summaryrefslogtreecommitdiffstats
path: root/drivers/net/e1000e/phy.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/e1000e/phy.c')
-rw-r--r--drivers/net/e1000e/phy.c96
1 files changed, 52 insertions, 44 deletions
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 3d3dc0c8235..6bea051b134 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2010 Intel Corporation.
+ Copyright(c) 1999 - 2011 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,
@@ -42,20 +42,20 @@ static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset,
u16 *data, bool read);
/* Cable length tables */
-static const u16 e1000_m88_cable_length_table[] =
- { 0, 50, 80, 110, 140, 140, E1000_CABLE_LENGTH_UNDEFINED };
+static const u16 e1000_m88_cable_length_table[] = {
+ 0, 50, 80, 110, 140, 140, E1000_CABLE_LENGTH_UNDEFINED };
#define M88E1000_CABLE_LENGTH_TABLE_SIZE \
ARRAY_SIZE(e1000_m88_cable_length_table)
-static const u16 e1000_igp_2_cable_length_table[] =
- { 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, 0, 0, 0, 3,
- 6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41, 6, 10, 14, 18, 22,
- 26, 30, 33, 37, 41, 44, 48, 51, 54, 58, 61, 21, 26, 31, 35, 40,
- 44, 49, 53, 57, 61, 65, 68, 72, 75, 79, 82, 40, 45, 51, 56, 61,
- 66, 70, 75, 79, 83, 87, 91, 94, 98, 101, 104, 60, 66, 72, 77, 82,
- 87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121, 83, 89, 95,
- 100, 105, 109, 113, 116, 119, 122, 124, 104, 109, 114, 118, 121,
- 124};
+static const u16 e1000_igp_2_cable_length_table[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, 0, 0, 0, 3,
+ 6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41, 6, 10, 14, 18, 22,
+ 26, 30, 33, 37, 41, 44, 48, 51, 54, 58, 61, 21, 26, 31, 35, 40,
+ 44, 49, 53, 57, 61, 65, 68, 72, 75, 79, 82, 40, 45, 51, 56, 61,
+ 66, 70, 75, 79, 83, 87, 91, 94, 98, 101, 104, 60, 66, 72, 77, 82,
+ 87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121, 83, 89, 95,
+ 100, 105, 109, 113, 116, 119, 122, 124, 104, 109, 114, 118, 121,
+ 124};
#define IGP02E1000_CABLE_LENGTH_TABLE_SIZE \
ARRAY_SIZE(e1000_igp_2_cable_length_table)
@@ -226,6 +226,13 @@ s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
}
*data = (u16) mdic;
+ /*
+ * Allow some time after each MDIC transaction to avoid
+ * reading duplicate data in the next MDIC transaction.
+ */
+ if (hw->mac.type == e1000_pch2lan)
+ udelay(100);
+
return 0;
}
@@ -279,6 +286,13 @@ s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
return -E1000_ERR_PHY;
}
+ /*
+ * Allow some time after each MDIC transaction to avoid
+ * reading duplicate data in the next MDIC transaction.
+ */
+ if (hw->mac.type == e1000_pch2lan)
+ udelay(100);
+
return 0;
}
@@ -623,12 +637,11 @@ s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data)
**/
s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
{
- struct e1000_phy_info *phy = &hw->phy;
s32 ret_val;
u16 phy_data;
- /* Enable CRS on TX. This must be set for half-duplex operation. */
- ret_val = phy->ops.read_reg(hw, I82577_CFG_REG, &phy_data);
+ /* Enable CRS on Tx. This must be set for half-duplex operation. */
+ ret_val = e1e_rphy(hw, I82577_CFG_REG, &phy_data);
if (ret_val)
goto out;
@@ -637,7 +650,7 @@ s32 e1000_copper_link_setup_82577(struct e1000_hw *hw)
/* Enable downshift */
phy_data |= I82577_CFG_ENABLE_DOWNSHIFT;
- ret_val = phy->ops.write_reg(hw, I82577_CFG_REG, phy_data);
+ ret_val = e1e_wphy(hw, I82577_CFG_REG, phy_data);
out:
return ret_val;
@@ -760,16 +773,14 @@ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw)
}
if (phy->type == e1000_phy_82578) {
- ret_val = phy->ops.read_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
- &phy_data);
+ ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
if (ret_val)
return ret_val;
/* 82578 PHY - set the downshift count to 1x. */
phy_data |= I82578_EPSCR_DOWNSHIFT_ENABLE;
phy_data &= ~I82578_EPSCR_DOWNSHIFT_COUNTER_MASK;
- ret_val = phy->ops.write_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
- phy_data);
+ ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
if (ret_val)
return ret_val;
}
@@ -1043,9 +1054,8 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw)
e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
- if (phy->autoneg_mask & ADVERTISE_1000_FULL) {
+ if (phy->autoneg_mask & ADVERTISE_1000_FULL)
ret_val = e1e_wphy(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
- }
return ret_val;
}
@@ -1306,9 +1316,8 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
* We didn't get link.
* Reset the DSP and cross our fingers.
*/
- ret_val = e1e_wphy(hw,
- M88E1000_PHY_PAGE_SELECT,
- 0x001d);
+ ret_val = e1e_wphy(hw, M88E1000_PHY_PAGE_SELECT,
+ 0x001d);
if (ret_val)
return ret_val;
ret_val = e1000e_phy_reset_dsp(hw);
@@ -1840,11 +1849,12 @@ s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw)
u16 phy_data, i, agc_value = 0;
u16 cur_agc_index, max_agc_index = 0;
u16 min_agc_index = IGP02E1000_CABLE_LENGTH_TABLE_SIZE - 1;
- u16 agc_reg_array[IGP02E1000_PHY_CHANNEL_NUM] =
- {IGP02E1000_PHY_AGC_A,
- IGP02E1000_PHY_AGC_B,
- IGP02E1000_PHY_AGC_C,
- IGP02E1000_PHY_AGC_D};
+ static const u16 agc_reg_array[IGP02E1000_PHY_CHANNEL_NUM] = {
+ IGP02E1000_PHY_AGC_A,
+ IGP02E1000_PHY_AGC_B,
+ IGP02E1000_PHY_AGC_C,
+ IGP02E1000_PHY_AGC_D
+ };
/* Read the AGC registers for all channels */
for (i = 0; i < IGP02E1000_PHY_CHANNEL_NUM; i++) {
@@ -2976,7 +2986,7 @@ s32 e1000_write_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 data)
}
/**
- * e1000_get_phy_addr_for_hv_page - Get PHY adrress based on page
+ * e1000_get_phy_addr_for_hv_page - Get PHY address based on page
* @page: page to be accessed
**/
static u32 e1000_get_phy_addr_for_hv_page(u32 page)
@@ -3057,12 +3067,12 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw)
goto out;
/* Do not apply workaround if in PHY loopback bit 14 set */
- hw->phy.ops.read_reg(hw, PHY_CONTROL, &data);
+ e1e_rphy(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_reg(hw, BM_CS_STATUS, &data);
+ ret_val = e1e_rphy(hw, BM_CS_STATUS, &data);
if (ret_val)
goto out;
@@ -3078,14 +3088,12 @@ s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw)
mdelay(200);
/* flush the packets in the fifo buffer */
- ret_val = hw->phy.ops.write_reg(hw, HV_MUX_DATA_CTRL,
- HV_MUX_DATA_CTRL_GEN_TO_MAC |
- HV_MUX_DATA_CTRL_FORCE_SPEED);
+ ret_val = e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC |
+ HV_MUX_DATA_CTRL_FORCE_SPEED);
if (ret_val)
goto out;
- ret_val = hw->phy.ops.write_reg(hw, HV_MUX_DATA_CTRL,
- HV_MUX_DATA_CTRL_GEN_TO_MAC);
+ ret_val = e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC);
out:
return ret_val;
@@ -3105,7 +3113,7 @@ s32 e1000_check_polarity_82577(struct e1000_hw *hw)
s32 ret_val;
u16 data;
- ret_val = phy->ops.read_reg(hw, I82577_PHY_STATUS_2, &data);
+ ret_val = e1e_rphy(hw, I82577_PHY_STATUS_2, &data);
if (!ret_val)
phy->cable_polarity = (data & I82577_PHY_STATUS2_REV_POLARITY)
@@ -3128,13 +3136,13 @@ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw)
u16 phy_data;
bool link;
- ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data);
+ ret_val = e1e_rphy(hw, PHY_CONTROL, &phy_data);
if (ret_val)
goto out;
e1000e_phy_force_speed_duplex_setup(hw, &phy_data);
- ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data);
+ ret_val = e1e_wphy(hw, PHY_CONTROL, phy_data);
if (ret_val)
goto out;
@@ -3198,7 +3206,7 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw)
if (ret_val)
goto out;
- ret_val = phy->ops.read_reg(hw, I82577_PHY_STATUS_2, &data);
+ ret_val = e1e_rphy(hw, I82577_PHY_STATUS_2, &data);
if (ret_val)
goto out;
@@ -3210,7 +3218,7 @@ s32 e1000_get_phy_info_82577(struct e1000_hw *hw)
if (ret_val)
goto out;
- ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data);
+ ret_val = e1e_rphy(hw, PHY_1000T_STATUS, &data);
if (ret_val)
goto out;
@@ -3244,7 +3252,7 @@ s32 e1000_get_cable_length_82577(struct e1000_hw *hw)
s32 ret_val;
u16 phy_data, length;
- ret_val = phy->ops.read_reg(hw, I82577_PHY_DIAG_STATUS, &phy_data);
+ ret_val = e1e_rphy(hw, I82577_PHY_DIAG_STATUS, &phy_data);
if (ret_val)
goto out;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 06:03:45 +0000