ADDRQ_STAT
val = readl(priv->port_base + ADDRQ_STAT) & TX_CNT_INUSE_MASK;
val = readl(priv->port_base + ADDRQ_STAT) & TX_CNT_INUSE_MASK;
while (readl(priv->port_base + ADDRQ_STAT) & BIT_RX_READY) {
val = readl(priv->port_base + ADDRQ_STAT);