GMAC_TI_ST_CTRL
skge_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);
sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_STOP);
sky2_write8(hw, GMAC_TI_ST_CTRL, GMT_ST_CLR_IRQ);