NGE_MEAR
CSR_WRITE_4(sc, NGE_MEAR, CSR_READ_4(sc, NGE_MEAR) | (x))
CSR_WRITE_4(sc, NGE_MEAR, CSR_READ_4(sc, NGE_MEAR) & ~(x))
CSR_WRITE_4(sc, NGE_MEAR, 0x00000000);
if (CSR_READ_4(sc, NGE_MEAR) & NGE_MEAR_EE_DOUT)
CSR_WRITE_4(sc, NGE_MEAR, 0);
ack = CSR_READ_4(sc, NGE_MEAR) & NGE_MEAR_MII_DATA;
if (CSR_READ_4(sc, NGE_MEAR) & NGE_MEAR_MII_DATA)