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path: root/drivers/net/e1000e
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Diffstat (limited to 'drivers/net/e1000e')
-rw-r--r--drivers/net/e1000e/defines.h2
-rw-r--r--drivers/net/e1000e/es2lan.c97
-rw-r--r--drivers/net/e1000e/hw.h7
-rw-r--r--drivers/net/e1000e/ich8lan.c8
-rw-r--r--drivers/net/e1000e/netdev.c2
5 files changed, 78 insertions, 38 deletions
diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h
index 86d2809763c3..e02e38221ed4 100644
--- a/drivers/net/e1000e/defines.h
+++ b/drivers/net/e1000e/defines.h
@@ -74,7 +74,7 @@
#define E1000_WUS_BC E1000_WUFC_BC
/* Extended Device Control */
-#define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Definable Pin 7 */
+#define E1000_CTRL_EXT_SDP3_DATA 0x00000080 /* Value of SW Definable Pin 3 */
#define E1000_CTRL_EXT_EE_RST 0x00002000 /* Reinitialize from EEPROM */
#define E1000_CTRL_EXT_SPD_BYPS 0x00008000 /* Speed Select Bypass */
#define E1000_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index d2a104794609..3028f23da891 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -46,6 +46,9 @@
#define E1000_KMRNCTRLSTA_HD_CTRL_1000_DEFAULT 0x0000
#define E1000_KMRNCTRLSTA_OPMODE_E_IDLE 0x2000
+#define E1000_KMRNCTRLSTA_OPMODE_MASK 0x000C
+#define E1000_KMRNCTRLSTA_OPMODE_INBAND_MDIO 0x0004
+
#define E1000_TCTL_EXT_GCEX_MASK 0x000FFC00 /* Gigabit Carry Extend Padding */
#define DEFAULT_TCTL_EXT_GCEX_80003ES2LAN 0x00010000
@@ -462,28 +465,36 @@ static s32 e1000_read_phy_reg_gg82563_80003es2lan(struct e1000_hw *hw,
return ret_val;
}
- /*
- * The "ready" bit in the MDIC register may be incorrectly set
- * before the device has completed the "Page Select" MDI
- * transaction. So we wait 200us after each MDI command...
- */
- udelay(200);
+ if (hw->dev_spec.e80003es2lan.mdic_wa_enable == true) {
+ /*
+ * The "ready" bit in the MDIC register may be incorrectly set
+ * before the device has completed the "Page Select" MDI
+ * transaction. So we wait 200us after each MDI command...
+ */
+ udelay(200);
- /* ...and verify the command was successful. */
- ret_val = e1000e_read_phy_reg_mdic(hw, page_select, &temp);
+ /* ...and verify the command was successful. */
+ ret_val = e1000e_read_phy_reg_mdic(hw, page_select, &temp);
- if (((u16)offset >> GG82563_PAGE_SHIFT) != temp) {
- ret_val = -E1000_ERR_PHY;
- e1000_release_phy_80003es2lan(hw);
- return ret_val;
- }
+ if (((u16)offset >> GG82563_PAGE_SHIFT) != temp) {
+ ret_val = -E1000_ERR_PHY;
+ e1000_release_phy_80003es2lan(hw);
+ return ret_val;
+ }
- udelay(200);
+ udelay(200);
- ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
- data);
+ ret_val = e1000e_read_phy_reg_mdic(hw,
+ MAX_PHY_REG_ADDRESS & offset,
+ data);
+
+ udelay(200);
+ } else {
+ ret_val = e1000e_read_phy_reg_mdic(hw,
+ MAX_PHY_REG_ADDRESS & offset,
+ data);
+ }
- udelay(200);
e1000_release_phy_80003es2lan(hw);
return ret_val;
@@ -526,28 +537,35 @@ static s32 e1000_write_phy_reg_gg82563_80003es2lan(struct e1000_hw *hw,
return ret_val;
}
+ if (hw->dev_spec.e80003es2lan.mdic_wa_enable == true) {
+ /*
+ * The "ready" bit in the MDIC register may be incorrectly set
+ * before the device has completed the "Page Select" MDI
+ * transaction. So we wait 200us after each MDI command...
+ */
+ udelay(200);
- /*
- * The "ready" bit in the MDIC register may be incorrectly set
- * before the device has completed the "Page Select" MDI
- * transaction. So we wait 200us after each MDI command...
- */
- udelay(200);
+ /* ...and verify the command was successful. */
+ ret_val = e1000e_read_phy_reg_mdic(hw, page_select, &temp);
- /* ...and verify the command was successful. */
- ret_val = e1000e_read_phy_reg_mdic(hw, page_select, &temp);
+ if (((u16)offset >> GG82563_PAGE_SHIFT) != temp) {
+ e1000_release_phy_80003es2lan(hw);
+ return -E1000_ERR_PHY;
+ }
- if (((u16)offset >> GG82563_PAGE_SHIFT) != temp) {
- e1000_release_phy_80003es2lan(hw);
- return -E1000_ERR_PHY;
- }
+ udelay(200);
- udelay(200);
+ ret_val = e1000e_write_phy_reg_mdic(hw,
+ MAX_PHY_REG_ADDRESS & offset,
+ data);
- ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
- data);
+ udelay(200);
+ } else {
+ ret_val = e1000e_write_phy_reg_mdic(hw,
+ MAX_PHY_REG_ADDRESS & offset,
+ data);
+ }
- udelay(200);
e1000_release_phy_80003es2lan(hw);
return ret_val;
@@ -866,6 +884,19 @@ static s32 e1000_init_hw_80003es2lan(struct e1000_hw *hw)
reg_data &= ~0x00100000;
E1000_WRITE_REG_ARRAY(hw, E1000_FFLT, 0x0001, reg_data);
+ /* default to true to enable the MDIC W/A */
+ hw->dev_spec.e80003es2lan.mdic_wa_enable = true;
+
+ ret_val = e1000_read_kmrn_reg_80003es2lan(hw,
+ E1000_KMRNCTRLSTA_OFFSET >>
+ E1000_KMRNCTRLSTA_OFFSET_SHIFT,
+ &i);
+ if (!ret_val) {
+ if ((i & E1000_KMRNCTRLSTA_OPMODE_MASK) ==
+ E1000_KMRNCTRLSTA_OPMODE_INBAND_MDIO)
+ hw->dev_spec.e80003es2lan.mdic_wa_enable = false;
+ }
+
/*
* Clear all of the statistics registers (clear on read). It is
* important that we do this after we have tried to establish link
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index a7d08dae79c4..2784cf44a6f3 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -302,6 +302,8 @@ enum e1e_registers {
#define E1000_KMRNCTRLSTA_OFFSET_SHIFT 16
#define E1000_KMRNCTRLSTA_REN 0x00200000
#define E1000_KMRNCTRLSTA_DIAG_OFFSET 0x3 /* Kumeran Diagnostic */
+#define E1000_KMRNCTRLSTA_TIMEOUTS 0x4 /* Kumeran Timeouts */
+#define E1000_KMRNCTRLSTA_INBAND_PARAM 0x9 /* Kumeran InBand Parameters */
#define E1000_KMRNCTRLSTA_DIAG_NELPBK 0x1000 /* Nearend Loopback mode */
#define E1000_KMRNCTRLSTA_K1_CONFIG 0x7
#define E1000_KMRNCTRLSTA_K1_ENABLE 0x140E
@@ -898,6 +900,10 @@ struct e1000_dev_spec_82571 {
u32 smb_counter;
};
+struct e1000_dev_spec_80003es2lan {
+ bool mdic_wa_enable;
+};
+
struct e1000_shadow_ram {
u16 value;
bool modified;
@@ -926,6 +932,7 @@ struct e1000_hw {
union {
struct e1000_dev_spec_82571 e82571;
+ struct e1000_dev_spec_80003es2lan e80003es2lan;
struct e1000_dev_spec_ich8lan ich8lan;
} dev_spec;
};
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 7b33be98a2ca..9b09246af064 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -2755,14 +2755,16 @@ static s32 e1000_setup_copper_link_ich8lan(struct e1000_hw *hw)
* and increase the max iterations when polling the phy;
* this fixes erroneous timeouts at 10Mbps.
*/
- ret_val = e1000e_write_kmrn_reg(hw, GG82563_REG(0x34, 4), 0xFFFF);
+ ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_TIMEOUTS, 0xFFFF);
if (ret_val)
return ret_val;
- ret_val = e1000e_read_kmrn_reg(hw, GG82563_REG(0x34, 9), &reg_data);
+ ret_val = e1000e_read_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
+ &reg_data);
if (ret_val)
return ret_val;
reg_data |= 0x3F;
- ret_val = e1000e_write_kmrn_reg(hw, GG82563_REG(0x34, 9), reg_data);
+ ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
+ reg_data);
if (ret_val)
return ret_val;
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index c3105c5087e0..762b697ce731 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4541,7 +4541,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
e1000_media_type_internal_serdes) {
/* keep the laser running in D3 */
ctrl_ext = er32(CTRL_EXT);
- ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
+ ctrl_ext |= E1000_CTRL_EXT_SDP3_DATA;
ew32(CTRL_EXT, ctrl_ext);
}
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