diff options
Diffstat (limited to 'drivers/net/skge.c')
| -rw-r--r-- | drivers/net/skge.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 572f121b1f4e..fe806dbc1914 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -2893,6 +2893,7 @@ static const char *skge_board_name(const struct skge_hw *hw) */ static int skge_reset(struct skge_hw *hw) { + u32 reg; u16 ctst; u8 t8, mac_cfg, pmd_type, phy_type; int i; @@ -2971,6 +2972,7 @@ static int skge_reset(struct skge_hw *hw) /* switch power to VCC (WA for VAUX problem) */ skge_write8(hw, B0_POWER_CTRL, PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON); + /* avoid boards with stuck Hardware error bits */ if ((skge_read32(hw, B0_ISRC) & IS_HW_ERR) && (skge_read32(hw, B0_HWE_ISRC) & IS_IRQ_SENSOR)) { @@ -2978,6 +2980,14 @@ static int skge_reset(struct skge_hw *hw) hw->intr_mask &= ~IS_HW_ERR; } + /* Clear PHY COMA */ + skge_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); + pci_read_config_dword(hw->pdev, PCI_DEV_REG1, ®); + reg &= ~PCI_PHY_COMA; + pci_write_config_dword(hw->pdev, PCI_DEV_REG1, reg); + skge_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); + + for (i = 0; i < hw->ports; i++) { skge_write16(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); skge_write16(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR); |