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igb: add 88E1543 initialization code

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Initialize the 88E1543 PHY.

Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Todd Fujinaka 2015-09-02 16:54:20 -07:00 committed by Jeff Kirsher
parent e09b89069f
commit 18f7ce5412
4 changed files with 103 additions and 0 deletions
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7
drivers/net/ethernet/intel/igb/e1000_82575.c
View File

@ -272,6 +272,11 @@ static s32 igb_init_phy_params_82575(struct e1000_hw *hw)
if (ret_val)
goto out;
}
if (phy->id == M88E1543_E_PHY_ID) {
ret_val = igb_initialize_M88E1543_phy(hw);
if (ret_val)
goto out;
}
break;
case IGP03E1000_E_PHY_ID:
phy->type = e1000_phy_igp_3;
@ -925,6 +930,8 @@ static s32 igb_phy_hw_reset_sgmii_82575(struct e1000_hw *hw)
if (phy->id == M88E1512_E_PHY_ID)
ret_val = igb_initialize_M88E1512_phy(hw);
if (phy->id == M88E1543_E_PHY_ID)
ret_val = igb_initialize_M88E1543_phy(hw);
out:
return ret_val;
}

1
drivers/net/ethernet/intel/igb/e1000_defines.h
View File

@ -990,6 +990,7 @@
#define E1000_M88E1543_PAGE_ADDR 0x16 /* Page Offset Register */
#define E1000_M88E1543_EEE_CTRL_1 0x0
#define E1000_M88E1543_EEE_CTRL_1_MS 0x0001 /* EEE Master/Slave */
#define E1000_M88E1543_FIBER_CTRL 0x0
#define E1000_EEE_ADV_DEV_I354 7
#define E1000_EEE_ADV_ADDR_I354 60
#define E1000_EEE_ADV_100_SUPPORTED (1 << 1) /* 100BaseTx EEE Supported */

94
drivers/net/ethernet/intel/igb/e1000_phy.c
View File

@ -2277,6 +2277,100 @@ s32 igb_initialize_M88E1512_phy(struct e1000_hw *hw)
return ret_val;
}
/**
* igb_initialize_M88E1543_phy - Initialize M88E1512 PHY
* @hw: pointer to the HW structure
*
* Initialize Marvell 1543 to work correctly with Avoton.
**/
s32 igb_initialize_M88E1543_phy(struct e1000_hw *hw)
{
struct e1000_phy_info *phy = &hw->phy;
s32 ret_val = 0;
/* Switch to PHY page 0xFF. */
ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x00FF);
if (ret_val)
goto out;
ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0x214B);
if (ret_val)
goto out;
ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2144);
if (ret_val)
goto out;
ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0x0C28);
if (ret_val)
goto out;
ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2146);
if (ret_val)
goto out;
ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0xB233);
if (ret_val)
goto out;
ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x214D);
if (ret_val)
goto out;
ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0xDC0C);
if (ret_val)
goto out;
ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2159);
if (ret_val)
goto out;
/* Switch to PHY page 0xFB. */
ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x00FB);
if (ret_val)
goto out;
ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_3, 0x0C0D);
if (ret_val)
goto out;
/* Switch to PHY page 0x12. */
ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x12);
if (ret_val)
goto out;
/* Change mode to SGMII-to-Copper */
ret_val = phy->ops.write_reg(hw, E1000_M88E1512_MODE, 0x8001);
if (ret_val)
goto out;
/* Switch to PHY page 1. */
ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x1);
if (ret_val)
goto out;
/* Change mode to 1000BASE-X/SGMII and autoneg enable */
ret_val = phy->ops.write_reg(hw, E1000_M88E1543_FIBER_CTRL, 0x9140);
if (ret_val)
goto out;
/* Return the PHY to page 0. */
ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0);
if (ret_val)
goto out;
ret_val = igb_phy_sw_reset(hw);
if (ret_val) {
hw_dbg("Error committing the PHY changes\n");
return ret_val;
}
/* msec_delay(1000); */
usleep_range(1000, 2000);
out:
return ret_val;
}
/**
* igb_power_up_phy_copper - Restore copper link in case of PHY power down
* @hw: pointer to the HW structure

1
drivers/net/ethernet/intel/igb/e1000_phy.h
View File

@ -62,6 +62,7 @@ void igb_power_up_phy_copper(struct e1000_hw *hw);
void igb_power_down_phy_copper(struct e1000_hw *hw);
s32 igb_phy_init_script_igp3(struct e1000_hw *hw);
s32 igb_initialize_M88E1512_phy(struct e1000_hw *hw);
s32 igb_initialize_M88E1543_phy(struct e1000_hw *hw);
s32 igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
s32 igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
s32 igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data);