MAC_Q0TFCR
axgbe_printf(1, "MAC Q0TFCR Reg (%08x) = %08x\n", MAC_Q0TFCR,
XGMAC_IOREAD(pdata, MAC_Q0TFCR));
reg = MAC_Q0TFCR;
XGMAC_SET_BITS(reg_val, MAC_Q0TFCR, TFE, 0);
reg = MAC_Q0TFCR;
XGMAC_SET_BITS(reg_val, MAC_Q0TFCR, TFE, 1);
XGMAC_SET_BITS(reg_val, MAC_Q0TFCR, PT, 0xffff);