GMC_PAUSE_ON
skge_write32(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON | GMC_RST_CLR);
skge_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON);
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON);
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON);