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Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/82571.c')
-rw-r--r--drivers/net/ethernet/intel/e1000e/82571.c122
1 files changed, 60 insertions, 62 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c
index 2faffbde179..218481e509f 100644
--- a/drivers/net/ethernet/intel/e1000e/82571.c
+++ b/drivers/net/ethernet/intel/e1000e/82571.c
@@ -1,30 +1,23 @@
-/*******************************************************************************
-
- Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2013 Intel Corporation.
-
- This program is free software; you can redistribute it and/or modify it
- under the terms and conditions of the GNU General Public License,
- version 2, as published by the Free Software Foundation.
-
- This program is distributed in the hope it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- more details.
-
- You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
- The full GNU General Public License is included in this distribution in
- the file called "COPYING".
-
- Contact Information:
- Linux NICS <linux.nics@intel.com>
- e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
- Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
-
-*******************************************************************************/
+/* Intel PRO/1000 Linux driver
+ * Copyright(c) 1999 - 2014 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Contact Information:
+ * Linux NICS <linux.nics@intel.com>
+ * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ */
/* 82571EB Gigabit Ethernet Controller
* 82571EB Gigabit Ethernet Controller (Copper)
@@ -77,24 +70,24 @@ static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
return 0;
}
- phy->addr = 1;
- phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
- phy->reset_delay_us = 100;
+ phy->addr = 1;
+ phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
+ phy->reset_delay_us = 100;
- phy->ops.power_up = e1000_power_up_phy_copper;
- phy->ops.power_down = e1000_power_down_phy_copper_82571;
+ phy->ops.power_up = e1000_power_up_phy_copper;
+ phy->ops.power_down = e1000_power_down_phy_copper_82571;
switch (hw->mac.type) {
case e1000_82571:
case e1000_82572:
- phy->type = e1000_phy_igp_2;
+ phy->type = e1000_phy_igp_2;
break;
case e1000_82573:
- phy->type = e1000_phy_m88;
+ phy->type = e1000_phy_m88;
break;
case e1000_82574:
case e1000_82583:
- phy->type = e1000_phy_bm;
+ phy->type = e1000_phy_bm;
phy->ops.acquire = e1000_get_hw_semaphore_82574;
phy->ops.release = e1000_put_hw_semaphore_82574;
phy->ops.set_d0_lplu_state = e1000_set_d0_lplu_state_82574;
@@ -184,7 +177,7 @@ static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
default:
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.
*/
@@ -193,7 +186,7 @@ static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
/* EEPROM access above 16k is unsupported */
if (size > 14)
size = 14;
- nvm->word_size = 1 << size;
+ nvm->word_size = 1 << size;
break;
}
@@ -339,7 +332,7 @@ static s32 e1000_init_mac_params_82571(struct e1000_hw *hw)
static s32 e1000_get_variants_82571(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
- static int global_quad_port_a; /* global port a indication */
+ static int global_quad_port_a; /* global port a indication */
struct pci_dev *pdev = adapter->pdev;
int is_port_b = er32(STATUS) & E1000_STATUS_FUNC_1;
s32 rc;
@@ -437,7 +430,7 @@ static s32 e1000_get_phy_id_82571(struct e1000_hw *hw)
return ret_val;
phy->id = (u32)(phy_id << 16);
- udelay(20);
+ usleep_range(20, 40);
ret_val = e1e_rphy(hw, MII_PHYSID2, &phy_id);
if (ret_val)
return ret_val;
@@ -482,7 +475,7 @@ static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw)
if (!(swsm & E1000_SWSM_SMBI))
break;
- udelay(50);
+ usleep_range(50, 100);
i++;
}
@@ -499,7 +492,7 @@ static s32 e1000_get_hw_semaphore_82571(struct e1000_hw *hw)
if (er32(SWSM) & E1000_SWSM_SWESMBI)
break;
- udelay(50);
+ usleep_range(50, 100);
}
if (i == fw_timeout) {
@@ -526,6 +519,7 @@ static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw)
swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI);
ew32(SWSM, swsm);
}
+
/**
* e1000_get_hw_semaphore_82573 - Acquire hardware semaphore
* @hw: pointer to the HW structure
@@ -846,9 +840,9 @@ static s32 e1000_write_nvm_eewr_82571(struct e1000_hw *hw, u16 offset,
}
for (i = 0; i < words; i++) {
- eewr = (data[i] << E1000_NVM_RW_REG_DATA) |
- ((offset+i) << E1000_NVM_RW_ADDR_SHIFT) |
- E1000_NVM_RW_REG_START;
+ eewr = ((data[i] << E1000_NVM_RW_REG_DATA) |
+ ((offset + i) << E1000_NVM_RW_ADDR_SHIFT) |
+ E1000_NVM_RW_REG_START);
ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_WRITE);
if (ret_val)
@@ -875,8 +869,7 @@ static s32 e1000_get_cfg_done_82571(struct e1000_hw *hw)
s32 timeout = PHY_CFG_TIMEOUT;
while (timeout) {
- if (er32(EEMNGCTL) &
- E1000_NVM_CFG_DONE_PORT_0)
+ if (er32(EEMNGCTL) & E1000_NVM_CFG_DONE_PORT_0)
break;
usleep_range(1000, 2000);
timeout--;
@@ -1003,8 +996,6 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
default:
break;
}
- if (ret_val)
- e_dbg("Cannot acquire MDIO ownership\n");
ctrl = er32(CTRL);
@@ -1013,16 +1004,23 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
/* Must release MDIO ownership and mutex after MAC reset. */
switch (hw->mac.type) {
+ case e1000_82573:
+ /* Release mutex only if the hw semaphore is acquired */
+ if (!ret_val)
+ e1000_put_hw_semaphore_82573(hw);
+ break;
case e1000_82574:
case e1000_82583:
- e1000_put_hw_semaphore_82574(hw);
+ /* Release mutex only if the hw semaphore is acquired */
+ if (!ret_val)
+ e1000_put_hw_semaphore_82574(hw);
break;
default:
break;
}
if (hw->nvm.type == e1000_nvm_flash_hw) {
- udelay(10);
+ usleep_range(10, 20);
ctrl_ext = er32(CTRL_EXT);
ctrl_ext |= E1000_CTRL_EXT_EE_RST;
ew32(CTRL_EXT, ctrl_ext);
@@ -1095,9 +1093,9 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
/* Initialize identification LED */
ret_val = mac->ops.id_led_init(hw);
+ /* An error is not fatal and we should not stop init due to this */
if (ret_val)
e_dbg("Error initializing identification LED\n");
- /* This is not fatal and we should not stop init due to this */
/* Disabling VLAN filtering */
e_dbg("Initializing the IEEE VLAN\n");
@@ -1122,9 +1120,8 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
/* Set the transmit descriptor write-back policy */
reg_data = er32(TXDCTL(0));
- reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
- E1000_TXDCTL_FULL_TX_DESC_WB |
- E1000_TXDCTL_COUNT_DESC;
+ reg_data = ((reg_data & ~E1000_TXDCTL_WTHRESH) |
+ E1000_TXDCTL_FULL_TX_DESC_WB | E1000_TXDCTL_COUNT_DESC);
ew32(TXDCTL(0), reg_data);
/* ...for both queues. */
@@ -1140,9 +1137,9 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
break;
default:
reg_data = er32(TXDCTL(1));
- reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
- E1000_TXDCTL_FULL_TX_DESC_WB |
- E1000_TXDCTL_COUNT_DESC;
+ reg_data = ((reg_data & ~E1000_TXDCTL_WTHRESH) |
+ E1000_TXDCTL_FULL_TX_DESC_WB |
+ E1000_TXDCTL_COUNT_DESC);
ew32(TXDCTL(1), reg_data);
break;
}
@@ -1179,7 +1176,7 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
/* Transmit Arbitration Control 0 */
reg = er32(TARC(0));
- reg &= ~(0xF << 27); /* 30:27 */
+ reg &= ~(0xF << 27); /* 30:27 */
switch (hw->mac.type) {
case e1000_82571:
case e1000_82572:
@@ -1391,7 +1388,7 @@ bool e1000_check_phy_82574(struct e1000_hw *hw)
ret_val = e1e_rphy(hw, E1000_RECEIVE_ERROR_COUNTER, &receive_errors);
if (ret_val)
return false;
- if (receive_errors == E1000_RECEIVE_ERROR_MAX) {
+ if (receive_errors == E1000_RECEIVE_ERROR_MAX) {
ret_val = e1e_rphy(hw, E1000_BASE1000T_STATUS, &status_1kbt);
if (ret_val)
return false;
@@ -1530,7 +1527,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
status = er32(STATUS);
er32(RXCW);
/* SYNCH bit and IV bit are sticky */
- udelay(10);
+ usleep_range(10, 20);
rxcw = er32(RXCW);
if ((rxcw & E1000_RXCW_SYNCH) && !(rxcw & E1000_RXCW_IV)) {
@@ -1633,7 +1630,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
* the IV bit and restart Autoneg
*/
for (i = 0; i < AN_RETRY_COUNT; i++) {
- udelay(10);
+ usleep_range(10, 20);
rxcw = er32(RXCW);
if ((rxcw & E1000_RXCW_SYNCH) &&
(rxcw & E1000_RXCW_C))
@@ -1899,6 +1896,7 @@ static const struct e1000_mac_operations e82571_mac_ops = {
.config_collision_dist = e1000e_config_collision_dist_generic,
.read_mac_addr = e1000_read_mac_addr_82571,
.rar_set = e1000e_rar_set_generic,
+ .rar_get_count = e1000e_rar_get_count_generic,
};
static const struct e1000_phy_operations e82_phy_ops_igp = {
@@ -2058,6 +2056,7 @@ const struct e1000_info e1000_82583_info = {
| FLAG_HAS_JUMBO_FRAMES
| FLAG_HAS_CTRLEXT_ON_LOAD,
.flags2 = FLAG2_DISABLE_ASPM_L0S
+ | FLAG2_DISABLE_ASPM_L1
| FLAG2_NO_DISABLE_RX,
.pba = 32,
.max_hw_frame_size = DEFAULT_JUMBO,
@@ -2066,4 +2065,3 @@ const struct e1000_info e1000_82583_info = {
.phy_ops = &e82_phy_ops_bm,
.nvm_ops = &e82571_nvm_ops,
};
-
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 07:00:22 +0000