Signed-off-by: Jijiang Liu <jijiang.liu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
Tested-by: Waterman Cao <waterman.cao@intel.com>
[Thomas: split code drop]
* e1000_k1_gig_workaround_lv - K1 Si workaround
* @hw: pointer to the HW structure
*
* e1000_k1_gig_workaround_lv - K1 Si workaround
* @hw: pointer to the HW structure
*
- * Workaround to set the K1 beacon duration for 82579 parts
+ * Workaround to set the K1 beacon duration for 82579 parts in 10Mbps
+ * Disable K1 for 1000 and 100 speeds
**/
STATIC s32 e1000_k1_workaround_lv(struct e1000_hw *hw)
{
s32 ret_val = E1000_SUCCESS;
u16 status_reg = 0;
**/
STATIC s32 e1000_k1_workaround_lv(struct e1000_hw *hw)
{
s32 ret_val = E1000_SUCCESS;
u16 status_reg = 0;
- u32 mac_reg;
- u16 phy_reg;
DEBUGFUNC("e1000_k1_workaround_lv");
if (hw->mac.type != e1000_pch2lan)
return E1000_SUCCESS;
DEBUGFUNC("e1000_k1_workaround_lv");
if (hw->mac.type != e1000_pch2lan)
return E1000_SUCCESS;
- /* Set K1 beacon duration based on 1Gbps speed or otherwise */
+ /* Set K1 beacon duration based on 10Mbs speed */
ret_val = hw->phy.ops.read_reg(hw, HV_M_STATUS, &status_reg);
if (ret_val)
return ret_val;
if ((status_reg & (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE))
== (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) {
ret_val = hw->phy.ops.read_reg(hw, HV_M_STATUS, &status_reg);
if (ret_val)
return ret_val;
if ((status_reg & (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE))
== (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) {
- mac_reg = E1000_READ_REG(hw, E1000_FEXTNVM4);
- mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK;
-
- ret_val = hw->phy.ops.read_reg(hw, I82579_LPI_CTRL, &phy_reg);
- if (ret_val)
- return ret_val;
-
- if (status_reg & HV_M_STATUS_SPEED_1000) {
+ if (status_reg &
+ (HV_M_STATUS_SPEED_1000 | HV_M_STATUS_SPEED_100)) {
- mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_8USEC;
- phy_reg &= ~I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT;
- /* LV 1G Packet drop issue wa */
+ /* LV 1G/100 Packet drop issue wa */
ret_val = hw->phy.ops.read_reg(hw, HV_PM_CTRL,
&pm_phy_reg);
if (ret_val)
return ret_val;
ret_val = hw->phy.ops.read_reg(hw, HV_PM_CTRL,
&pm_phy_reg);
if (ret_val)
return ret_val;
- pm_phy_reg &= ~HV_PM_CTRL_PLL_STOP_IN_K1_GIGA;
+ pm_phy_reg &= ~HV_PM_CTRL_K1_ENABLE;
ret_val = hw->phy.ops.write_reg(hw, HV_PM_CTRL,
pm_phy_reg);
if (ret_val)
return ret_val;
} else {
ret_val = hw->phy.ops.write_reg(hw, HV_PM_CTRL,
pm_phy_reg);
if (ret_val)
return ret_val;
} else {
+ u32 mac_reg;
+ mac_reg = E1000_READ_REG(hw, E1000_FEXTNVM4);
+ mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK;
mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_16USEC;
mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_16USEC;
- phy_reg |= I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT;
+ E1000_WRITE_REG(hw, E1000_FEXTNVM4, mac_reg);
- E1000_WRITE_REG(hw, E1000_FEXTNVM4, mac_reg);
- ret_val = hw->phy.ops.write_reg(hw, I82579_LPI_CTRL, phy_reg);
#define I82579_LPI_CTRL_100_ENABLE 0x2000
#define I82579_LPI_CTRL_1000_ENABLE 0x4000
#define I82579_LPI_CTRL_ENABLE_MASK 0x6000
#define I82579_LPI_CTRL_100_ENABLE 0x2000
#define I82579_LPI_CTRL_1000_ENABLE 0x4000
#define I82579_LPI_CTRL_ENABLE_MASK 0x6000
-#define I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT 0x80
/* 82579 DFT Control */
#define I82579_DFT_CTRL PHY_REG(769, 20)
/* 82579 DFT Control */
#define I82579_DFT_CTRL PHY_REG(769, 20)
#define HV_M_STATUS_AUTONEG_COMPLETE 0x1000
#define HV_M_STATUS_SPEED_MASK 0x0300
#define HV_M_STATUS_SPEED_1000 0x0200
#define HV_M_STATUS_AUTONEG_COMPLETE 0x1000
#define HV_M_STATUS_SPEED_MASK 0x0300
#define HV_M_STATUS_SPEED_1000 0x0200
+#define HV_M_STATUS_SPEED_100 0x0100
#define HV_M_STATUS_LINK_UP 0x0040
#define IGP01E1000_PHY_PCS_INIT_REG 0x00B4
#define HV_M_STATUS_LINK_UP 0x0040
#define IGP01E1000_PHY_PCS_INIT_REG 0x00B4