EMAC_REG_EMAC_TX_MODE
elink_bits_en(cb, emac_base + EMAC_REG_EMAC_TX_MODE,
elink_bits_dis(cb, emac_base + EMAC_REG_EMAC_TX_MODE,
EMAC_REG_EMAC_TX_MODE,
elink_bits_en(cb, emac_base + EMAC_REG_EMAC_TX_MODE,