etsec_mdio_read
uint32_t miimcom = etsec_mdio_read(mdio, MIIMCOM);
while (etsec_mdio_read(mdio, MIIMIND) != 0) {
*val = etsec_mdio_read(mdio, MIIMSTAT) &0xffff;
uint32_t miimcom = etsec_mdio_read(mdio, MIIMCOM);
while ((etsec_mdio_read(mdio, MIIMIND) & MIIMIND_BUSY) && --timo > 0) {