AG71XX_REG_MII_CFG
ag71xx_wr(ag, AG71XX_REG_MII_CFG, t | MII_CFG_RESET);
ag71xx_wr(ag, AG71XX_REG_MII_CFG, t);
mii_reg = ag71xx_rr(ag, AG71XX_REG_MII_CFG);
ag71xx_wr(ag, AG71XX_REG_MII_CFG, mii_reg);