+ /* Check Basic Management Control Register first. */
+ if (miiphy_read (addr, PHY_BMCR, ®)) {
+ puts ("PHY speed read failed, assuming 10bT\n");
+ return (_10BASET);
+ }
+ /* Check if auto-negotiation is on. */
+ if ((reg & PHY_BMCR_AUTON) != 0) {
+ /* Get auto-negotiation results. */
+ if (miiphy_read (addr, PHY_ANLPAR, ®)) {
+ puts ("PHY AN speed read failed, assuming 10bT\n");
+ return (_10BASET);
+ }
+ if ((reg & PHY_ANLPAR_100) != 0) {
+ return (_100BASET);
+ } else {
+ return (_10BASET);
+ }
+ }
+ /* Get speed from basic control settings. */
+ else if (reg & PHY_BMCR_100MB) {