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path: root/drivers/net/e1000e/es2lan.c
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Diffstat (limited to 'drivers/net/e1000e/es2lan.c')
-rw-r--r--drivers/net/e1000e/es2lan.c194
1 files changed, 157 insertions, 37 deletions
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index da9c09c248ed..8964838c686b 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -112,6 +112,11 @@ static void e1000_initialize_hw_bits_80003es2lan(struct e1000_hw *hw);
static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw *hw);
static s32 e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw *hw);
static s32 e1000_cfg_kmrn_10_100_80003es2lan(struct e1000_hw *hw, u16 duplex);
+static s32 e1000_cfg_on_link_up_80003es2lan(struct e1000_hw *hw);
+static s32 e1000_read_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
+ u16 *data);
+static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
+ u16 data);
/**
* e1000_init_phy_params_80003es2lan - Init ESB2 PHY func ptrs.
@@ -275,8 +280,6 @@ static s32 e1000_acquire_phy_80003es2lan(struct e1000_hw *hw)
u16 mask;
mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM;
- mask |= E1000_SWFW_CSR_SM;
-
return e1000_acquire_swfw_sync_80003es2lan(hw, mask);
}
@@ -292,7 +295,36 @@ static void e1000_release_phy_80003es2lan(struct e1000_hw *hw)
u16 mask;
mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM;
- mask |= E1000_SWFW_CSR_SM;
+ e1000_release_swfw_sync_80003es2lan(hw, mask);
+}
+
+/**
+ * e1000_acquire_mac_csr_80003es2lan - Acquire rights to access Kumeran register
+ * @hw: pointer to the HW structure
+ *
+ * Acquire the semaphore to access the Kumeran interface.
+ *
+ **/
+static s32 e1000_acquire_mac_csr_80003es2lan(struct e1000_hw *hw)
+{
+ u16 mask;
+
+ mask = E1000_SWFW_CSR_SM;
+
+ return e1000_acquire_swfw_sync_80003es2lan(hw, mask);
+}
+
+/**
+ * e1000_release_mac_csr_80003es2lan - Release rights to access Kumeran Register
+ * @hw: pointer to the HW structure
+ *
+ * Release the semaphore used to access the Kumeran interface
+ **/
+static void e1000_release_mac_csr_80003es2lan(struct e1000_hw *hw)
+{
+ u16 mask;
+
+ mask = E1000_SWFW_CSR_SM;
e1000_release_swfw_sync_80003es2lan(hw, mask);
}
@@ -347,7 +379,7 @@ static s32 e1000_acquire_swfw_sync_80003es2lan(struct e1000_hw *hw, u16 mask)
u32 swmask = mask;
u32 fwmask = mask << 16;
s32 i = 0;
- s32 timeout = 200;
+ s32 timeout = 50;
while (i < timeout) {
if (e1000e_get_hw_semaphore(hw))
@@ -715,13 +747,7 @@ static s32 e1000_get_link_up_info_80003es2lan(struct e1000_hw *hw, u16 *speed,
ret_val = e1000e_get_speed_and_duplex_copper(hw,
speed,
duplex);
- if (ret_val)
- return ret_val;
- if (*speed == SPEED_1000)
- ret_val = e1000_cfg_kmrn_1000_80003es2lan(hw);
- else
- ret_val = e1000_cfg_kmrn_10_100_80003es2lan(hw,
- *duplex);
+ hw->phy.ops.cfg_on_link_up(hw);
} else {
ret_val = e1000e_get_speed_and_duplex_fiber_serdes(hw,
speed,
@@ -763,8 +789,10 @@ static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw)
ctrl = er32(CTRL);
+ ret_val = e1000_acquire_phy_80003es2lan(hw);
hw_dbg(hw, "Issuing a global reset to MAC\n");
ew32(CTRL, ctrl | E1000_CTRL_RST);
+ e1000_release_phy_80003es2lan(hw);
ret_val = e1000e_get_auto_rd_done(hw);
if (ret_val)
@@ -907,8 +935,7 @@ static s32 e1000_copper_link_setup_gg82563_80003es2lan(struct e1000_hw *hw)
struct e1000_phy_info *phy = &hw->phy;
s32 ret_val;
u32 ctrl_ext;
- u32 i = 0;
- u16 data, data2;
+ u16 data;
ret_val = e1e_rphy(hw, GG82563_PHY_MAC_SPEC_CTRL, &data);
if (ret_val)
@@ -972,19 +999,20 @@ static s32 e1000_copper_link_setup_gg82563_80003es2lan(struct e1000_hw *hw)
}
/* Bypass Rx and Tx FIFO's */
- ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_OFFSET_FIFO_CTRL,
+ ret_val = e1000_write_kmrn_reg_80003es2lan(hw,
+ E1000_KMRNCTRLSTA_OFFSET_FIFO_CTRL,
E1000_KMRNCTRLSTA_FIFO_CTRL_RX_BYPASS |
E1000_KMRNCTRLSTA_FIFO_CTRL_TX_BYPASS);
if (ret_val)
return ret_val;
- ret_val = e1000e_read_kmrn_reg(hw,
+ ret_val = e1000_read_kmrn_reg_80003es2lan(hw,
E1000_KMRNCTRLSTA_OFFSET_MAC2PHY_OPMODE,
&data);
if (ret_val)
return ret_val;
data |= E1000_KMRNCTRLSTA_OPMODE_E_IDLE;
- ret_val = e1000e_write_kmrn_reg(hw,
+ ret_val = e1000_write_kmrn_reg_80003es2lan(hw,
E1000_KMRNCTRLSTA_OFFSET_MAC2PHY_OPMODE,
data);
if (ret_val)
@@ -1019,18 +1047,9 @@ static s32 e1000_copper_link_setup_gg82563_80003es2lan(struct e1000_hw *hw)
if (ret_val)
return ret_val;
- do {
- ret_val = e1e_rphy(hw, GG82563_PHY_KMRN_MODE_CTRL,
- &data);
- if (ret_val)
- return ret_val;
-
- ret_val = e1e_rphy(hw, GG82563_PHY_KMRN_MODE_CTRL,
- &data2);
- if (ret_val)
- return ret_val;
- i++;
- } while ((data != data2) && (i < GG82563_MAX_KMRN_RETRY));
+ ret_val = e1e_rphy(hw, GG82563_PHY_KMRN_MODE_CTRL, &data);
+ if (ret_val)
+ return ret_val;
data &= ~GG82563_KMCR_PASS_FALSE_CARRIER;
ret_val = e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, data);
@@ -1077,23 +1096,27 @@ static s32 e1000_setup_copper_link_80003es2lan(struct e1000_hw *hw)
* iteration 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 = e1000_write_kmrn_reg_80003es2lan(hw, GG82563_REG(0x34, 4),
+ 0xFFFF);
if (ret_val)
return ret_val;
- ret_val = e1000e_read_kmrn_reg(hw, GG82563_REG(0x34, 9), &reg_data);
+ ret_val = e1000_read_kmrn_reg_80003es2lan(hw, GG82563_REG(0x34, 9),
+ &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 = e1000_write_kmrn_reg_80003es2lan(hw, GG82563_REG(0x34, 9),
+ reg_data);
if (ret_val)
return ret_val;
- ret_val = e1000e_read_kmrn_reg(hw,
+ ret_val = e1000_read_kmrn_reg_80003es2lan(hw,
E1000_KMRNCTRLSTA_OFFSET_INB_CTRL,
&reg_data);
if (ret_val)
return ret_val;
reg_data |= E1000_KMRNCTRLSTA_INB_CTRL_DIS_PADDING;
- ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_OFFSET_INB_CTRL,
+ ret_val = e1000_write_kmrn_reg_80003es2lan(hw,
+ E1000_KMRNCTRLSTA_OFFSET_INB_CTRL,
reg_data);
if (ret_val)
return ret_val;
@@ -1108,6 +1131,35 @@ static s32 e1000_setup_copper_link_80003es2lan(struct e1000_hw *hw)
}
/**
+ * e1000_cfg_on_link_up_80003es2lan - es2 link configuration after link-up
+ * @hw: pointer to the HW structure
+ * @duplex: current duplex setting
+ *
+ * Configure the KMRN interface by applying last minute quirks for
+ * 10/100 operation.
+ **/
+static s32 e1000_cfg_on_link_up_80003es2lan(struct e1000_hw *hw)
+{
+ s32 ret_val = 0;
+ u16 speed;
+ u16 duplex;
+
+ if (hw->phy.media_type == e1000_media_type_copper) {
+ ret_val = e1000e_get_speed_and_duplex_copper(hw, &speed,
+ &duplex);
+ if (ret_val)
+ return ret_val;
+
+ if (speed == SPEED_1000)
+ ret_val = e1000_cfg_kmrn_1000_80003es2lan(hw);
+ else
+ ret_val = e1000_cfg_kmrn_10_100_80003es2lan(hw, duplex);
+ }
+
+ return ret_val;
+}
+
+/**
* e1000_cfg_kmrn_10_100_80003es2lan - Apply "quirks" for 10/100 operation
* @hw: pointer to the HW structure
* @duplex: current duplex setting
@@ -1123,8 +1175,9 @@ static s32 e1000_cfg_kmrn_10_100_80003es2lan(struct e1000_hw *hw, u16 duplex)
u16 reg_data, reg_data2;
reg_data = E1000_KMRNCTRLSTA_HD_CTRL_10_100_DEFAULT;
- ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_OFFSET_HD_CTRL,
- reg_data);
+ ret_val = e1000_write_kmrn_reg_80003es2lan(hw,
+ E1000_KMRNCTRLSTA_OFFSET_HD_CTRL,
+ reg_data);
if (ret_val)
return ret_val;
@@ -1170,8 +1223,9 @@ static s32 e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw *hw)
u32 i = 0;
reg_data = E1000_KMRNCTRLSTA_HD_CTRL_1000_DEFAULT;
- ret_val = e1000e_write_kmrn_reg(hw, E1000_KMRNCTRLSTA_OFFSET_HD_CTRL,
- reg_data);
+ ret_val = e1000_write_kmrn_reg_80003es2lan(hw,
+ E1000_KMRNCTRLSTA_OFFSET_HD_CTRL,
+ reg_data);
if (ret_val)
return ret_val;
@@ -1199,6 +1253,71 @@ static s32 e1000_cfg_kmrn_1000_80003es2lan(struct e1000_hw *hw)
}
/**
+ * e1000_read_kmrn_reg_80003es2lan - Read kumeran register
+ * @hw: pointer to the HW structure
+ * @offset: register offset to be read
+ * @data: pointer to the read data
+ *
+ * Acquire semaphore, then read the PHY register at offset
+ * using the kumeran interface. The information retrieved is stored in data.
+ * Release the semaphore before exiting.
+ **/
+static s32 e1000_read_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
+ u16 *data)
+{
+ u32 kmrnctrlsta;
+ s32 ret_val = 0;
+
+ ret_val = e1000_acquire_mac_csr_80003es2lan(hw);
+ if (ret_val)
+ return ret_val;
+
+ kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
+ E1000_KMRNCTRLSTA_OFFSET) | E1000_KMRNCTRLSTA_REN;
+ ew32(KMRNCTRLSTA, kmrnctrlsta);
+
+ udelay(2);
+
+ kmrnctrlsta = er32(KMRNCTRLSTA);
+ *data = (u16)kmrnctrlsta;
+
+ e1000_release_mac_csr_80003es2lan(hw);
+
+ return ret_val;
+}
+
+/**
+ * e1000_write_kmrn_reg_80003es2lan - Write kumeran register
+ * @hw: pointer to the HW structure
+ * @offset: register offset to write to
+ * @data: data to write at register offset
+ *
+ * Acquire semaphore, then write the data to PHY register
+ * at the offset using the kumeran interface. Release semaphore
+ * before exiting.
+ **/
+static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
+ u16 data)
+{
+ u32 kmrnctrlsta;
+ s32 ret_val = 0;
+
+ ret_val = e1000_acquire_mac_csr_80003es2lan(hw);
+ if (ret_val)
+ return ret_val;
+
+ kmrnctrlsta = ((offset << E1000_KMRNCTRLSTA_OFFSET_SHIFT) &
+ E1000_KMRNCTRLSTA_OFFSET) | data;
+ ew32(KMRNCTRLSTA, kmrnctrlsta);
+
+ udelay(2);
+
+ e1000_release_mac_csr_80003es2lan(hw);
+
+ return ret_val;
+}
+
+/**
* e1000_clear_hw_cntrs_80003es2lan - Clear device specific hardware counters
* @hw: pointer to the HW structure
*
@@ -1276,6 +1395,7 @@ static struct e1000_phy_operations es2_phy_ops = {
.set_d0_lplu_state = NULL,
.set_d3_lplu_state = e1000e_set_d3_lplu_state,
.write_phy_reg = e1000_write_phy_reg_gg82563_80003es2lan,
+ .cfg_on_link_up = e1000_cfg_on_link_up_80003es2lan,
};
static struct e1000_nvm_operations es2_nvm_ops = {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 23:59:01 +0000