)
+ return ret_val;
- phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
+ /* set auto-master slave resolution settings */
+ if(hw->autoneg) {
+ e1000_ms_type phy_ms_setting = hw->master_slave;
- /* Options:
- * MDI/MDI-X = 0 (default)
- * 0 - Auto for all speeds
- * 1 - MDI mode
- * 2 - MDI-X mode
- * 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
- */
- phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
+ if(hw->ffe_config_state == e1000_ffe_config_active)
+ hw->ffe_config_state = e1000_ffe_config_enabled;
- switch (hw->mdix) {
- case 1:
- phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
- break;
- case 2:
- phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
- break;
- case 3:
- phy_data |= M88E1000_PSCR_AUTO_X_1000T;
- break;
- case 0:
- default:
- phy_data |= M88E1000_PSCR_AUTO_X_MODE;
- break;
- }
+ if(hw->dsp_config_state == e1000_dsp_config_activated)
+ hw->dsp_config_state = e1000_dsp_config_enabled;
- /* Options:
- * disable_polarity_correction = 0 (default)
- * Automatic Correction for Reversed Cable Polarity
- * 0 - Disabled
- * 1 - Enabled
- */
- phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
- if(hw->disable_polarity_correction == 1)
- phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
- ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL,
- phy_data);
+ /* when autonegotiation advertisment is only 1000Mbps then we
+ * should disable SmartSpeed and enable Auto MasterSlave
+ * resolution as hardware default. */
+ if(hw->autoneg_advertised == ADVERTISE_1000_FULL) {
+ /* Disable SmartSpeed */
+ ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, &phy_data);
if(ret_val)
return ret_val;
-
- /* Force TX_CLK in the Extended PHY Specific Control Register
- * to 25MHz clock.
- */
- ret_val = e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
- &phy_data);
+ phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
+ ret_val = e1000_write_phy_reg(hw,
+ IGP01E1000_PHY_PORT_CONFIG,
+ phy_data);
+ if(ret_val)
+ return ret_val;
+ /* Set auto Master/Slave resolution process */
+ ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
+ if(ret_val)
+ return ret_val;
+ phy_data &= ~CR_1000T_MS_ENABLE;
+ ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
if(ret_val)
return ret_val;
+ }
- phy_data |= M88E1000_EPSCR_TX_CLK_25;
+ ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_data);
+ if(ret_val)
+ return ret_val;
- if (hw->phy_revision < M88E1011_I_REV_4) {
- /* Configure Master and Slave downshift values */
- phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
- M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
- phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
- M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
- ret_val = e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
- phy_data);
- if(ret_val)
- return ret_val;
- }
+ /* load defaults for future use */
+ hw->original_master_slave = (phy_data & CR_1000T_MS_ENABLE) ?
+ ((phy_data & CR_1000T_MS_VALUE) ?
+ e1000_ms_force_master :
+ e1000_ms_force_slave) :
+ e1000_ms_auto;
- /* SW Reset the PHY so all changes take effect */
- ret_val = e1000_phy_reset(hw);
- if(ret_val) {
- DEBUGOUT("Error Resetting the PHY\n");
- return ret_val;
- }
+ switch (phy_ms_setting) {
+ case e1000_ms_force_master:
+ phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
+ break;
+ case e1000_ms_force_slave:
+ phy_data |= CR_1000T_MS_ENABLE;
+ phy_data &= ~(CR_1000T_MS_VALUE);
+ break;
+ case e1000_ms_auto:
+ phy_data &= ~CR_1000T_MS_ENABLE;
+ default:
+ break;
+ }
+ ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_data);
+ if(ret_val)
+ return ret_val;
}
- /* Options:
- * autoneg = 1 (default)
- * PHY will advertise value(s) parsed from
- * autoneg_advertised and fc
- * autoneg = 0
- * PHY will be set to 10H, 10F, 100H, or 100F
- * depending on value parsed from forced_speed_duplex.
- */
+ return E1000_SUCCESS;
+}
- /* Is autoneg enabled? This is enabled by default or by software
- * override. If so, call e1000_phy_setup_autoneg routine to parse the
- * autoneg_advertised and fc options. If autoneg is NOT enabled, then
- * the user should have provided a speed/duplex override. If so, then
- * call e1000_phy_force_speed_duplex to parse and set this up.
- */
- if(hw->autoneg) {
- /* Perform some bounds checking on the hw->autoneg_advertised
- * parameter. If this variable is zero, then set it to the default.
- */
- hw->autoneg_advertised &= AUTONEG_ADVERTISE_SPEED_DEFAULT;
- /* If autoneg_advertised is zero, we assume it was not defaulted
- * by the calling code so we set to advertise full capability.
- */
- if(hw->autoneg_advertised == 0)
- hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT;
+/********************************************************************
+* Copper link setup for e1000_phy_m88 series.
+*
+* hw - Struct containing variables accessed by shared code
+*********************************************************************/
+static int32_t
+e1000_copper_link_mgp_setup(struct e1000_hw *hw)
+{
+ int32_t ret_val;
+ uint16_t phy_data;
- DEBUGOUT("Reconfiguring auto-neg advertisement params\n");
- ret_val = e1000_phy_setup_autoneg(hw);
- if(ret_val) {
- DEBUGOUT("Error Setting up Auto-Negotiation\n");
- return ret_val;
- }
- DEBUGOUT("Restarting Auto-Neg\n");
+ DEBUGFUNC("e1000_copper_link_mgp_setup");
- /* Restart auto-negotiation by setting the Auto Neg Enable bit and
- * the Auto Neg Restart bit in the PHY control register.
- */
- ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
- if(ret_val)
- return ret_val;
+ if(hw->phy_reset_disable)
+ return E1000_SUCCESS;
+
+ /* Enable CRS on TX. This must be set for half-duplex operation. */
+ ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
+ if(ret_val)
+ return ret_val;
- phy_data |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
- ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
- if(ret_val)
- return ret_val;
+ phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
- /* Does the user want to wait for Auto-Neg to complete here, or
- * check at a later time (for example, callback routine).
- */
- if(hw->wait_autoneg_complete) {
- ret_val = e1000_wait_autoneg(hw);
- if(ret_val) {
- DEBUGOUT("Error while waiting for autoneg to complete\n");
- return ret_val;
- }
- }
- hw->get_link_status = TRUE;
- } else {
- DEBUGOUT("Forcing speed and duplex\n");
- ret_val = e1000_phy_force_speed_duplex(hw);
- if(ret_val) {
- DEBUGOUT("Error Forcing Speed and Duplex\n");
- return ret_val;
- }
- }
- } /* !hw->phy_reset_disable */
+ /* Options:
+ * MDI/MDI-X = 0 (default)
+ * 0 - Auto for all speeds
+ * 1 - MDI mode
+ * 2 - MDI-X mode
+ * 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
+ */
+ phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
- /* Check link status. Wait up to 100 microseconds for link to become
- * valid.
+ switch (hw->mdix) {
+ case 1:
+ phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
+ break;
+ case 2:
+ phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
+ break;
+ case 3:
+ phy_data |= M88E1000_PSCR_AUTO_X_1000T;
+ break;
+ case 0:
+ default:
+ phy_data |= M88E1000_PSCR_AUTO_X_MODE;
+ break;
+ }
+
+ /* Options:
+ * disable_polarity_correction = 0 (default)
+ * Automatic Correction for Reversed Cable Polarity
+ * 0 - Disabled
+ * 1 - Enabled
*/
- for(i = 0; i < 10; i++) {
- ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
+ phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
+ if(hw->disable_polarity_correction == 1)
+ phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
+ ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
if(ret_val)
return ret_val;
- ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
+
+ /* Force TX_CLK in the Extended PHY Specific Control Register
+ * to 25MHz clock.
+ */
+ ret_val = e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
+ if(ret_val)
+ return ret_val;
+
+ phy_data |= M88E1000_EPSCR_TX_CLK_25;
+
+ if (hw->phy_revision < M88E1011_I_REV_4) {
+ /* Configure Master and Slave downshift values */
+ phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
+ M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
+ phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
+ M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
+ ret_val = e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
if(ret_val)
return ret_val;
+ }
- if(phy_data & MII_SR_LINK_STATUS) {
- /* We have link, so we need to finish the config process:
- * 1) Set up the MAC to the current PHY speed/duplex
- * if we are on 82543. If we
- * are on newer silicon, we only need to configure
- * collision distance in the Transmit Control Register.
- * 2) Set up flow control on the MAC to that established with
- * the link partner.
- */
- if(hw->mac_type >= e1000_82544) {
- e1000_config_collision_dist(hw);
- } else {
- ret_val = e1000_config_mac_to_phy(hw);
- if(ret_val) {
- DEBUGOUT("Error configuring MAC to PHY settings\n");
- return ret_val;
- }
- }
- ret_val = e1000_config_fc_after_link_up(hw);
- if(ret_val) {
- DEBUGOUT("Error Configuring Flow Control\n");
- return ret_val;
- }
- DEBUGOUT("Valid link established!!!\n");
-
- if(hw->phy_type == e1000_phy_igp) {
- ret_val = e1000_config_dsp_after_link_change(hw, TRUE);
- if(ret_val) {
- DEBUGOUT("Error Configuring DSP after link up\n");
- return ret_val;
- }
- }
- DEBUGOUT("Valid link established!!!\n");
- return E1000_SUCCESS;
- }
- udelay(10);
+ /* SW Reset the PHY so all changes take effect */
+ ret_val = e1000_phy_reset(hw);
+ if(ret_val) {
+ DEBUGOUT("Error Resetting the PHY\n");
+ return ret_val;
}
- DEBUGOUT("Unable to establish link!!!\n");
- return E1000_SUCCESS;
+ return E1000_SUCCESS;
}
-/******************************************************************************
-* Configures PHY autoneg and flow control advertisement settings
+/********************************************************************
+* Setup auto-negotiation and flow control advertisements,
+* and then perform auto-negotiation.
*
* hw - Struct containing variables accessed by shared code
-******************************************************************************/
-int32_t
-e1000_phy_setup_autoneg(struct e1000_hw *hw)
+*********************************************************************/
+static int32_t
+e1000_copper_link_autoneg(struct e1000_hw *hw)
{
int32_t ret_val;
- uint16_t mii_autoneg_adv_reg;
- uint16_t mii_1000t_ctrl_reg;
+ uint16_t phy_data;
- DEBUGFUNC("e1000_phy_setup_autoneg");
+ DEBUGFUNC("e1000_copper_link_autoneg");
- /* Read the MII Auto-Neg Advertisement Register (Address 4). */
- ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
+ /* Perform some bounds checking on the hw->autoneg_advertised
+ * parameter. If this variable is zero, then set it to the default.
+ */
+ hw->autoneg_advertised &= AUTONEG_ADVERTISE_SPEED_DEFAULT;
+
+ /* If autoneg_advertised is zero, we assume it was not defaulted
+ * by the calling code so we set to advertise full capability.
+ */
+ if(hw->autoneg_advertised == 0)
+ hw->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT;
+
+ DEBUGOUT("Reconfiguring auto-neg advertisement params\n");
+ ret_val = e1000_phy_setup_autoneg(hw);
+ if(ret_val) {
+ DEBUGOUT("Error Setting up Auto-Negotiation\n");
+ return ret_val;
+ }
+ DEBUGOUT("Restarting Auto-Neg\n");
+
+ /* Restart auto-negotiation by setting the Auto Neg Enable bit and
+ * the Auto Neg Restart bit in the PHY control register.
+ */
+ ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
if(ret_val)
return ret_val;
- /* Read the MII 1000Base-T Control Register (Address 9). */
- ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
+ phy_data |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
+ ret_val = e1000_write_phy_reg(hw, PHY_CTRL, phy_data);
if(ret_val)
return ret_val;
- /* Need to parse both autoneg_advertised and fc and set up
+ /* Does the user want to wait for Auto-Neg to complete here, or
+ * check at a later time (for example, callback routine).
+ */
+ if(hw->wait_autoneg_complete) {
+ ret_val = e1000_wait_autoneg(hw);
+ if(ret_val) {
+ DEBUGOUT("Error while waiting for autoneg to complete\n");
+ return ret_val;
+ }
+ }
+
+ hw->get_link_status = TRUE;
+
+ return E1000_SUCCESS;
+}
+
+
+/******************************************************************************
+* Config the MAC and the PHY after link is up.
+* 1) Set up the MAC to the current PHY speed/duplex
+* if we are on 82543. If we
+* are on newer silicon, we only need to configure
+* collision distance in the Transmit Control Register.
+* 2) Set up flow control on the MAC to that established with
+* the link partner.
+* 3) Config DSP to improve Gigabit link quality for some PHY revisions.
+*
+* hw - Struct containing variables accessed by shared code
+******************************************************************************/
+static int32_t
+e1000_copper_link_postconfig(struct e1000_hw *hw)
+{
+ int32_t ret_val;
+ DEBUGFUNC("e1000_copper_link_postconfig");
+
+ if(hw->mac_type >= e1000_82544) {
+ e1000_config_collision_dist(hw);
+ } else {
+ ret_val = e1000_config_mac_to_phy(hw);
+ if(ret_val) {
+ DEBUGOUT("Error configuring MAC to PHY settings\n");
+ return ret_val;
+ }
+ }
+ ret_val = e1000_config_fc_after_link_up(hw);
+ if(ret_val) {
+ DEBUGOUT("Error Configuring Flow Control\n");
+ return ret_val;
+ }
+
+ /* Config DSP to improve Giga link quality */
+ if(hw->phy_type == e1000_phy_igp) {
+ ret_val = e1000_config_dsp_after_link_change(hw, TRUE);
+ if(ret_val) {
+ DEBUGOUT("Error Configuring DSP after link up\n");
+ return ret_val;
+ }
+ }
+
+ return E1000_SUCCESS;
+}
+
+/******************************************************************************
+* Detects which PHY is present and setup the speed and duplex
+*
+* hw - Struct containing variables accessed by shared code
+******************************************************************************/
+static int32_t
+e1000_setup_copper_link(struct e1000_hw *hw)
+{
+ int32_t ret_val;
+ uint16_t i;
+ uint16_t phy_data;
+
+ DEBUGFUNC("e1000_setup_copper_link");
+
+ /* Check if it is a valid PHY and set PHY mode if necessary. */
+ ret_val = e1000_copper_link_preconfig(hw);
+ if(ret_val)
+ return ret_val;
+
+ if (hw->phy_type == e1000_phy_igp ||
+ hw->phy_type == e1000_phy_igp_2) {
+ ret_val = e1000_copper_link_igp_setup(hw);
+ if(ret_val)
+ return ret_val;
+ } else if (hw->phy_type == e1000_phy_m88) {
+ ret_val = e1000_copper_link_mgp_setup(hw);
+ if(ret_val)
+ return ret_val;
+ }
+
+ if(hw->autoneg) {
+ /* Setup autoneg and flow control advertisement
+ * and perform autonegotiation */
+ ret_val = e1000_copper_link_autoneg(hw);
+ if(ret_val)
+ return ret_val;
+ } else {
+ /* PHY will be set to 10H, 10F, 100H,or 100F
+ * depending on value from forced_speed_duplex. */
+ DEBUGOUT("Forcing speed and duplex\n");
+ ret_val = e1000_phy_force_speed_duplex(hw);
+ if(ret_val) {
+ DEBUGOUT("Error Forcing Speed and Duplex\n");
+ return ret_val;
+ }
+ }
+
+ /* Check link status. Wait up to 100 microseconds for link to become
+ * valid.
+ */
+ for(i = 0; i < 10; i++) {
+ ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
+ if(ret_val)
+ return ret_val;
+ ret_val = e1000_read_phy_reg(hw, PHY_STATUS, &phy_data);
+ if(ret_val)
+ return ret_val;
+
+ if(phy_data & MII_SR_LINK_STATUS) {
+ /* Config the MAC and PHY after link is up */
+ ret_val = e1000_copper_link_postconfig(hw);
+ if(ret_val)
+ return ret_val;
+
+ DEBUGOUT("Valid link established!!!\n");
+ return E1000_SUCCESS;
+ }
+ udelay(10);
+ }
+
+ DEBUGOUT("Unable to establish link!!!\n");
+ return E1000_SUCCESS;
+}
+
+/******************************************************************************
+* Configures PHY autoneg and flow control advertisement settings
+*
+* hw - Struct containing variables accessed by shared code
+******************************************************************************/
+int32_t
+e1000_phy_setup_autoneg(struct e1000_hw *hw)
+{
+ int32_t ret_val;
+ uint16_t mii_autoneg_adv_reg;
+ uint16_t mii_1000t_ctrl_reg;
+
+ DEBUGFUNC("e1000_phy_setup_autoneg");
+
+ /* Read the MII Auto-Neg Advertisement Register (Address 4). */
+ ret_val = e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
+ if(ret_val)
+ return ret_val;
+
+ /* Read the MII 1000Base-T Control Register (Address 9). */
+ ret_val = e1000_read_phy_reg(hw, PHY_1000T_CTRL, &mii_1000t_ctrl_reg);
+ if(ret_val)
+ return ret_val;
+
+ /* Need to parse both autoneg_advertised and fc and set up
* the appropriate PHY registers. First we will parse for
* autoneg_advertised software override. Since we can advertise
* a plethora of combinations, we need to check each bit
DEBUGOUT1("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
- ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
+ ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
if(ret_val)
return ret_val;
if(mii_status_reg & MII_SR_LINK_STATUS) break;
msec_delay(100);
}
- if((i == 0) && (hw->phy_type == e1000_phy_m88)) {
+ if((i == 0) &&
+ (hw->phy_type == e1000_phy_m88)) {
/* We didn't get link. Reset the DSP and wait again for link. */
ret_val = e1000_phy_reset_dsp(hw);
if(ret_val) {
DEBUGFUNC("e1000_config_mac_to_phy");
+ /* 82544 or newer MAC, Auto Speed Detection takes care of
+ * MAC speed/duplex configuration.*/
+ if (hw->mac_type >= e1000_82544)
+ return E1000_SUCCESS;
+
/* Read the Device Control Register and set the bits to Force Speed
* and Duplex.
*/
/* Set up duplex in the Device Control and Transmit Control
* registers depending on negotiated values.
*/
- if (hw->phy_type == e1000_phy_igp) {
- ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS,
- &phy_data);
- if(ret_val)
- return ret_val;
-
- if(phy_data & IGP01E1000_PSSR_FULL_DUPLEX) ctrl |= E1000_CTRL_FD;
- else ctrl &= ~E1000_CTRL_FD;
-
- e1000_config_collision_dist(hw);
+ ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
+ if(ret_val)
+ return ret_val;
- /* Set up speed in the Device Control register depending on
- * negotiated values.
- */
- if((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
- IGP01E1000_PSSR_SPEED_1000MBPS)
- ctrl |= E1000_CTRL_SPD_1000;
- else if((phy_data & IGP01E1000_PSSR_SPEED_MASK) ==
- IGP01E1000_PSSR_SPEED_100MBPS)
- ctrl |= E1000_CTRL_SPD_100;
- } else {
- ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
- &phy_data);
- if(ret_val)
- return ret_val;
+ if(phy_data & M88E1000_PSSR_DPLX)
+ ctrl |= E1000_CTRL_FD;
+ else
+ ctrl &= ~E1000_CTRL_FD;
- if(phy_data & M88E1000_PSSR_DPLX) ctrl |= E1000_CTRL_FD;
- else ctrl &= ~E1000_CTRL_FD;
+ e1000_config_collision_dist(hw);
- e1000_config_collision_dist(hw);
+ /* Set up speed in the Device Control register depending on
+ * negotiated values.
+ */
+ if((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS)
+ ctrl |= E1000_CTRL_SPD_1000;
+ else if((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_100MBS)
+ ctrl |= E1000_CTRL_SPD_100;
- /* Set up speed in the Device Control register depending on
- * negotiated values.
- */
- if((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS)
- ctrl |= E1000_CTRL_SPD_1000;
- else if((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_100MBS)
- ctrl |= E1000_CTRL_SPD_100;
- }
/* Write the configured values back to the Device Control Reg. */
E1000_WRITE_REG(hw, CTRL, ctrl);
return E1000_SUCCESS;
DEBUGFUNC("e1000_read_phy_reg");
-
- if(hw->phy_type == e1000_phy_igp &&
+ if((hw->phy_type == e1000_phy_igp ||
+ hw->phy_type == e1000_phy_igp_2) &&
(reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
(uint16_t)reg_addr);
}
}
- ret_val = e1000_read_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT & reg_addr,
+ ret_val = e1000_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
phy_data);
return ret_val;
DEBUGFUNC("e1000_write_phy_reg");
-
- if(hw->phy_type == e1000_phy_igp &&
+ if((hw->phy_type == e1000_phy_igp ||
+ hw->phy_type == e1000_phy_igp_2) &&
(reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
(uint16_t)reg_addr);
}
}
- ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT & reg_addr,
+ ret_val = e1000_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
phy_data);
return ret_val;
return E1000_SUCCESS;
}
+
/******************************************************************************
* Returns the PHY to the power-on reset state
*
* hw - Struct containing variables accessed by shared code
******************************************************************************/
-void
+int32_t
e1000_phy_hw_reset(struct e1000_hw *hw)
{
uint32_t ctrl, ctrl_ext;
uint32_t led_ctrl;
+ int32_t ret_val;
DEBUGFUNC("e1000_phy_hw_reset");
+ /* In the case of the phy reset being blocked, it's not an error, we
+ * simply return success without performing the reset. */
+ ret_val = e1000_check_phy_reset_block(hw);
+ if (ret_val)
+ return E1000_SUCCESS;
+
DEBUGOUT("Resetting Phy...\n");
if(hw->mac_type > e1000_82543) {
led_ctrl |= (IGP_ACTIVITY_LED_ENABLE | IGP_LED3_MODE);
E1000_WRITE_REG(hw, LEDCTL, led_ctrl);
}
+
+ /* Wait for FW to finish PHY configuration. */
+ ret_val = e1000_get_phy_cfg_done(hw);
+
+ return ret_val;
}
/******************************************************************************
DEBUGFUNC("e1000_phy_reset");
- if(hw->mac_type != e1000_82541_rev_2) {
+ /* In the case of the phy reset being blocked, it's not an error, we
+ * simply return success without performing the reset. */
+ ret_val = e1000_check_phy_reset_block(hw);
+ if (ret_val)
+ return E1000_SUCCESS;
+
+ switch (hw->mac_type) {
+ case e1000_82541_rev_2:
+ ret_val = e1000_phy_hw_reset(hw);
+ if(ret_val)
+ return ret_val;
+ break;
+ default:
ret_val = e1000_read_phy_reg(hw, PHY_CTRL, &phy_data);
if(ret_val)
return ret_val;
return ret_val;
udelay(1);
- } else e1000_phy_hw_reset(hw);
+ break;
+ }
- if(hw->phy_type == e1000_phy_igp)
+ if(hw->phy_type == e1000_phy_igp || hw->phy_type == e1000_phy_igp_2)
e1000_phy_init_script(hw);
return E1000_SUCCESS;
case e1000_82547_rev_2:
if(hw->phy_id == IGP01E1000_I_PHY_ID) match = TRUE;
break;
+ case e1000_82573:
+ if(hw->phy_id == M88E1111_I_PHY_ID) match = TRUE;
+ break;
default:
DEBUGOUT1("Invalid MAC type %d\n", hw->mac_type);
return -E1000_ERR_CONFIG;
/* The downshift status is checked only once, after link is established,
* and it stored in the hw->speed_downgraded parameter. */
- phy_info->downshift = hw->speed_downgraded;
+ phy_info->downshift = (e1000_downshift)hw->speed_downgraded;
/* IGP01E1000 does not need to support it. */
phy_info->extended_10bt_distance = e1000_10bt_ext_dist_enable_normal;
if(ret_val)
return ret_val;
- /* transalte to old method */
+ /* Translate to old method */
average = (max_length + min_length) / 2;
if(average <= e1000_igp_cable_length_50)
/* The downshift status is checked only once, after link is established,
* and it stored in the hw->speed_downgraded parameter. */
- phy_info->downshift = hw->speed_downgraded;
+ phy_info->downshift = (e1000_downshift)hw->speed_downgraded;
ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
if(ret_val)
/* Check polarity status */
ret_val = e1000_check_polarity(hw, &polarity);
if(ret_val)
- return ret_val;
-
+ return ret_val;
phy_info->cable_polarity = polarity;
ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
phy_info->mdix_mode = (phy_data & M88E1000_PSSR_MDIX) >>
M88E1000_PSSR_MDIX_SHIFT;
- if(phy_data & M88E1000_PSSR_1000MBS) {
- /* Cable Length Estimation and Local/Remote Receiver Informatoion
- * are only valid at 1000 Mbps
+ if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
+ /* Cable Length Estimation and Local/Remote Receiver Information
+ * are only valid at 1000 Mbps.
*/
phy_info->cable_length = ((phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
M88E1000_PSSR_CABLE_LENGTH_SHIFT);
return -E1000_ERR_CONFIG;
}
- if(hw->phy_type == e1000_phy_igp)
+ if(hw->phy_type == e1000_phy_igp ||
+ hw->phy_type == e1000_phy_igp_2)
return e1000_phy_igp_get_info(hw, phy_info);
else
return e1000_phy_m88_get_info(hw, phy_info);
*
* hw - Struct containing variables accessed by shared code
*****************************************************************************/
-void
+int32_t
e1000_init_eeprom_params(struct e1000_hw *hw)
{
struct e1000_eeprom_info *eeprom = &hw->eeprom;
uint32_t eecd = E1000_READ_REG(hw, EECD);
+ int32_t ret_val = E1000_SUCCESS;
uint16_t eeprom_size;
DEBUGFUNC("e1000_init_eeprom_params");
eeprom->opcode_bits = 3;
eeprom->address_bits = 6;
eeprom->delay_usec = 50;
+ eeprom->use_eerd = FALSE;
+ eeprom->use_eewr = FALSE;
break;
case e1000_82540:
case e1000_82545:
eeprom->word_size = 64;
eeprom->address_bits = 6;
}
+ eeprom->use_eerd = FALSE;
+ eeprom->use_eewr = FALSE;
break;
case e1000_82541:
case e1000_82541_rev_2:
eeprom->address_bits = 6;
}
}
+ eeprom->use_eerd = FALSE;
+ eeprom->use_eewr = FALSE;
+ break;
+ case e1000_82573:
+ eeprom->type = e1000_eeprom_spi;
+ eeprom->opcode_bits = 8;
+ eeprom->delay_usec = 1;
+ if (eecd & E1000_EECD_ADDR_BITS) {
+ eeprom->page_size = 32;
+ eeprom->address_bits = 16;
+ } else {
+ eeprom->page_size = 8;
+ eeprom->address_bits = 8;
+ }
+ eeprom->use_eerd = TRUE;
+ eeprom->use_eewr = TRUE;
+ if(e1000_is_onboard_nvm_eeprom(hw) == FALSE) {
+ eeprom->type = e1000_eeprom_flash;
+ eeprom->word_size = 2048;
+
+ /* Ensure that the Autonomous FLASH update bit is cleared due to
+ * Flash update issue on parts which use a FLASH for NVM. */
+ eecd &= ~E1000_EECD_AUPDEN;
+ E1000_WRITE_REG(hw, EECD, eecd);
+ }
break;
default:
break;
}
if (eeprom->type == e1000_eeprom_spi) {
- eeprom->word_size = 64;
- if (e1000_read_eeprom(hw, EEPROM_CFG, 1, &eeprom_size) == 0) {
- eeprom_size &= EEPROM_SIZE_MASK;
-
- switch (eeprom_size) {
- case EEPROM_SIZE_16KB:
- eeprom->word_size = 8192;
- break;
- case EEPROM_SIZE_8KB:
- eeprom->word_size = 4096;
- break;
- case EEPROM_SIZE_4KB:
- eeprom->word_size = 2048;
- break;
- case EEPROM_SIZE_2KB:
- eeprom->word_size = 1024;
- break;
- case EEPROM_SIZE_1KB:
- eeprom->word_size = 512;
- break;
- case EEPROM_SIZE_512B:
- eeprom->word_size = 256;
- break;
- case EEPROM_SIZE_128B:
- default:
- eeprom->word_size = 64;
- break;
- }
+ /* eeprom_size will be an enum [0..8] that maps to eeprom sizes 128B to
+ * 32KB (incremented by powers of 2).
+ */
+ if(hw->mac_type <= e1000_82547_rev_2) {
+ /* Set to default value for initial eeprom read. */
+ eeprom->word_size = 64;
+ ret_val = e1000_read_eeprom(hw, EEPROM_CFG, 1, &eeprom_size);
+ if(ret_val)
+ return ret_val;
+ eeprom_size = (eeprom_size & EEPROM_SIZE_MASK) >> EEPROM_SIZE_SHIFT;
+ /* 256B eeprom size was not supported in earlier hardware, so we
+ * bump eeprom_size up one to ensure that "1" (which maps to 256B)
+ * is never the result used in the shifting logic below. */
+ if(eeprom_size)
+ eeprom_size++;
+ } else {
+ eeprom_size = (uint16_t)((eecd & E1000_EECD_SIZE_EX_MASK) >>
+ E1000_EECD_SIZE_EX_SHIFT);
}
+
+ eeprom->word_size = 1 << (eeprom_size + EEPROM_WORD_SIZE_SHIFT);
}
+ return ret_val;
}
/******************************************************************************
DEBUGFUNC("e1000_acquire_eeprom");
+ if(e1000_get_hw_eeprom_semaphore(hw))
+ return -E1000_ERR_EEPROM;
+
eecd = E1000_READ_REG(hw, EECD);
+ if (hw->mac_type != e1000_82573) {
/* Request EEPROM Access */
if(hw->mac_type > e1000_82544) {
eecd |= E1000_EECD_REQ;
return -E1000_ERR_EEPROM;
}
}
+ }
/* Setup EEPROM for Read/Write */
eecd &= ~E1000_EECD_REQ;
E1000_WRITE_REG(hw, EECD, eecd);
}
+
+ e1000_put_hw_eeprom_semaphore(hw);
}
/******************************************************************************
{
struct e1000_eeprom_info *eeprom = &hw->eeprom;
uint32_t i = 0;
+ int32_t ret_val;
DEBUGFUNC("e1000_read_eeprom");
+
/* A check for invalid values: offset too large, too many words, and not
* enough words.
*/
return -E1000_ERR_EEPROM;
}
- /* Prepare the EEPROM for reading */
- if(e1000_acquire_eeprom(hw) != E1000_SUCCESS)
- return -E1000_ERR_EEPROM;
+ /* FLASH reads without acquiring the semaphore are safe in 82573-based
+ * controllers.
+ */
+ if ((e1000_is_onboard_nvm_eeprom(hw) == TRUE) ||
+ (hw->mac_type != e1000_82573)) {
+ /* Prepare the EEPROM for reading */
+ if(e1000_acquire_eeprom(hw) != E1000_SUCCESS)
+ return -E1000_ERR_EEPROM;
+ }
+
+ if(eeprom->use_eerd == TRUE) {
+ ret_val = e1000_read_eeprom_eerd(hw, offset, words, data);
+ if ((e1000_is_onboard_nvm_eeprom(hw) == TRUE) ||
+ (hw->mac_type != e1000_82573))
+ e1000_release_eeprom(hw);
+ return ret_val;
+ }
if(eeprom->type == e1000_eeprom_spi) {
uint16_t word_in;
}
/******************************************************************************
- * Verifies that the EEPROM has a valid checksum
+ * Reads a 16 bit word from the EEPROM using the EERD register.
*
* hw - Struct containing variables accessed by shared code
- *
- * Reads the first 64 16 bit words of the EEPROM and sums the values read.
- * If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
- * valid.
+ * offset - offset of word in the EEPROM to read
+ * data - word read from the EEPROM
+ * words - number of words to read
*****************************************************************************/
int32_t
-e1000_validate_eeprom_checksum(struct e1000_hw *hw)
+e1000_read_eeprom_eerd(struct e1000_hw *hw,
+ uint16_t offset,
+ uint16_t words,
+ uint16_t *data)
{
- uint16_t checksum = 0;
- uint16_t i, eeprom_data;
+ uint32_t i, eerd = 0;
+ int32_t error = 0;
- DEBUGFUNC("e1000_validate_eeprom_checksum");
+ for (i = 0; i < words; i++) {
+ eerd = ((offset+i) << E1000_EEPROM_RW_ADDR_SHIFT) +
+ E1000_EEPROM_RW_REG_START;
- for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
- if(e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
- DEBUGOUT("EEPROM Read Error\n");
- return -E1000_ERR_EEPROM;
+ E1000_WRITE_REG(hw, EERD, eerd);
+ error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_READ);
+
+ if(error) {
+ break;
}
- checksum += eeprom_data;
- }
-
- if(checksum == (uint16_t) EEPROM_SUM)
- return E1000_SUCCESS;
- else {
- DEBUGOUT("EEPROM Checksum Invalid\n");
- return -E1000_ERR_EEPROM;
+ data[i] = (E1000_READ_REG(hw, EERD) >> E1000_EEPROM_RW_REG_DATA);
+
}
+
+ return error;
}
/******************************************************************************
- * Calculates the EEPROM checksum and writes it to the EEPROM
+ * Writes a 16 bit word from the EEPROM using the EEWR register.
*
* hw - Struct containing variables accessed by shared code
- *
- * Sums the first 63 16 bit words of the EEPROM. Subtracts the sum from 0xBABA.
- * Writes the difference to word offset 63 of the EEPROM.
+ * offset - offset of word in the EEPROM to read
+ * data - word read from the EEPROM
+ * words - number of words to read
*****************************************************************************/
int32_t
-e1000_update_eeprom_checksum(struct e1000_hw *hw)
+e1000_write_eeprom_eewr(struct e1000_hw *hw,
+ uint16_t offset,
+ uint16_t words,
+ uint16_t *data)
{
- uint16_t checksum = 0;
- uint16_t i, eeprom_data;
+ uint32_t register_value = 0;
+ uint32_t i = 0;
+ int32_t error = 0;
- DEBUGFUNC("e1000_update_eeprom_checksum");
+ for (i = 0; i < words; i++) {
+ register_value = (data[i] << E1000_EEPROM_RW_REG_DATA) |
+ ((offset+i) << E1000_EEPROM_RW_ADDR_SHIFT) |
+ E1000_EEPROM_RW_REG_START;
- for(i = 0; i < EEPROM_CHECKSUM_REG; i++) {
- if(e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
- DEBUGOUT("EEPROM Read Error\n");
- return -E1000_ERR_EEPROM;
- }
- checksum += eeprom_data;
- }
+ error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_WRITE);
+ if(error) {
+ break;
+ }
+
+ E1000_WRITE_REG(hw, EEWR, register_value);
+
+ error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_WRITE);
+
+ if(error) {
+ break;
+ }
+ }
+
+ return error;
+}
+
+/******************************************************************************
+ * Polls the status bit (bit 1) of the EERD to determine when the read is done.
+ *
+ * hw - Struct containing variables accessed by shared code
+ *****************************************************************************/
+int32_t
+e1000_poll_eerd_eewr_done(struct e1000_hw *hw, int eerd)
+{
+ uint32_t attempts = 100000;
+ uint32_t i, reg = 0;
+ int32_t done = E1000_ERR_EEPROM;
+
+ for(i = 0; i < attempts; i++) {
+ if(eerd == E1000_EEPROM_POLL_READ)
+ reg = E1000_READ_REG(hw, EERD);
+ else
+ reg = E1000_READ_REG(hw, EEWR);
+
+ if(reg & E1000_EEPROM_RW_REG_DONE) {
+ done = E1000_SUCCESS;
+ break;
+ }
+ udelay(5);
+ }
+
+ return done;
+}
+
+/***************************************************************************
+* Description: Determines if the onboard NVM is FLASH or EEPROM.
+*
+* hw - Struct containing variables accessed by shared code
+****************************************************************************/
+boolean_t
+e1000_is_onboard_nvm_eeprom(struct e1000_hw *hw)
+{
+ uint32_t eecd = 0;
+
+ if(hw->mac_type == e1000_82573) {
+ eecd = E1000_READ_REG(hw, EECD);
+
+ /* Isolate bits 15 & 16 */
+ eecd = ((eecd >> 15) & 0x03);
+
+ /* If both bits are set, device is Flash type */
+ if(eecd == 0x03) {
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+/******************************************************************************
+ * Verifies that the EEPROM has a valid checksum
+ *
+ * hw - Struct containing variables accessed by shared code
+ *
+ * Reads the first 64 16 bit words of the EEPROM and sums the values read.
+ * If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
+ * valid.
+ *****************************************************************************/
+int32_t
+e1000_validate_eeprom_checksum(struct e1000_hw *hw)
+{
+ uint16_t checksum = 0;
+ uint16_t i, eeprom_data;
+
+ DEBUGFUNC("e1000_validate_eeprom_checksum");
+
+ if ((hw->mac_type == e1000_82573) &&
+ (e1000_is_onboard_nvm_eeprom(hw) == FALSE)) {
+ /* Check bit 4 of word 10h. If it is 0, firmware is done updating
+ * 10h-12h. Checksum may need to be fixed. */
+ e1000_read_eeprom(hw, 0x10, 1, &eeprom_data);
+ if ((eeprom_data & 0x10) == 0) {
+ /* Read 0x23 and check bit 15. This bit is a 1 when the checksum
+ * has already been fixed. If the checksum is still wrong and this
+ * bit is a 1, we need to return bad checksum. Otherwise, we need
+ * to set this bit to a 1 and update the checksum. */
+ e1000_read_eeprom(hw, 0x23, 1, &eeprom_data);
+ if ((eeprom_data & 0x8000) == 0) {
+ eeprom_data |= 0x8000;
+ e1000_write_eeprom(hw, 0x23, 1, &eeprom_data);
+ e1000_update_eeprom_checksum(hw);
+ }
+ }
+ }
+
+ for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
+ if(e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
+ DEBUGOUT("EEPROM Read Error\n");
+ return -E1000_ERR_EEPROM;
+ }
+ checksum += eeprom_data;
+ }
+
+ if(checksum == (uint16_t) EEPROM_SUM)
+ return E1000_SUCCESS;
+ else {
+ DEBUGOUT("EEPROM Checksum Invalid\n");
+ return -E1000_ERR_EEPROM;
+ }
+}
+
+/******************************************************************************
+ * Calculates the EEPROM checksum and writes it to the EEPROM
+ *
+ * hw - Struct containing variables accessed by shared code
+ *
+ * Sums the first 63 16 bit words of the EEPROM. Subtracts the sum from 0xBABA.
+ * Writes the difference to word offset 63 of the EEPROM.
+ *****************************************************************************/
+int32_t
+e1000_update_eeprom_checksum(struct e1000_hw *hw)
+{
+ uint16_t checksum = 0;
+ uint16_t i, eeprom_data;
+
+ DEBUGFUNC("e1000_update_eeprom_checksum");
+
+ for(i = 0; i < EEPROM_CHECKSUM_REG; i++) {
+ if(e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
+ DEBUGOUT("EEPROM Read Error\n");
+ return -E1000_ERR_EEPROM;
+ }
+ checksum += eeprom_data;
+ }
checksum = (uint16_t) EEPROM_SUM - checksum;
if(e1000_write_eeprom(hw, EEPROM_CHECKSUM_REG, 1, &checksum) < 0) {
DEBUGOUT("EEPROM Write Error\n");
return -E1000_ERR_EEPROM;
+ } else if (hw->eeprom.type == e1000_eeprom_flash) {
+ e1000_commit_shadow_ram(hw);
}
return E1000_SUCCESS;
}
return -E1000_ERR_EEPROM;
}
+ /* 82573 reads only through eerd */
+ if(eeprom->use_eewr == TRUE)
+ return e1000_write_eeprom_eewr(hw, offset, words, data);
+
/* Prepare the EEPROM for writing */
if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
return -E1000_ERR_EEPROM;
return E1000_SUCCESS;
}
+/******************************************************************************
+ * Flushes the cached eeprom to NVM. This is done by saving the modified values
+ * in the eeprom cache and the non modified values in the currently active bank
+ * to the new bank.
+ *
+ * hw - Struct containing variables accessed by shared code
+ * offset - offset of word in the EEPROM to read
+ * data - word read from the EEPROM
+ * words - number of words to read
+ *****************************************************************************/
+int32_t
+e1000_commit_shadow_ram(struct e1000_hw *hw)
+{
+ uint32_t attempts = 100000;
+ uint32_t eecd = 0;
+ uint32_t flop = 0;
+ uint32_t i = 0;
+ int32_t error = E1000_SUCCESS;
+
+ /* The flop register will be used to determine if flash type is STM */
+ flop = E1000_READ_REG(hw, FLOP);
+
+ if (hw->mac_type == e1000_82573) {
+ for (i=0; i < attempts; i++) {
+ eecd = E1000_READ_REG(hw, EECD);
+ if ((eecd & E1000_EECD_FLUPD) == 0) {
+ break;
+ }
+ udelay(5);
+ }
+
+ if (i == attempts) {
+ return -E1000_ERR_EEPROM;
+ }
+
+ /* If STM opcode located in bits 15:8 of flop, reset firmware */
+ if ((flop & 0xFF00) == E1000_STM_OPCODE) {
+ E1000_WRITE_REG(hw, HICR, E1000_HICR_FW_RESET);
+ }
+
+ /* Perform the flash update */
+ E1000_WRITE_REG(hw, EECD, eecd | E1000_EECD_FLUPD);
+
+ for (i=0; i < attempts; i++) {
+ eecd = E1000_READ_REG(hw, EECD);
+ if ((eecd & E1000_EECD_FLUPD) == 0) {
+ break;
+ }
+ udelay(5);
+ }
+
+ if (i == attempts) {
+ return -E1000_ERR_EEPROM;
+ }
+ }
+
+ return error;
+}
+
/******************************************************************************
* Reads the adapter's part number from the EEPROM
*
e1000_init_rx_addrs(struct e1000_hw *hw)
{
uint32_t i;
+ uint32_t rar_num;
DEBUGFUNC("e1000_init_rx_addrs");
e1000_rar_set(hw, hw->mac_addr, 0);
+ rar_num = E1000_RAR_ENTRIES;
/* Zero out the other 15 receive addresses. */
DEBUGOUT("Clearing RAR[1-15]\n");
- for(i = 1; i < E1000_RAR_ENTRIES; i++) {
+ for(i = 1; i < rar_num; i++) {
E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
E1000_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
}
{
uint32_t hash_value;
uint32_t i;
-
+ uint32_t num_rar_entry;
+ uint32_t num_mta_entry;
+
DEBUGFUNC("e1000_mc_addr_list_update");
/* Set the new number of MC addresses that we are being requested to use. */
/* Clear RAR[1-15] */
DEBUGOUT(" Clearing RAR[1-15]\n");
- for(i = rar_used_count; i < E1000_RAR_ENTRIES; i++) {
+ num_rar_entry = E1000_RAR_ENTRIES;
+ for(i = rar_used_count; i < num_rar_entry; i++) {
E1000_WRITE_REG_ARRAY(hw, RA, (i << 1), 0);
E1000_WRITE_REG_ARRAY(hw, RA, ((i << 1) + 1), 0);
}
/* Clear the MTA */
DEBUGOUT(" Clearing MTA\n");
- for(i = 0; i < E1000_NUM_MTA_REGISTERS; i++) {
+ num_mta_entry = E1000_NUM_MTA_REGISTERS;
+ for(i = 0; i < num_mta_entry; i++) {
E1000_WRITE_REG_ARRAY(hw, MTA, i, 0);
}
/* Place this multicast address in the RAR if there is room, *
* else put it in the MTA
*/
- if(rar_used_count < E1000_RAR_ENTRIES) {
+ if (rar_used_count < num_rar_entry) {
e1000_rar_set(hw,
mc_addr_list + (i * (ETH_LENGTH_OF_ADDRESS + pad)),
rar_used_count);
}
hash_value &= 0xFFF;
+
return hash_value;
}
e1000_clear_vfta(struct e1000_hw *hw)
{
uint32_t offset;
-
- for(offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++)
- E1000_WRITE_REG_ARRAY(hw, VFTA, offset, 0);
+ uint32_t vfta_value = 0;
+ uint32_t vfta_offset = 0;
+ uint32_t vfta_bit_in_reg = 0;
+
+ if (hw->mac_type == e1000_82573) {
+ if (hw->mng_cookie.vlan_id != 0) {
+ /* The VFTA is a 4096b bit-field, each identifying a single VLAN
+ * ID. The following operations determine which 32b entry
+ * (i.e. offset) into the array we want to set the VLAN ID
+ * (i.e. bit) of the manageability unit. */
+ vfta_offset = (hw->mng_cookie.vlan_id >>
+ E1000_VFTA_ENTRY_SHIFT) &
+ E1000_VFTA_ENTRY_MASK;
+ vfta_bit_in_reg = 1 << (hw->mng_cookie.vlan_id &
+ E1000_VFTA_ENTRY_BIT_SHIFT_MASK);
+ }
+ }
+ for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
+ /* If the offset we want to clear is the same offset of the
+ * manageability VLAN ID, then clear all bits except that of the
+ * manageability unit */
+ vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0;
+ E1000_WRITE_REG_ARRAY(hw, VFTA, offset, vfta_value);
+ }
}
-static int32_t
+int32_t
e1000_id_led_init(struct e1000_hw * hw)
{
uint32_t ledctl;
temp = E1000_READ_REG(hw, MGTPRC);
temp = E1000_READ_REG(hw, MGTPDC);
temp = E1000_READ_REG(hw, MGTPTC);
+
+ if(hw->mac_type <= e1000_82547_rev_2) return;
+
+ temp = E1000_READ_REG(hw, IAC);
+ temp = E1000_READ_REG(hw, ICRXOC);
+ temp = E1000_READ_REG(hw, ICRXPTC);
+ temp = E1000_READ_REG(hw, ICRXATC);
+ temp = E1000_READ_REG(hw, ICTXPTC);
+ temp = E1000_READ_REG(hw, ICTXATC);
+ temp = E1000_READ_REG(hw, ICTXQEC);
+ temp = E1000_READ_REG(hw, ICTXQMTC);
+ temp = E1000_READ_REG(hw, ICRXDMTC);
+
}
/******************************************************************************
{
uint32_t status;
- if(hw->mac_type < e1000_82543) {
+ switch (hw->mac_type) {
+ case e1000_82542_rev2_0:
+ case e1000_82542_rev2_1:
hw->bus_type = e1000_bus_type_unknown;
hw->bus_speed = e1000_bus_speed_unknown;
hw->bus_width = e1000_bus_width_unknown;
- return;
- }
-
- status = E1000_READ_REG(hw, STATUS);
- hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ?
- e1000_bus_type_pcix : e1000_bus_type_pci;
-
- if(hw->device_id == E1000_DEV_ID_82546EB_QUAD_COPPER) {
- hw->bus_speed = (hw->bus_type == e1000_bus_type_pci) ?
- e1000_bus_speed_66 : e1000_bus_speed_120;
- } else if(hw->bus_type == e1000_bus_type_pci) {
- hw->bus_speed = (status & E1000_STATUS_PCI66) ?
- e1000_bus_speed_66 : e1000_bus_speed_33;
- } else {
- switch (status & E1000_STATUS_PCIX_SPEED) {
- case E1000_STATUS_PCIX_SPEED_66:
- hw->bus_speed = e1000_bus_speed_66;
- break;
- case E1000_STATUS_PCIX_SPEED_100:
- hw->bus_speed = e1000_bus_speed_100;
- break;
- case E1000_STATUS_PCIX_SPEED_133:
- hw->bus_speed = e1000_bus_speed_133;
- break;
- default:
- hw->bus_speed = e1000_bus_speed_reserved;
- break;
+ break;
+ case e1000_82573:
+ hw->bus_type = e1000_bus_type_pci_express;
+ hw->bus_speed = e1000_bus_speed_2500;
+ hw->bus_width = e1000_bus_width_pciex_4;
+ break;
+ default:
+ status = E1000_READ_REG(hw, STATUS);
+ hw->bus_type = (status & E1000_STATUS_PCIX_MODE) ?
+ e1000_bus_type_pcix : e1000_bus_type_pci;
+
+ if(hw->device_id == E1000_DEV_ID_82546EB_QUAD_COPPER) {
+ hw->bus_speed = (hw->bus_type == e1000_bus_type_pci) ?
+ e1000_bus_speed_66 : e1000_bus_speed_120;
+ } else if(hw->bus_type == e1000_bus_type_pci) {
+ hw->bus_speed = (status & E1000_STATUS_PCI66) ?
+ e1000_bus_speed_66 : e1000_bus_speed_33;
+ } else {
+ switch (status & E1000_STATUS_PCIX_SPEED) {
+ case E1000_STATUS_PCIX_SPEED_66:
+ hw->bus_speed = e1000_bus_speed_66;
+ break;
+ case E1000_STATUS_PCIX_SPEED_100:
+ hw->bus_speed = e1000_bus_speed_100;
+ break;
+ case E1000_STATUS_PCIX_SPEED_133:
+ hw->bus_speed = e1000_bus_speed_133;
+ break;
+ default:
+ hw->bus_speed = e1000_bus_speed_reserved;
+ break;
+ }
}
+ hw->bus_width = (status & E1000_STATUS_BUS64) ?
+ e1000_bus_width_64 : e1000_bus_width_32;
+ break;
}
- hw->bus_width = (status & E1000_STATUS_BUS64) ?
- e1000_bus_width_64 : e1000_bus_width_32;
}
/******************************************************************************
* Reads a value from one of the devices registers using port I/O (as opposed
uint16_t agc_value = 0;
uint16_t cur_agc, min_agc = IGP01E1000_AGC_LENGTH_TABLE_SIZE;
uint16_t i, phy_data;
+ uint16_t cable_length;
DEBUGFUNC("e1000_get_cable_length");
/* Use old method for Phy older than IGP */
if(hw->phy_type == e1000_phy_m88) {
+
ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
&phy_data);
if(ret_val)
return ret_val;
+ cable_length = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
+ M88E1000_PSSR_CABLE_LENGTH_SHIFT;
/* Convert the enum value to ranged values */
- switch((phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
- M88E1000_PSSR_CABLE_LENGTH_SHIFT) {
+ switch (cable_length) {
case e1000_cable_length_50:
*min_length = 0;
*max_length = e1000_igp_cable_length_50;
return ret_val;
*polarity = (phy_data & M88E1000_PSSR_REV_POLARITY) >>
M88E1000_PSSR_REV_POLARITY_SHIFT;
- } else if(hw->phy_type == e1000_phy_igp) {
+ } else if(hw->phy_type == e1000_phy_igp ||
+ hw->phy_type == e1000_phy_igp_2) {
/* Read the Status register to check the speed */
ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS,
&phy_data);
DEBUGFUNC("e1000_check_downshift");
- if(hw->phy_type == e1000_phy_igp) {
+ if(hw->phy_type == e1000_phy_igp ||
+ hw->phy_type == e1000_phy_igp_2) {
ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_LINK_HEALTH,
&phy_data);
if(ret_val)
return ret_val;
hw->speed_downgraded = (phy_data & IGP01E1000_PLHR_SS_DOWNGRADE) ? 1 : 0;
- }
- else if(hw->phy_type == e1000_phy_m88) {
+ } else if(hw->phy_type == e1000_phy_m88) {
ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS,
&phy_data);
if(ret_val)
hw->speed_downgraded = (phy_data & M88E1000_PSSR_DOWNSHIFT) >>
M88E1000_PSSR_DOWNSHIFT_SHIFT;
}
+
return E1000_SUCCESS;
}
if(ret_val)
return ret_val;
- msec_delay(20);
+ msec_delay_irq(20);
ret_val = e1000_write_phy_reg(hw, 0x0000,
IGP01E1000_IEEE_FORCE_GIGA);
if(ret_val)
return ret_val;
- msec_delay(20);
+ msec_delay_irq(20);
/* Now enable the transmitter */
ret_val = e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
if(ret_val)
return ret_val;
- msec_delay(20);
+ msec_delay_irq(20);
ret_val = e1000_write_phy_reg(hw, 0x0000,
IGP01E1000_IEEE_FORCE_GIGA);
if(ret_val)
return ret_val;
- msec_delay(20);
+ msec_delay_irq(20);
/* Now enable the transmitter */
ret_val = e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
uint16_t phy_data;
DEBUGFUNC("e1000_set_d3_lplu_state");
- if(!((hw->mac_type == e1000_82541_rev_2) ||
- (hw->mac_type == e1000_82547_rev_2)))
+ if(hw->phy_type != e1000_phy_igp && hw->phy_type != e1000_phy_igp_2)
return E1000_SUCCESS;
/* During driver activity LPLU should not be used or it will attain link
* from the lowest speeds starting from 10Mbps. The capability is used for
* Dx transitions and states */
- ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO, &phy_data);
- if(ret_val)
- return ret_val;
-
- if(!active) {
- phy_data &= ~IGP01E1000_GMII_FLEX_SPD;
- ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO, phy_data);
+ if(hw->mac_type == e1000_82541_rev_2 || hw->mac_type == e1000_82547_rev_2) {
+ ret_val = e1000_read_phy_reg(hw, IGP01E1000_GMII_FIFO, &phy_data);
+ if(ret_val)
+ return ret_val;
+ } else {
+ ret_val = e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
if(ret_val)
return ret_val;
+ }
+
+ if(!active) {
+ if(hw->mac_type == e1000_82541_rev_2 ||
+ hw->mac_type == e1000_82547_rev_2) {
+ phy_data &= ~IGP01E1000_GMII_FLEX_SPD;
+ ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO, phy_data);
+ if(ret_val)
+ return ret_val;
+ } else {
+ phy_data &= ~IGP02E1000_PM_D3_LPLU;
+ ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
+ phy_data);
+ if (ret_val)
+ return ret_val;
+ }
/* LPLU and SmartSpeed are mutually exclusive. LPLU is used during
* Dx states where the power conservation is most important. During
(hw->autoneg_advertised == AUTONEG_ADVERTISE_10_ALL ) ||
(hw->autoneg_advertised == AUTONEG_ADVERTISE_10_100_ALL)) {
- phy_data |= IGP01E1000_GMII_FLEX_SPD;
- ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO, phy_data);
- if(ret_val)
- return ret_val;
+ if(hw->mac_type == e1000_82541_rev_2 ||
+ hw->mac_type == e1000_82547_rev_2) {
+ phy_data |= IGP01E1000_GMII_FLEX_SPD;
+ ret_val = e1000_write_phy_reg(hw, IGP01E1000_GMII_FIFO, phy_data);
+ if(ret_val)
+ return ret_val;
+ } else {
+ phy_data |= IGP02E1000_PM_D3_LPLU;
+ ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
+ phy_data);
+ if (ret_val)
+ return ret_val;
+ }
/* When LPLU is enabled we should disable SmartSpeed */
ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, &phy_data);
return E1000_SUCCESS;
}
-/******************************************************************************
- * Change VCO speed register to improve Bit Error Rate performance of SERDES.
+/*****************************************************************************
*
- * hw - Struct containing variables accessed by shared code
- *****************************************************************************/
-static int32_t
-e1000_set_vco_speed(struct e1000_hw *hw)
+ * This function sets the lplu d0 state according to the active flag. When
+ * activating lplu this function also disables smart speed and vise versa.
+ * lplu will not be activated unless the device autonegotiation advertisment
+ * meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes.
+ * hw: Struct containing variables accessed by shared code
+ * active - true to enable lplu false to disable lplu.
+ *
+ * returns: - E1000_ERR_PHY if fail to read/write the PHY
+ * E1000_SUCCESS at any other case.
+ *
+ ****************************************************************************/
+
+int32_t
+e1000_set_d0_lplu_state(struct e1000_hw *hw,
+ boolean_t active)
{
- int32_t ret_val;
- uint16_t default_page = 0;
+ int32_t ret_val;
uint16_t phy_data;
+ DEBUGFUNC("e1000_set_d0_lplu_state");
- DEBUGFUNC("e1000_set_vco_speed");
-
- switch(hw->mac_type) {
- case e1000_82545_rev_3:
- case e1000_82546_rev_3:
- break;
- default:
+ if(hw->mac_type <= e1000_82547_rev_2)
return E1000_SUCCESS;
- }
-
- /* Set PHY register 30, page 5, bit 8 to 0 */
-
- ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, &default_page);
- if(ret_val)
- return ret_val;
- ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0005);
- if(ret_val)
- return ret_val;
+ ret_val = e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data);
+ if(ret_val)
+ return ret_val;
- ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
- if(ret_val)
- return ret_val;
+ if (!active) {
+ phy_data &= ~IGP02E1000_PM_D0_LPLU;
+ ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
+ if (ret_val)
+ return ret_val;
- phy_data &= ~M88E1000_PHY_VCO_REG_BIT8;
- ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
- if(ret_val)
- return ret_val;
+ /* 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 (hw->smart_speed == e1000_smart_speed_on) {
+ ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
+ &phy_data);
+ if(ret_val)
+ return ret_val;
+
+ phy_data |= IGP01E1000_PSCFR_SMART_SPEED;
+ ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
+ phy_data);
+ if(ret_val)
+ return ret_val;
+ } else if (hw->smart_speed == e1000_smart_speed_off) {
+ ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
+ &phy_data);
+ if (ret_val)
+ return ret_val;
+
+ phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
+ ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
+ phy_data);
+ if(ret_val)
+ return ret_val;
+ }
+
+
+ } else {
+
+ phy_data |= IGP02E1000_PM_D0_LPLU;
+ ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
+ if (ret_val)
+ return ret_val;
+
+ /* When LPLU is enabled we should disable SmartSpeed */
+ ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, &phy_data);
+ if(ret_val)
+ return ret_val;
+
+ phy_data &= ~IGP01E1000_PSCFR_SMART_SPEED;
+ ret_val = e1000_write_phy_reg(hw, IGP01E1000_PHY_PORT_CONFIG, phy_data);
+ if(ret_val)
+ return ret_val;
+
+ }
+ return E1000_SUCCESS;
+}
+
+/******************************************************************************
+ * Change VCO speed register to improve Bit Error Rate performance of SERDES.
+ *
+ * hw - Struct containing variables accessed by shared code
+ *****************************************************************************/
+static int32_t
+e1000_set_vco_speed(struct e1000_hw *hw)
+{
+ int32_t ret_val;
+ uint16_t default_page = 0;
+ uint16_t phy_data;
+
+ DEBUGFUNC("e1000_set_vco_speed");
+
+ switch(hw->mac_type) {
+ case e1000_82545_rev_3:
+ case e1000_82546_rev_3:
+ break;
+ default:
+ return E1000_SUCCESS;
+ }
+
+ /* Set PHY register 30, page 5, bit 8 to 0 */
+
+ ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, &default_page);
+ if(ret_val)
+ return ret_val;
+
+ ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_PAGE_SELECT, 0x0005);
+ if(ret_val)
+ return ret_val;
+
+ ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, &phy_data);
+ if(ret_val)
+ return ret_val;
+
+ phy_data &= ~M88E1000_PHY_VCO_REG_BIT8;
+ ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_GEN_CONTROL, phy_data);
+ if(ret_val)
+ return ret_val;
/* Set PHY register 30, page 4, bit 11 to 1 */
return E1000_SUCCESS;
}
+
+/*****************************************************************************
+ * This function reads the cookie from ARC ram.
+ *
+ * returns: - E1000_SUCCESS .
+ ****************************************************************************/
+int32_t
+e1000_host_if_read_cookie(struct e1000_hw * hw, uint8_t *buffer)
+{
+ uint8_t i;
+ uint32_t offset = E1000_MNG_DHCP_COOKIE_OFFSET;
+ uint8_t length = E1000_MNG_DHCP_COOKIE_LENGTH;
+
+ length = (length >> 2);
+ offset = (offset >> 2);
+
+ for (i = 0; i < length; i++) {
+ *((uint32_t *) buffer + i) =
+ E1000_READ_REG_ARRAY_DWORD(hw, HOST_IF, offset + i);
+ }
+ return E1000_SUCCESS;
+}
+
+
+/*****************************************************************************
+ * This function checks whether the HOST IF is enabled for command operaton
+ * and also checks whether the previous command is completed.
+ * It busy waits in case of previous command is not completed.
+ *
+ * returns: - E1000_ERR_HOST_INTERFACE_COMMAND in case if is not ready or
+ * timeout
+ * - E1000_SUCCESS for success.
+ ****************************************************************************/
+int32_t
+e1000_mng_enable_host_if(struct e1000_hw * hw)
+{
+ uint32_t hicr;
+ uint8_t i;
+
+ /* Check that the host interface is enabled. */
+ hicr = E1000_READ_REG(hw, HICR);
+ if ((hicr & E1000_HICR_EN) == 0) {
+ DEBUGOUT("E1000_HOST_EN bit disabled.\n");
+ return -E1000_ERR_HOST_INTERFACE_COMMAND;
+ }
+ /* check the previous command is completed */
+ for (i = 0; i < E1000_MNG_DHCP_COMMAND_TIMEOUT; i++) {
+ hicr = E1000_READ_REG(hw, HICR);
+ if (!(hicr & E1000_HICR_C))
+ break;
+ msec_delay_irq(1);
+ }
+
+ if (i == E1000_MNG_DHCP_COMMAND_TIMEOUT) {
+ DEBUGOUT("Previous command timeout failed .\n");
+ return -E1000_ERR_HOST_INTERFACE_COMMAND;
+ }
+ return E1000_SUCCESS;
+}
+
+/*****************************************************************************
+ * This function writes the buffer content at the offset given on the host if.
+ * It also does alignment considerations to do the writes in most efficient way.
+ * Also fills up the sum of the buffer in *buffer parameter.
+ *
+ * returns - E1000_SUCCESS for success.
+ ****************************************************************************/
+int32_t
+e1000_mng_host_if_write(struct e1000_hw * hw, uint8_t *buffer,
+ uint16_t length, uint16_t offset, uint8_t *sum)
+{
+ uint8_t *tmp;
+ uint8_t *bufptr = buffer;
+ uint32_t data;
+ uint16_t remaining, i, j, prev_bytes;
+
+ /* sum = only sum of the data and it is not checksum */
+
+ if (length == 0 || offset + length > E1000_HI_MAX_MNG_DATA_LENGTH) {
+ return -E1000_ERR_PARAM;
+ }
+
+ tmp = (uint8_t *)&data;
+ prev_bytes = offset & 0x3;
+ offset &= 0xFFFC;
+ offset >>= 2;
+
+ if (prev_bytes) {
+ data = E1000_READ_REG_ARRAY_DWORD(hw, HOST_IF, offset);
+ for (j = prev_bytes; j < sizeof(uint32_t); j++) {
+ *(tmp + j) = *bufptr++;
+ *sum += *(tmp + j);
+ }
+ E1000_WRITE_REG_ARRAY_DWORD(hw, HOST_IF, offset, data);
+ length -= j - prev_bytes;
+ offset++;
+ }
+
+ remaining = length & 0x3;
+ length -= remaining;
+
+ /* Calculate length in DWORDs */
+ length >>= 2;
+
+ /* The device driver writes the relevant command block into the
+ * ram area. */
+ for (i = 0; i < length; i++) {
+ for (j = 0; j < sizeof(uint32_t); j++) {
+ *(tmp + j) = *bufptr++;
+ *sum += *(tmp + j);
+ }
+
+ E1000_WRITE_REG_ARRAY_DWORD(hw, HOST_IF, offset + i, data);
+ }
+ if (remaining) {
+ for (j = 0; j < sizeof(uint32_t); j++) {
+ if (j < remaining)
+ *(tmp + j) = *bufptr++;
+ else
+ *(tmp + j) = 0;
+
+ *sum += *(tmp + j);
+ }
+ E1000_WRITE_REG_ARRAY_DWORD(hw, HOST_IF, offset + i, data);
+ }
+
+ return E1000_SUCCESS;
+}
+
+
+/*****************************************************************************
+ * This function writes the command header after does the checksum calculation.
+ *
+ * returns - E1000_SUCCESS for success.
+ ****************************************************************************/
+int32_t
+e1000_mng_write_cmd_header(struct e1000_hw * hw,
+ struct e1000_host_mng_command_header * hdr)
+{
+ uint16_t i;
+ uint8_t sum;
+ uint8_t *buffer;
+
+ /* Write the whole command header structure which includes sum of
+ * the buffer */
+
+ uint16_t length = sizeof(struct e1000_host_mng_command_header);
+
+ sum = hdr->checksum;
+ hdr->checksum = 0;
+
+ buffer = (uint8_t *) hdr;
+ i = length;
+ while(i--)
+ sum += buffer[i];
+
+ hdr->checksum = 0 - sum;
+
+ length >>= 2;
+ /* The device driver writes the relevant command block into the ram area. */
+ for (i = 0; i < length; i++)
+ E1000_WRITE_REG_ARRAY_DWORD(hw, HOST_IF, i, *((uint32_t *) hdr + i));
+
+ return E1000_SUCCESS;
+}
+
+
+/*****************************************************************************
+ * This function indicates to ARC that a new command is pending which completes
+ * one write operation by the driver.
+ *
+ * returns - E1000_SUCCESS for success.
+ ****************************************************************************/
+int32_t
+e1000_mng_write_commit(
+ struct e1000_hw * hw)
+{
+ uint32_t hicr;
+
+ hicr = E1000_READ_REG(hw, HICR);
+ /* Setting this bit tells the ARC that a new command is pending. */
+ E1000_WRITE_REG(hw, HICR, hicr | E1000_HICR_C);
+
+ return E1000_SUCCESS;
+}
+
+
+/*****************************************************************************
+ * This function checks the mode of the firmware.
+ *
+ * returns - TRUE when the mode is IAMT or FALSE.
+ ****************************************************************************/
+boolean_t
+e1000_check_mng_mode(
+ struct e1000_hw *hw)
+{
+ uint32_t fwsm;
+
+ fwsm = E1000_READ_REG(hw, FWSM);
+
+ if((fwsm & E1000_FWSM_MODE_MASK) ==
+ (E1000_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT))
+ return TRUE;
+
+ return FALSE;
+}
+
+
+/*****************************************************************************
+ * This function writes the dhcp info .
+ ****************************************************************************/
+int32_t
+e1000_mng_write_dhcp_info(struct e1000_hw * hw, uint8_t *buffer,
+ uint16_t length)
+{
+ int32_t ret_val;
+ struct e1000_host_mng_command_header hdr;
+
+ hdr.command_id = E1000_MNG_DHCP_TX_PAYLOAD_CMD;
+ hdr.command_length = length;
+ hdr.reserved1 = 0;
+ hdr.reserved2 = 0;
+ hdr.checksum = 0;
+
+ ret_val = e1000_mng_enable_host_if(hw);
+ if (ret_val == E1000_SUCCESS) {
+ ret_val = e1000_mng_host_if_write(hw, buffer, length, sizeof(hdr),
+ &(hdr.checksum));
+ if (ret_val == E1000_SUCCESS) {
+ ret_val = e1000_mng_write_cmd_header(hw, &hdr);
+ if (ret_val == E1000_SUCCESS)
+ ret_val = e1000_mng_write_commit(hw);
+ }
+ }
+ return ret_val;
+}
+
+
+/*****************************************************************************
+ * This function calculates the checksum.
+ *
+ * returns - checksum of buffer contents.
+ ****************************************************************************/
+uint8_t
+e1000_calculate_mng_checksum(char *buffer, uint32_t length)
+{
+ uint8_t sum = 0;
+ uint32_t i;
+
+ if (!buffer)
+ return 0;
+
+ for (i=0; i < length; i++)
+ sum += buffer[i];
+
+ return (uint8_t) (0 - sum);
+}
+
+/*****************************************************************************
+ * This function checks whether tx pkt filtering needs to be enabled or not.
+ *
+ * returns - TRUE for packet filtering or FALSE.
+ ****************************************************************************/
+boolean_t
+e1000_enable_tx_pkt_filtering(struct e1000_hw *hw)
+{
+ /* called in init as well as watchdog timer functions */
+
+ int32_t ret_val, checksum;
+ boolean_t tx_filter = FALSE;
+ struct e1000_host_mng_dhcp_cookie *hdr = &(hw->mng_cookie);
+ uint8_t *buffer = (uint8_t *) &(hw->mng_cookie);
+
+ if (e1000_check_mng_mode(hw)) {
+ ret_val = e1000_mng_enable_host_if(hw);
+ if (ret_val == E1000_SUCCESS) {
+ ret_val = e1000_host_if_read_cookie(hw, buffer);
+ if (ret_val == E1000_SUCCESS) {
+ checksum = hdr->checksum;
+ hdr->checksum = 0;
+ if ((hdr->signature == E1000_IAMT_SIGNATURE) &&
+ checksum == e1000_calculate_mng_checksum((char *)buffer,
+ E1000_MNG_DHCP_COOKIE_LENGTH)) {
+ if (hdr->status &
+ E1000_MNG_DHCP_COOKIE_STATUS_PARSING_SUPPORT)
+ tx_filter = TRUE;
+ } else
+ tx_filter = TRUE;
+ } else
+ tx_filter = TRUE;
+ }
+ }
+
+ hw->tx_pkt_filtering = tx_filter;
+ return tx_filter;
+}
+
+/******************************************************************************
+ * Verifies the hardware needs to allow ARPs to be processed by the host
+ *
+ * hw - Struct containing variables accessed by shared code
+ *
+ * returns: - TRUE/FALSE
+ *
+ *****************************************************************************/
+uint32_t
+e1000_enable_mng_pass_thru(struct e1000_hw *hw)
+{
+ uint32_t manc;
+ uint32_t fwsm, factps;
+
+ if (hw->asf_firmware_present) {
+ manc = E1000_READ_REG(hw, MANC);
+
+ if (!(manc & E1000_MANC_RCV_TCO_EN) ||
+ !(manc & E1000_MANC_EN_MAC_ADDR_FILTER))
+ return FALSE;
+ if (e1000_arc_subsystem_valid(hw) == TRUE) {
+ fwsm = E1000_READ_REG(hw, FWSM);
+ factps = E1000_READ_REG(hw, FACTPS);
+
+ if (((fwsm & E1000_FWSM_MODE_MASK) ==
+ (e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT)) &&
+ (factps & E1000_FACTPS_MNGCG))
+ return TRUE;
+ } else
+ if ((manc & E1000_MANC_SMBUS_EN) && !(manc & E1000_MANC_ASF_EN))
+ return TRUE;
+ }
+ return FALSE;
+}
+
static int32_t
e1000_polarity_reversal_workaround(struct e1000_hw *hw)
{
return E1000_SUCCESS;
}
+/***************************************************************************
+ *
+ * Disables PCI-Express master access.
+ *
+ * hw: Struct containing variables accessed by shared code
+ *
+ * returns: - none.
+ *
+ ***************************************************************************/
+void
+e1000_set_pci_express_master_disable(struct e1000_hw *hw)
+{
+ uint32_t ctrl;
+
+ DEBUGFUNC("e1000_set_pci_express_master_disable");
+
+ if (hw->bus_type != e1000_bus_type_pci_express)
+ return;
+
+ ctrl = E1000_READ_REG(hw, CTRL);
+ ctrl |= E1000_CTRL_GIO_MASTER_DISABLE;
+ E1000_WRITE_REG(hw, CTRL, ctrl);
+}
+
+/***************************************************************************
+ *
+ * Enables PCI-Express master access.
+ *
+ * hw: Struct containing variables accessed by shared code
+ *
+ * returns: - none.
+ *
+ ***************************************************************************/
+void
+e1000_enable_pciex_master(struct e1000_hw *hw)
+{
+ uint32_t ctrl;
+
+ DEBUGFUNC("e1000_enable_pciex_master");
+
+ if (hw->bus_type != e1000_bus_type_pci_express)
+ return;
+
+ ctrl = E1000_READ_REG(hw, CTRL);
+ ctrl &= ~E1000_CTRL_GIO_MASTER_DISABLE;
+ E1000_WRITE_REG(hw, CTRL, ctrl);
+}
+
+/*******************************************************************************
+ *
+ * Disables PCI-Express master access and verifies there are no pending requests
+ *
+ * hw: Struct containing variables accessed by shared code
+ *
+ * returns: - E1000_ERR_MASTER_REQUESTS_PENDING if master disable bit hasn't
+ * caused the master requests to be disabled.
+ * E1000_SUCCESS master requests disabled.
+ *
+ ******************************************************************************/
+int32_t
+e1000_disable_pciex_master(struct e1000_hw *hw)
+{
+ int32_t timeout = MASTER_DISABLE_TIMEOUT; /* 80ms */
+
+ DEBUGFUNC("e1000_disable_pciex_master");
+
+ if (hw->bus_type != e1000_bus_type_pci_express)
+ return E1000_SUCCESS;
+
+ e1000_set_pci_express_master_disable(hw);
+
+ while(timeout) {
+ if(!(E1000_READ_REG(hw, STATUS) & E1000_STATUS_GIO_MASTER_ENABLE))
+ break;
+ else
+ udelay(100);
+ timeout--;
+ }
+
+ if(!timeout) {
+ DEBUGOUT("Master requests are pending.\n");
+ return -E1000_ERR_MASTER_REQUESTS_PENDING;
+ }
+
+ return E1000_SUCCESS;
+}
+
+/*******************************************************************************
+ *
+ * Check for EEPROM Auto Read bit done.
+ *
+ * hw: Struct containing variables accessed by shared code
+ *
+ * returns: - E1000_ERR_RESET if fail to reset MAC
+ * E1000_SUCCESS at any other case.
+ *
+ ******************************************************************************/
+int32_t
+e1000_get_auto_rd_done(struct e1000_hw *hw)
+{
+ int32_t timeout = AUTO_READ_DONE_TIMEOUT;
+
+ DEBUGFUNC("e1000_get_auto_rd_done");
+
+ switch (hw->mac_type) {
+ default:
+ msec_delay(5);
+ break;
+ case e1000_82573:
+ while(timeout) {
+ if (E1000_READ_REG(hw, EECD) & E1000_EECD_AUTO_RD) break;
+ else msec_delay(1);
+ timeout--;
+ }
+
+ if(!timeout) {
+ DEBUGOUT("Auto read by HW from EEPROM has not completed.\n");
+ return -E1000_ERR_RESET;
+ }
+ break;
+ }
+
+ return E1000_SUCCESS;
+}
+
+/***************************************************************************
+ * Checks if the PHY configuration is done
+ *
+ * hw: Struct containing variables accessed by shared code
+ *
+ * returns: - E1000_ERR_RESET if fail to reset MAC
+ * E1000_SUCCESS at any other case.
+ *
+ ***************************************************************************/
+int32_t
+e1000_get_phy_cfg_done(struct e1000_hw *hw)
+{
+ DEBUGFUNC("e1000_get_phy_cfg_done");
+
+ /* Simply wait for 10ms */
+ msec_delay(10);
+
+ return E1000_SUCCESS;
+}
+
+/***************************************************************************
+ *
+ * Using the combination of SMBI and SWESMBI semaphore bits when resetting
+ * adapter or Eeprom access.
+ *
+ * hw: Struct containing variables accessed by shared code
+ *
+ * returns: - E1000_ERR_EEPROM if fail to access EEPROM.
+ * E1000_SUCCESS at any other case.
+ *
+ ***************************************************************************/
+int32_t
+e1000_get_hw_eeprom_semaphore(struct e1000_hw *hw)
+{
+ int32_t timeout;
+ uint32_t swsm;
+
+ DEBUGFUNC("e1000_get_hw_eeprom_semaphore");
+
+ if(!hw->eeprom_semaphore_present)
+ return E1000_SUCCESS;
+
+
+ /* Get the FW semaphore. */
+ timeout = hw->eeprom.word_size + 1;
+ while(timeout) {
+ swsm = E1000_READ_REG(hw, SWSM);
+ swsm |= E1000_SWSM_SWESMBI;
+ E1000_WRITE_REG(hw, SWSM, swsm);
+ /* if we managed to set the bit we got the semaphore. */
+ swsm = E1000_READ_REG(hw, SWSM);
+ if(swsm & E1000_SWSM_SWESMBI)
+ break;
+
+ udelay(50);
+ timeout--;
+ }
+
+ if(!timeout) {
+ /* Release semaphores */
+ e1000_put_hw_eeprom_semaphore(hw);
+ DEBUGOUT("Driver can't access the Eeprom - SWESMBI bit is set.\n");
+ return -E1000_ERR_EEPROM;
+ }
+
+ return E1000_SUCCESS;
+}
+
+/***************************************************************************
+ * This function clears HW semaphore bits.
+ *
+ * hw: Struct containing variables accessed by shared code
+ *
+ * returns: - None.
+ *
+ ***************************************************************************/
+void
+e1000_put_hw_eeprom_semaphore(struct e1000_hw *hw)
+{
+ uint32_t swsm;
+
+ DEBUGFUNC("e1000_put_hw_eeprom_semaphore");
+
+ if(!hw->eeprom_semaphore_present)
+ return;
+
+ swsm = E1000_READ_REG(hw, SWSM);
+ /* Release both semaphores. */
+ swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI);
+ E1000_WRITE_REG(hw, SWSM, swsm);
+}
+
+/******************************************************************************
+ * Checks if PHY reset is blocked due to SOL/IDER session, for example.
+ * Returning E1000_BLK_PHY_RESET isn't necessarily an error. But it's up to
+ * the caller to figure out how to deal with it.
+ *
+ * hw - Struct containing variables accessed by shared code
+ *
+ * returns: - E1000_BLK_PHY_RESET
+ * E1000_SUCCESS
+ *
+ *****************************************************************************/
+int32_t
+e1000_check_phy_reset_block(struct e1000_hw *hw)
+{
+ uint32_t manc = 0;
+ if(hw->mac_type > e1000_82547_rev_2)
+ manc = E1000_READ_REG(hw, MANC);
+ return (manc & E1000_MANC_BLK_PHY_RST_ON_IDE) ?
+ E1000_BLK_PHY_RESET : E1000_SUCCESS;
+}
+
+uint8_t
+e1000_arc_subsystem_valid(struct e1000_hw *hw)
+{
+ uint32_t fwsm;
+
+ /* On 8257x silicon, registers in the range of 0x8800 - 0x8FFC
+ * may not be provided a DMA clock when no manageability features are
+ * enabled. We do not want to perform any reads/writes to these registers
+ * if this is the case. We read FWSM to determine the manageability mode.
+ */
+ switch (hw->mac_type) {
+ case e1000_82573:
+ fwsm = E1000_READ_REG(hw, FWSM);
+ if((fwsm & E1000_FWSM_MODE_MASK) != 0)
+ return TRUE;
+ break;
+ default:
+ break;
+ }
+ return FALSE;
+}
+
+
+
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