XGMAC_DEF_FTOS
writel(XGMAC_DEF_FTOS, ioaddr + XGMAC_DMA_TBS_CTRL0);
writel(XGMAC_DEF_FTOS, ioaddr + XGMAC_DMA_TBS_CTRL1);
writel(XGMAC_DEF_FTOS, ioaddr + XGMAC_DMA_TBS_CTRL2);
writel(XGMAC_DEF_FTOS, ioaddr + XGMAC_DMA_TBS_CTRL3);