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authorIngo Molnar <mingo@elte.hu>2009-08-24 12:25:44 +0200
committerIngo Molnar <mingo@elte.hu>2009-08-24 12:25:54 +0200
commit5f9ece02401116b29eb04396b99ea092acb75dd8 (patch)
treee10386e2dc63c275646b4eb0bed857da7bf86c6a /drivers/net/e1000e
parent9f51e24ee8b5a1595b6a5ac0c2be278a16488e75 (diff)
parent422bef879e84104fee6dc68ded0e371dbeb5f88e (diff)
Merge commit 'v2.6.31-rc7' into x86/cleanups
Merge reason: we were on -rc1 before - go up to -rc7 Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/net/e1000e')
-rw-r--r--drivers/net/e1000e/defines.h3
-rw-r--r--drivers/net/e1000e/hw.h4
-rw-r--r--drivers/net/e1000e/ich8lan.c334
-rw-r--r--drivers/net/e1000e/lib.c6
-rw-r--r--drivers/net/e1000e/netdev.c22
-rw-r--r--drivers/net/e1000e/phy.c12
6 files changed, 276 insertions, 105 deletions
diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h
index 8890c97e112..c0f185beb8b 100644
--- a/drivers/net/e1000e/defines.h
+++ b/drivers/net/e1000e/defines.h
@@ -238,6 +238,7 @@
#define E1000_STATUS_SPEED_100 0x00000040 /* Speed 100Mb/s */
#define E1000_STATUS_SPEED_1000 0x00000080 /* Speed 1000Mb/s */
#define E1000_STATUS_LAN_INIT_DONE 0x00000200 /* Lan Init Completion by NVM */
+#define E1000_STATUS_PHYRA 0x00000400 /* PHY Reset Asserted */
#define E1000_STATUS_GIO_MASTER_ENABLE 0x00080000 /* Status of Master requests. */
/* Constants used to interpret the masked PCI-X bus speed. */
@@ -575,6 +576,8 @@
#define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */
#define PHY_EXT_STATUS 0x0F /* Extended Status Reg */
+#define PHY_CONTROL_LB 0x4000 /* PHY Loopback bit */
+
/* NVM Control */
#define E1000_EECD_SK 0x00000001 /* NVM Clock */
#define E1000_EECD_CS 0x00000002 /* NVM Chip Select */
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 163c1c0cfee..fd44d9f9076 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -215,6 +215,7 @@ enum e1e_registers {
E1000_SWSM = 0x05B50, /* SW Semaphore */
E1000_FWSM = 0x05B54, /* FW Semaphore */
E1000_SWSM2 = 0x05B58, /* Driver-only SW semaphore */
+ E1000_CRC_OFFSET = 0x05F50, /* CRC Offset register */
E1000_HICR = 0x08F00, /* Host Interface Control */
};
@@ -302,6 +303,9 @@ enum e1e_registers {
#define E1000_KMRNCTRLSTA_REN 0x00200000
#define E1000_KMRNCTRLSTA_DIAG_OFFSET 0x3 /* Kumeran Diagnostic */
#define E1000_KMRNCTRLSTA_DIAG_NELPBK 0x1000 /* Nearend Loopback mode */
+#define E1000_KMRNCTRLSTA_K1_CONFIG 0x7
+#define E1000_KMRNCTRLSTA_K1_ENABLE 0x140E
+#define E1000_KMRNCTRLSTA_K1_DISABLE 0x1400
#define IFE_PHY_EXTENDED_STATUS_CONTROL 0x10
#define IFE_PHY_SPECIAL_CONTROL 0x11 /* 100BaseTx PHY Special Control */
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 9e23f50fb9c..99df2abf82a 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -338,9 +338,7 @@ static s32 e1000_init_nvm_params_ich8lan(struct e1000_hw *hw)
{
struct e1000_nvm_info *nvm = &hw->nvm;
struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
- u32 gfpreg;
- u32 sector_base_addr;
- u32 sector_end_addr;
+ u32 gfpreg, sector_base_addr, sector_end_addr;
u16 i;
/* Can't read flash registers if the register set isn't mapped. */
@@ -446,6 +444,95 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter)
return 0;
}
+/**
+ * e1000_check_for_copper_link_ich8lan - Check for link (Copper)
+ * @hw: pointer to the HW structure
+ *
+ * Checks to see of the link status of the hardware has changed. If a
+ * change in link status has been detected, then we read the PHY registers
+ * to get the current speed/duplex if link exists.
+ **/
+static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
+{
+ struct e1000_mac_info *mac = &hw->mac;
+ s32 ret_val;
+ bool link;
+
+ /*
+ * We only want to go out to the PHY registers to see if Auto-Neg
+ * has completed and/or if our link status has changed. The
+ * get_link_status flag is set upon receiving a Link Status
+ * Change or Rx Sequence Error interrupt.
+ */
+ if (!mac->get_link_status) {
+ ret_val = 0;
+ goto out;
+ }
+
+ if (hw->mac.type == e1000_pchlan) {
+ ret_val = e1000e_write_kmrn_reg(hw,
+ E1000_KMRNCTRLSTA_K1_CONFIG,
+ E1000_KMRNCTRLSTA_K1_ENABLE);
+ if (ret_val)
+ goto out;
+ }
+
+ /*
+ * First we want to see if the MII Status Register reports
+ * link. If so, then we want to get the current speed/duplex
+ * of the PHY.
+ */
+ ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
+ if (ret_val)
+ goto out;
+
+ if (!link)
+ goto out; /* No link detected */
+
+ mac->get_link_status = false;
+
+ if (hw->phy.type == e1000_phy_82578) {
+ ret_val = e1000_link_stall_workaround_hv(hw);
+ if (ret_val)
+ goto out;
+ }
+
+ /*
+ * Check if there was DownShift, must be checked
+ * immediately after link-up
+ */
+ e1000e_check_downshift(hw);
+
+ /*
+ * If we are forcing speed/duplex, then we simply return since
+ * we have already determined whether we have link or not.
+ */
+ if (!mac->autoneg) {
+ ret_val = -E1000_ERR_CONFIG;
+ goto out;
+ }
+
+ /*
+ * Auto-Neg is enabled. Auto Speed Detection takes care
+ * of MAC speed/duplex configuration. So we only need to
+ * configure Collision Distance in the MAC.
+ */
+ e1000e_config_collision_dist(hw);
+
+ /*
+ * Configure Flow Control now that Auto-Neg has completed.
+ * First, we need to restore the desired flow control
+ * settings because we may have had to re-autoneg with a
+ * different link partner.
+ */
+ ret_val = e1000e_config_fc_after_link_up(hw);
+ if (ret_val)
+ hw_dbg(hw, "Error configuring flow control\n");
+
+out:
+ return ret_val;
+}
+
static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
@@ -490,8 +577,8 @@ static DEFINE_MUTEX(nvm_mutex);
**/
static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
{
- u32 extcnf_ctrl;
- u32 timeout = PHY_CFG_TIMEOUT;
+ u32 extcnf_ctrl, timeout = PHY_CFG_TIMEOUT;
+ s32 ret_val = 0;
might_sleep();
@@ -499,28 +586,46 @@ static s32 e1000_acquire_swflag_ich8lan(struct e1000_hw *hw)
while (timeout) {
extcnf_ctrl = er32(EXTCNF_CTRL);
+ if (!(extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG))
+ break;
- if (!(extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)) {
- extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG;
- ew32(EXTCNF_CTRL, extcnf_ctrl);
+ mdelay(1);
+ timeout--;
+ }
+
+ if (!timeout) {
+ hw_dbg(hw, "SW/FW/HW has locked the resource for too long.\n");
+ ret_val = -E1000_ERR_CONFIG;
+ goto out;
+ }
+
+ timeout = PHY_CFG_TIMEOUT * 2;
+
+ extcnf_ctrl |= E1000_EXTCNF_CTRL_SWFLAG;
+ ew32(EXTCNF_CTRL, extcnf_ctrl);
+
+ while (timeout) {
+ extcnf_ctrl = er32(EXTCNF_CTRL);
+ if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)
+ break;
- extcnf_ctrl = er32(EXTCNF_CTRL);
- if (extcnf_ctrl & E1000_EXTCNF_CTRL_SWFLAG)
- break;
- }
mdelay(1);
timeout--;
}
if (!timeout) {
- hw_dbg(hw, "FW or HW has locked the resource for too long.\n");
+ hw_dbg(hw, "Failed to acquire the semaphore.\n");
extcnf_ctrl &= ~E1000_EXTCNF_CTRL_SWFLAG;
ew32(EXTCNF_CTRL, extcnf_ctrl);
- mutex_unlock(&nvm_mutex);
- return -E1000_ERR_CONFIG;
+ ret_val = -E1000_ERR_CONFIG;
+ goto out;
}
- return 0;
+out:
+ if (ret_val)
+ mutex_unlock(&nvm_mutex);
+
+ return ret_val;
}
/**
@@ -694,6 +799,38 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
}
/**
+ * e1000_lan_init_done_ich8lan - Check for PHY config completion
+ * @hw: pointer to the HW structure
+ *
+ * Check the appropriate indication the MAC has finished configuring the
+ * PHY after a software reset.
+ **/
+static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw)
+{
+ u32 data, loop = E1000_ICH8_LAN_INIT_TIMEOUT;
+
+ /* Wait for basic configuration completes before proceeding */
+ do {
+ data = er32(STATUS);
+ data &= E1000_STATUS_LAN_INIT_DONE;
+ udelay(100);
+ } while ((!data) && --loop);
+
+ /*
+ * If basic configuration is incomplete before the above loop
+ * count reaches 0, loading the configuration from NVM will
+ * leave the PHY in a bad state possibly resulting in no link.
+ */
+ if (loop == 0)
+ hw_dbg(hw, "LAN_INIT_DONE not set, increase timeout\n");
+
+ /* Clear the Init Done bit for the next init event */
+ data = er32(STATUS);
+ data &= ~E1000_STATUS_LAN_INIT_DONE;
+ ew32(STATUS, data);
+}
+
+/**
* e1000_phy_hw_reset_ich8lan - Performs a PHY reset
* @hw: pointer to the HW structure
*
@@ -707,13 +844,15 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
u32 i;
u32 data, cnf_size, cnf_base_addr, sw_cfg_mask;
s32 ret_val;
- u16 loop = E1000_ICH8_LAN_INIT_TIMEOUT;
u16 word_addr, reg_data, reg_addr, phy_page = 0;
ret_val = e1000e_phy_hw_reset_generic(hw);
if (ret_val)
return ret_val;
+ /* Allow time for h/w to get to a quiescent state after reset */
+ mdelay(10);
+
if (hw->mac.type == e1000_pchlan) {
ret_val = e1000_hv_phy_workarounds_ich8lan(hw);
if (ret_val)
@@ -741,26 +880,8 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
if (!(data & sw_cfg_mask))
return 0;
- /* Wait for basic configuration completes before proceeding*/
- do {
- data = er32(STATUS);
- data &= E1000_STATUS_LAN_INIT_DONE;
- udelay(100);
- } while ((!data) && --loop);
-
- /*
- * If basic configuration is incomplete before the above loop
- * count reaches 0, loading the configuration from NVM will
- * leave the PHY in a bad state possibly resulting in no link.
- */
- if (loop == 0) {
- hw_dbg(hw, "LAN_INIT_DONE not set, increase timeout\n");
- }
-
- /* Clear the Init Done bit for the next init event */
- data = er32(STATUS);
- data &= ~E1000_STATUS_LAN_INIT_DONE;
- ew32(STATUS, data);
+ /* Wait for basic configuration completes before proceeding */
+ e1000_lan_init_done_ich8lan(hw);
/*
* Make sure HW does not configure LCD from PHY
@@ -961,12 +1082,14 @@ static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU;
ew32(PHY_CTRL, phy_ctrl);
+ if (phy->type != e1000_phy_igp_3)
+ return 0;
+
/*
* Call gig speed drop workaround on LPLU before accessing
* any PHY registers
*/
- if ((hw->mac.type == e1000_ich8lan) &&
- (hw->phy.type == e1000_phy_igp_3))
+ if (hw->mac.type == e1000_ich8lan)
e1000e_gig_downshift_workaround_ich8lan(hw);
/* When LPLU is enabled, we should disable SmartSpeed */
@@ -979,6 +1102,9 @@ static s32 e1000_set_d0_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
phy_ctrl &= ~E1000_PHY_CTRL_D0A_LPLU;
ew32(PHY_CTRL, phy_ctrl);
+ if (phy->type != e1000_phy_igp_3)
+ return 0;
+
/*
* LPLU and SmartSpeed are mutually exclusive. LPLU is used
* during Dx states where the power conservation is most
@@ -1038,6 +1164,10 @@ static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
if (!active) {
phy_ctrl &= ~E1000_PHY_CTRL_NOND0A_LPLU;
ew32(PHY_CTRL, phy_ctrl);
+
+ if (phy->type != e1000_phy_igp_3)
+ return 0;
+
/*
* LPLU and SmartSpeed are mutually exclusive. LPLU is used
* during Dx states where the power conservation is most
@@ -1073,12 +1203,14 @@ static s32 e1000_set_d3_lplu_state_ich8lan(struct e1000_hw *hw, bool active)
phy_ctrl |= E1000_PHY_CTRL_NOND0A_LPLU;
ew32(PHY_CTRL, phy_ctrl);
+ if (phy->type != e1000_phy_igp_3)
+ return 0;
+
/*
* Call gig speed drop workaround on LPLU before accessing
* any PHY registers
*/
- if ((hw->mac.type == e1000_ich8lan) &&
- (hw->phy.type == e1000_phy_igp_3))
+ if (hw->mac.type == e1000_ich8lan)
e1000e_gig_downshift_workaround_ich8lan(hw);
/* When LPLU is enabled, we should disable SmartSpeed */
@@ -1175,7 +1307,7 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
struct e1000_nvm_info *nvm = &hw->nvm;
struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
u32 act_offset;
- s32 ret_val;
+ s32 ret_val = 0;
u32 bank = 0;
u16 i, word;
@@ -1190,12 +1322,15 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
goto out;
ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
- if (ret_val)
- goto release;
+ if (ret_val) {
+ hw_dbg(hw, "Could not detect valid bank, assuming bank 0\n");
+ bank = 0;
+ }
act_offset = (bank) ? nvm->flash_bank_size : 0;
act_offset += offset;
+ ret_val = 0;
for (i = 0; i < words; i++) {
if ((dev_spec->shadow_ram) &&
(dev_spec->shadow_ram[offset+i].modified)) {
@@ -1210,7 +1345,6 @@ static s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
}
}
-release:
e1000_release_swflag_ich8lan(hw);
out:
@@ -1461,7 +1595,6 @@ static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
{
struct e1000_nvm_info *nvm = &hw->nvm;
struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
- s32 ret_val;
u16 i;
if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) ||
@@ -1470,17 +1603,11 @@ static s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset, u16 words,
return -E1000_ERR_NVM;
}
- ret_val = e1000_acquire_swflag_ich8lan(hw);
- if (ret_val)
- return ret_val;
-
for (i = 0; i < words; i++) {
dev_spec->shadow_ram[offset+i].modified = 1;
dev_spec->shadow_ram[offset+i].value = data[i];
}
- e1000_release_swflag_ich8lan(hw);
-
return 0;
}
@@ -1521,8 +1648,8 @@ static s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw)
*/
ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
if (ret_val) {
- e1000_release_swflag_ich8lan(hw);
- goto out;
+ hw_dbg(hw, "Could not detect valid bank, assuming bank 0\n");
+ bank = 0;
}
if (bank == 0) {
@@ -1905,19 +2032,15 @@ static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank)
break;
case 1:
sector_size = ICH_FLASH_SEG_SIZE_4K;
- iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_4K;
+ iteration = 1;
break;
case 2:
- if (hw->mac.type == e1000_ich9lan) {
- sector_size = ICH_FLASH_SEG_SIZE_8K;
- iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_8K;
- } else {
- return -E1000_ERR_NVM;
- }
+ sector_size = ICH_FLASH_SEG_SIZE_8K;
+ iteration = 1;
break;
case 3:
sector_size = ICH_FLASH_SEG_SIZE_64K;
- iteration = flash_bank_size / ICH_FLASH_SEG_SIZE_64K;
+ iteration = 1;
break;
default:
return -E1000_ERR_NVM;
@@ -1925,7 +2048,7 @@ static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank)
/* Start with the base address, then add the sector offset. */
flash_linear_addr = hw->nvm.flash_base_addr;
- flash_linear_addr += (bank) ? (sector_size * iteration) : 0;
+ flash_linear_addr += (bank) ? flash_bank_size : 0;
for (j = 0; j < iteration ; j++) {
do {
@@ -2143,6 +2266,12 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
ctrl = er32(CTRL);
if (!e1000_check_reset_block(hw)) {
+ /* Clear PHY Reset Asserted bit */
+ if (hw->mac.type >= e1000_pchlan) {
+ u32 status = er32(STATUS);
+ ew32(STATUS, status & ~E1000_STATUS_PHYRA);
+ }
+
/*
* PHY HW reset requires MAC CORE reset at the same
* time to make sure the interface between MAC and the
@@ -2156,23 +2285,34 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
ew32(CTRL, (ctrl | E1000_CTRL_RST));
msleep(20);
- if (!ret_val) {
- /* release the swflag because it is not reset by
- * hardware reset
- */
+ if (!ret_val)
e1000_release_swflag_ich8lan(hw);
- }
- ret_val = e1000e_get_auto_rd_done(hw);
- if (ret_val) {
- /*
- * When auto config read does not complete, do not
- * return with an error. This can happen in situations
- * where there is no eeprom and prevents getting link.
- */
- hw_dbg(hw, "Auto Read Done did not complete\n");
+ if (ctrl & E1000_CTRL_PHY_RST)
+ ret_val = hw->phy.ops.get_cfg_done(hw);
+
+ if (hw->mac.type >= e1000_ich10lan) {
+ e1000_lan_init_done_ich8lan(hw);
+ } else {
+ ret_val = e1000e_get_auto_rd_done(hw);
+ if (ret_val) {
+ /*
+ * When auto config read does not complete, do not
+ * return with an error. This can happen in situations
+ * where there is no eeprom and prevents getting link.
+ */
+ hw_dbg(hw, "Auto Read Done did not complete\n");
+ }
}
+ /*
+ * For PCH, this write will make sure that any noise
+ * will be detected as a CRC error and be dropped rather than show up
+ * as a bad packet to the DMA engine.
+ */
+ if (hw->mac.type == e1000_pchlan)
+ ew32(CRC_OFFSET, 0x65656565);
+
ew32(IMC, 0xffffffff);
icr = er32(ICR);
@@ -2222,6 +2362,18 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
for (i = 0; i < mac->mta_reg_count; i++)
E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, 0);
+ /*
+ * The 82578 Rx buffer will stall if wakeup is enabled in host and
+ * the ME. Reading the BM_WUC register will clear the host wakeup bit.
+ * Reset the phy after disabling host wakeup to reset the Rx buffer.
+ */
+ if (hw->phy.type == e1000_phy_82578) {
+ hw->phy.ops.read_phy_reg(hw, BM_WUC, &i);
+ ret_val = e1000_phy_hw_reset_ich8lan(hw);
+ if (ret_val)
+ return ret_val;
+ }
+
/* Setup link and flow control */
ret_val = e1000_setup_link_ich8lan(hw);
@@ -2254,16 +2406,6 @@ static s32 e1000_init_hw_ich8lan(struct e1000_hw *hw)
ew32(CTRL_EXT, ctrl_ext);
/*
- * The 82578 Rx buffer will stall if wakeup is enabled in host and
- * the ME. Reading the BM_WUC register will clear the host wakeup bit.
- * Reset the phy after disabling host wakeup to reset the Rx buffer.
- */
- if (hw->phy.type == e1000_phy_82578) {
- e1e_rphy(hw, BM_WUC, &i);
- e1000e_phy_hw_reset_generic(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
@@ -2485,6 +2627,14 @@ static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed,
if (ret_val)
return ret_val;
+ if ((hw->mac.type == e1000_pchlan) && (*speed == SPEED_1000)) {
+ ret_val = e1000e_write_kmrn_reg(hw,
+ E1000_KMRNCTRLSTA_K1_CONFIG,
+ E1000_KMRNCTRLSTA_K1_DISABLE);
+ if (ret_val)
+ return ret_val;
+ }
+
if ((hw->mac.type == e1000_ich8lan) &&
(hw->phy.type == e1000_phy_igp_3) &&
(*speed == SPEED_1000)) {
@@ -2850,6 +3000,16 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
{
u32 bank = 0;
+ if (hw->mac.type >= e1000_pchlan) {
+ u32 status = er32(STATUS);
+
+ if (status & E1000_STATUS_PHYRA)
+ ew32(STATUS, status & ~E1000_STATUS_PHYRA);
+ else
+ hw_dbg(hw,
+ "PHY Reset Asserted not set - needs delay\n");
+ }
+
e1000e_get_cfg_done(hw);
/* If EEPROM is not marked present, init the IGP 3 PHY manually */
@@ -2921,7 +3081,7 @@ static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw)
static struct e1000_mac_operations ich8_mac_ops = {
.id_led_init = e1000e_id_led_init,
.check_mng_mode = e1000_check_mng_mode_ich8lan,
- .check_for_link = e1000e_check_for_copper_link,
+ .check_for_link = e1000_check_for_copper_link_ich8lan,
/* cleanup_led dependent on mac type */
.clear_hw_cntrs = e1000_clear_hw_cntrs_ich8lan,
.get_bus_info = e1000_get_bus_info_ich8lan,
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index be6d9e99037..99ba2b8a2a0 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -378,12 +378,6 @@ s32 e1000e_check_for_copper_link(struct e1000_hw *hw)
mac->get_link_status = 0;
- if (hw->phy.type == e1000_phy_82578) {
- ret_val = e1000_link_stall_workaround_hv(hw);
- if (ret_val)
- return ret_val;
- }
-
/*
* Check if there was DownShift, must be checked
* immediately after link-up
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 63415bb6f48..fa92a683aef 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4538,8 +4538,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
/* Allow time for pending master requests to run */
e1000e_disable_pcie_master(&adapter->hw);
- if ((adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) &&
- !(hw->mac.ops.check_mng_mode(hw))) {
+ if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
/* enable wakeup by the PHY */
retval = e1000_init_phy_wakeup(adapter, wufc);
if (retval)
@@ -4557,7 +4556,8 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
*enable_wake = !!wufc;
/* make sure adapter isn't asleep if manageability is enabled */
- if (adapter->flags & FLAG_MNG_PT_ENABLED)
+ if ((adapter->flags & FLAG_MNG_PT_ENABLED) ||
+ (hw->mac.ops.check_mng_mode(hw)))
*enable_wake = true;
if (adapter->hw.phy.type == e1000_phy_igp_3)
@@ -4670,14 +4670,6 @@ static int e1000_resume(struct pci_dev *pdev)
return err;
}
- /* AER (Advanced Error Reporting) hooks */
- err = pci_enable_pcie_error_reporting(pdev);
- if (err) {
- dev_err(&pdev->dev, "pci_enable_pcie_error_reporting failed "
- "0x%x\n", err);
- /* non-fatal, continue */
- }
-
pci_set_master(pdev);
pci_enable_wake(pdev, PCI_D3hot, 0);
@@ -4990,6 +4982,14 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
if (err)
goto err_pci_reg;
+ /* AER (Advanced Error Reporting) hooks */
+ err = pci_enable_pcie_error_reporting(pdev);
+ if (err) {
+ dev_err(&pdev->dev, "pci_enable_pcie_error_reporting failed "
+ "0x%x\n", err);
+ /* non-fatal, continue */
+ }
+
pci_set_master(pdev);
/* PCI config space info */
err = pci_save_state(pdev);
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index e23459cf3d0..994401fd066 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -1531,7 +1531,12 @@ s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
*/
ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
if (ret_val)
- break;
+ /*
+ * If the first read fails, another entity may have
+ * ownership of the resources, wait and try again to
+ * see if they have relinquished the resources yet.
+ */
+ udelay(usec_interval);
ret_val = e1e_rphy(hw, PHY_STATUS, &phy_status);
if (ret_val)
break;
@@ -2737,6 +2742,11 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw)
if (hw->phy.type != e1000_phy_82578)
goto out;
+ /* Do not apply workaround if in PHY loopback bit 14 set */
+ hw->phy.ops.read_phy_reg(hw, PHY_CONTROL, &data);
+ if (data & PHY_CONTROL_LB)
+ goto out;
+
/* check if link is up and at 1Gbps */
ret_val = hw->phy.ops.read_phy_reg(hw, BM_CS_STATUS, &data);
if (ret_val)