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-rw-r--r--drivers/net/e1000e/e1000.h6
-rw-r--r--drivers/net/e1000e/ich8lan.c216
-rw-r--r--drivers/net/e1000e/phy.c191
3 files changed, 204 insertions, 209 deletions
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index b9f9e7836fad..cebbd9079d53 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -590,6 +590,12 @@ extern s32 e1000_get_phy_info_82577(struct e1000_hw *hw);
extern s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw);
extern s32 e1000_get_cable_length_82577(struct e1000_hw *hw);
+extern s32 e1000_check_polarity_m88(struct e1000_hw *hw);
+extern s32 e1000_get_phy_info_ife(struct e1000_hw *hw);
+extern s32 e1000_check_polarity_ife(struct e1000_hw *hw);
+extern s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw);
+extern s32 e1000_check_polarity_igp(struct e1000_hw *hw);
+
static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw)
{
return hw->phy.ops.reset(hw);
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 6efb77fbbd70..7b33be98a2ca 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -195,7 +195,6 @@ union ich8_flash_protected_range {
static s32 e1000_setup_link_ich8lan(struct e1000_hw *hw);
static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw);
static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw);
-static s32 e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw);
static s32 e1000_erase_flash_bank_ich8lan(struct e1000_hw *hw, u32 bank);
static s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw,
u32 offset, u8 byte);
@@ -260,7 +259,6 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
phy->addr = 1;
phy->reset_delay_us = 100;
- phy->ops.check_polarity = e1000_check_polarity_ife_ich8lan;
phy->ops.read_reg = e1000_read_phy_reg_hv;
phy->ops.read_reg_locked = e1000_read_phy_reg_hv_locked;
phy->ops.set_d0_lplu_state = e1000_set_lplu_state_pchlan;
@@ -275,13 +273,23 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
e1000e_get_phy_id(hw);
phy->type = e1000e_get_phy_type_from_id(phy->id);
- if (phy->type == e1000_phy_82577) {
+ switch (phy->type) {
+ case e1000_phy_82577:
phy->ops.check_polarity = e1000_check_polarity_82577;
phy->ops.force_speed_duplex =
e1000_phy_force_speed_duplex_82577;
- phy->ops.get_cable_length = e1000_get_cable_length_82577;
+ phy->ops.get_cable_length = e1000_get_cable_length_82577;
phy->ops.get_info = e1000_get_phy_info_82577;
phy->ops.commit = e1000e_phy_sw_reset;
+ case e1000_phy_82578:
+ phy->ops.check_polarity = e1000_check_polarity_m88;
+ phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88;
+ phy->ops.get_cable_length = e1000e_get_cable_length_m88;
+ phy->ops.get_info = e1000e_get_phy_info_m88;
+ break;
+ default:
+ ret_val = -E1000_ERR_PHY;
+ break;
}
return ret_val;
@@ -336,12 +344,18 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
phy->autoneg_mask = AUTONEG_ADVERTISE_SPEED_DEFAULT;
phy->ops.read_reg_locked = e1000e_read_phy_reg_igp_locked;
phy->ops.write_reg_locked = e1000e_write_phy_reg_igp_locked;
+ phy->ops.get_info = e1000e_get_phy_info_igp;
+ phy->ops.check_polarity = e1000_check_polarity_igp;
+ phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_igp;
break;
case IFE_E_PHY_ID:
case IFE_PLUS_E_PHY_ID:
case IFE_C_E_PHY_ID:
phy->type = e1000_phy_ife;
phy->autoneg_mask = E1000_ALL_NOT_GIG;
+ phy->ops.get_info = e1000_get_phy_info_ife;
+ phy->ops.check_polarity = e1000_check_polarity_ife;
+ phy->ops.force_speed_duplex = e1000_phy_force_speed_duplex_ife;
break;
case BME1000_E_PHY_ID:
phy->type = e1000_phy_bm;
@@ -349,14 +363,15 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
phy->ops.read_reg = e1000e_read_phy_reg_bm;
phy->ops.write_reg = e1000e_write_phy_reg_bm;
phy->ops.commit = e1000e_phy_sw_reset;
+ phy->ops.get_info = e1000e_get_phy_info_m88;
+ phy->ops.check_polarity = e1000_check_polarity_m88;
+ phy->ops.force_speed_duplex = e1000e_phy_force_speed_duplex_m88;
break;
default:
return -E1000_ERR_PHY;
break;
}
- phy->ops.check_polarity = e1000_check_polarity_ife_ich8lan;
-
return 0;
}
@@ -740,77 +755,6 @@ static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw)
}
/**
- * e1000_phy_force_speed_duplex_ich8lan - Force PHY speed & duplex
- * @hw: pointer to the HW structure
- *
- * Forces the speed and duplex settings of the PHY.
- * This is a function pointer entry point only called by
- * PHY setup routines.
- **/
-static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw)
-{
- struct e1000_phy_info *phy = &hw->phy;
- s32 ret_val;
- u16 data;
- bool link;
-
- if (phy->type != e1000_phy_ife) {
- ret_val = e1000e_phy_force_speed_duplex_igp(hw);
- return ret_val;
- }
-
- ret_val = e1e_rphy(hw, PHY_CONTROL, &data);
- if (ret_val)
- return ret_val;
-
- e1000e_phy_force_speed_duplex_setup(hw, &data);
-
- ret_val = e1e_wphy(hw, PHY_CONTROL, data);
- if (ret_val)
- return ret_val;
-
- /* Disable MDI-X support for 10/100 */
- ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
- if (ret_val)
- return ret_val;
-
- data &= ~IFE_PMC_AUTO_MDIX;
- data &= ~IFE_PMC_FORCE_MDIX;
-
- ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data);
- if (ret_val)
- return ret_val;
-
- e_dbg("IFE PMC: %X\n", data);
-
- udelay(1);
-
- if (phy->autoneg_wait_to_complete) {
- e_dbg("Waiting for forced speed/duplex link on IFE phy.\n");
-
- ret_val = e1000e_phy_has_link_generic(hw,
- PHY_FORCE_LIMIT,
- 100000,
- &link);
- if (ret_val)
- return ret_val;
-
- if (!link)
- e_dbg("Link taking longer than expected.\n");
-
- /* Try once more */
- ret_val = e1000e_phy_has_link_generic(hw,
- PHY_FORCE_LIMIT,
- 100000,
- &link);
- if (ret_val)
- return ret_val;
- }
-
- return 0;
-}
-
-/**
* e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration
* @hw: pointer to the HW structure
*
@@ -1262,122 +1206,6 @@ out:
}
/**
- * e1000_get_phy_info_ife_ich8lan - Retrieves various IFE PHY states
- * @hw: pointer to the HW structure
- *
- * Populates "phy" structure with various feature states.
- * This function is only called by other family-specific
- * routines.
- **/
-static s32 e1000_get_phy_info_ife_ich8lan(struct e1000_hw *hw)
-{
- struct e1000_phy_info *phy = &hw->phy;
- s32 ret_val;
- u16 data;
- bool link;
-
- ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
- if (ret_val)
- return ret_val;
-
- if (!link) {
- e_dbg("Phy info is only valid if link is up\n");
- return -E1000_ERR_CONFIG;
- }
-
- ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data);
- if (ret_val)
- return ret_val;
- phy->polarity_correction = (!(data & IFE_PSC_AUTO_POLARITY_DISABLE));
-
- if (phy->polarity_correction) {
- ret_val = phy->ops.check_polarity(hw);
- if (ret_val)
- return ret_val;
- } else {
- /* Polarity is forced */
- phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY)
- ? e1000_rev_polarity_reversed
- : e1000_rev_polarity_normal;
- }
-
- ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
- if (ret_val)
- return ret_val;
-
- phy->is_mdix = (data & IFE_PMC_MDIX_STATUS);
-
- /* The following parameters are undefined for 10/100 operation. */
- phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
- phy->local_rx = e1000_1000t_rx_status_undefined;
- phy->remote_rx = e1000_1000t_rx_status_undefined;
-
- return 0;
-}
-
-/**
- * e1000_get_phy_info_ich8lan - Calls appropriate PHY type get_phy_info
- * @hw: pointer to the HW structure
- *
- * Wrapper for calling the get_phy_info routines for the appropriate phy type.
- * This is a function pointer entry point called by drivers
- * or other shared routines.
- **/
-static s32 e1000_get_phy_info_ich8lan(struct e1000_hw *hw)
-{
- switch (hw->phy.type) {
- case e1000_phy_ife:
- return e1000_get_phy_info_ife_ich8lan(hw);
- break;
- case e1000_phy_igp_3:
- case e1000_phy_bm:
- case e1000_phy_82578:
- case e1000_phy_82577:
- return e1000e_get_phy_info_igp(hw);
- break;
- default:
- break;
- }
-
- return -E1000_ERR_PHY_TYPE;
-}
-
-/**
- * e1000_check_polarity_ife_ich8lan - Check cable polarity for IFE PHY
- * @hw: pointer to the HW structure
- *
- * Polarity is determined on the polarity reversal feature being enabled.
- * This function is only called by other family-specific
- * routines.
- **/
-static s32 e1000_check_polarity_ife_ich8lan(struct e1000_hw *hw)
-{
- struct e1000_phy_info *phy = &hw->phy;
- s32 ret_val;
- u16 phy_data, offset, mask;
-
- /*
- * Polarity is determined based on the reversal feature being enabled.
- */
- if (phy->polarity_correction) {
- offset = IFE_PHY_EXTENDED_STATUS_CONTROL;
- mask = IFE_PESC_POLARITY_REVERSED;
- } else {
- offset = IFE_PHY_SPECIAL_CONTROL;
- mask = IFE_PSC_FORCE_POLARITY;
- }
-
- ret_val = e1e_rphy(hw, offset, &phy_data);
-
- if (!ret_val)
- phy->cable_polarity = (phy_data & mask)
- ? e1000_rev_polarity_reversed
- : e1000_rev_polarity_normal;
-
- return ret_val;
-}
-
-/**
* e1000_set_lplu_state_pchlan - Set Low Power Link Up state
* @hw: pointer to the HW structure
* @active: true to enable LPLU, false to disable
@@ -3485,10 +3313,8 @@ static struct e1000_phy_operations ich8_phy_ops = {
.acquire = e1000_acquire_swflag_ich8lan,
.check_reset_block = e1000_check_reset_block_ich8lan,
.commit = NULL,
- .force_speed_duplex = e1000_phy_force_speed_duplex_ich8lan,
.get_cfg_done = e1000_get_cfg_done_ich8lan,
.get_cable_length = e1000e_get_cable_length_igp_2,
- .get_info = e1000_get_phy_info_ich8lan,
.read_reg = e1000e_read_phy_reg_igp,
.release = e1000_release_swflag_ich8lan,
.reset = e1000_phy_hw_reset_ich8lan,
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 67a718862e70..55a2c0acfee7 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -1322,17 +1322,22 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
return ret_val;
if (!link) {
- /*
- * We didn't get link.
- * Reset the DSP and cross our fingers.
- */
- ret_val = e1e_wphy(hw, M88E1000_PHY_PAGE_SELECT,
- 0x001d);
- if (ret_val)
- return ret_val;
- ret_val = e1000e_phy_reset_dsp(hw);
- if (ret_val)
- return ret_val;
+ if (hw->phy.type != e1000_phy_m88) {
+ e_dbg("Link taking longer than expected.\n");
+ } else {
+ /*
+ * We didn't get link.
+ * Reset the DSP and cross our fingers.
+ */
+ ret_val = e1e_wphy(hw,
+ M88E1000_PHY_PAGE_SELECT,
+ 0x001d);
+ if (ret_val)
+ return ret_val;
+ ret_val = e1000e_phy_reset_dsp(hw);
+ if (ret_val)
+ return ret_val;
+ }
}
/* Try once more */
@@ -1342,6 +1347,9 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
return ret_val;
}
+ if (hw->phy.type != e1000_phy_m88)
+ return 0;
+
ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
if (ret_val)
return ret_val;
@@ -1371,6 +1379,73 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
}
/**
+ * e1000_phy_force_speed_duplex_ife - Force PHY speed & duplex
+ * @hw: pointer to the HW structure
+ *
+ * Forces the speed and duplex settings of the PHY.
+ * This is a function pointer entry point only called by
+ * PHY setup routines.
+ **/
+s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ s32 ret_val;
+ u16 data;
+ bool link;
+
+ ret_val = e1e_rphy(hw, PHY_CONTROL, &data);
+ if (ret_val)
+ goto out;
+
+ e1000e_phy_force_speed_duplex_setup(hw, &data);
+
+ ret_val = e1e_wphy(hw, PHY_CONTROL, data);
+ if (ret_val)
+ goto out;
+
+ /* Disable MDI-X support for 10/100 */
+ ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
+ if (ret_val)
+ goto out;
+
+ data &= ~IFE_PMC_AUTO_MDIX;
+ data &= ~IFE_PMC_FORCE_MDIX;
+
+ ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data);
+ if (ret_val)
+ goto out;
+
+ e_dbg("IFE PMC: %X\n", data);
+
+ udelay(1);
+
+ if (phy->autoneg_wait_to_complete) {
+ e_dbg("Waiting for forced speed/duplex link on IFE phy.\n");
+
+ ret_val = e1000e_phy_has_link_generic(hw,
+ PHY_FORCE_LIMIT,
+ 100000,
+ &link);
+ if (ret_val)
+ goto out;
+
+ if (!link)
+ e_dbg("Link taking longer than expected.\n");
+
+ /* Try once more */
+ ret_val = e1000e_phy_has_link_generic(hw,
+ PHY_FORCE_LIMIT,
+ 100000,
+ &link);
+ if (ret_val)
+ goto out;
+ }
+
+out:
+ return ret_val;
+}
+
+/**
* e1000e_phy_force_speed_duplex_setup - Configure forced PHY speed/duplex
* @hw: pointer to the HW structure
* @phy_ctrl: pointer to current value of PHY_CONTROL
@@ -1557,7 +1632,7 @@ s32 e1000e_check_downshift(struct e1000_hw *hw)
*
* Polarity is determined based on the PHY specific status register.
**/
-static s32 e1000_check_polarity_m88(struct e1000_hw *hw)
+s32 e1000_check_polarity_m88(struct e1000_hw *hw)
{
struct e1000_phy_info *phy = &hw->phy;
s32 ret_val;
@@ -1582,7 +1657,7 @@ static s32 e1000_check_polarity_m88(struct e1000_hw *hw)
* Polarity is determined based on the PHY port status register, and the
* current speed (since there is no polarity at 100Mbps).
**/
-static s32 e1000_check_polarity_igp(struct e1000_hw *hw)
+s32 e1000_check_polarity_igp(struct e1000_hw *hw)
{
struct e1000_phy_info *phy = &hw->phy;
s32 ret_val;
@@ -1620,6 +1695,39 @@ static s32 e1000_check_polarity_igp(struct e1000_hw *hw)
}
/**
+ * e1000_check_polarity_ife - Check cable polarity for IFE PHY
+ * @hw: pointer to the HW structure
+ *
+ * Polarity is determined on the polarity reversal feature being enabled.
+ **/
+s32 e1000_check_polarity_ife(struct e1000_hw *hw)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ s32 ret_val;
+ u16 phy_data, offset, mask;
+
+ /*
+ * Polarity is determined based on the reversal feature being enabled.
+ */
+ if (phy->polarity_correction) {
+ offset = IFE_PHY_EXTENDED_STATUS_CONTROL;
+ mask = IFE_PESC_POLARITY_REVERSED;
+ } else {
+ offset = IFE_PHY_SPECIAL_CONTROL;
+ mask = IFE_PSC_FORCE_POLARITY;
+ }
+
+ ret_val = e1e_rphy(hw, offset, &phy_data);
+
+ if (!ret_val)
+ phy->cable_polarity = (phy_data & mask)
+ ? e1000_rev_polarity_reversed
+ : e1000_rev_polarity_normal;
+
+ return ret_val;
+}
+
+/**
* e1000_wait_autoneg - Wait for auto-neg completion
* @hw: pointer to the HW structure
*
@@ -1823,7 +1931,7 @@ s32 e1000e_get_phy_info_m88(struct e1000_hw *hw)
u16 phy_data;
bool link;
- if (hw->phy.media_type != e1000_media_type_copper) {
+ if (phy->media_type != e1000_media_type_copper) {
e_dbg("Phy info is only valid for copper media\n");
return -E1000_ERR_CONFIG;
}
@@ -1944,6 +2052,61 @@ s32 e1000e_get_phy_info_igp(struct e1000_hw *hw)
}
/**
+ * e1000_get_phy_info_ife - Retrieves various IFE PHY states
+ * @hw: pointer to the HW structure
+ *
+ * Populates "phy" structure with various feature states.
+ **/
+s32 e1000_get_phy_info_ife(struct e1000_hw *hw)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ s32 ret_val;
+ u16 data;
+ bool link;
+
+ ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link);
+ if (ret_val)
+ goto out;
+
+ if (!link) {
+ e_dbg("Phy info is only valid if link is up\n");
+ ret_val = -E1000_ERR_CONFIG;
+ goto out;
+ }
+
+ ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data);
+ if (ret_val)
+ goto out;
+ phy->polarity_correction = (data & IFE_PSC_AUTO_POLARITY_DISABLE)
+ ? false : true;
+
+ if (phy->polarity_correction) {
+ ret_val = e1000_check_polarity_ife(hw);
+ if (ret_val)
+ goto out;
+ } else {
+ /* Polarity is forced */
+ phy->cable_polarity = (data & IFE_PSC_FORCE_POLARITY)
+ ? e1000_rev_polarity_reversed
+ : e1000_rev_polarity_normal;
+ }
+
+ ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data);
+ if (ret_val)
+ goto out;
+
+ phy->is_mdix = (data & IFE_PMC_MDIX_STATUS) ? true : false;
+
+ /* The following parameters are undefined for 10/100 operation. */
+ phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
+ phy->local_rx = e1000_1000t_rx_status_undefined;
+ phy->remote_rx = e1000_1000t_rx_status_undefined;
+
+out:
+ return ret_val;
+}
+
+/**
* e1000e_phy_sw_reset - PHY software reset
* @hw: pointer to the HW structure
*
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.