int dp83848_init_phy(int phy_addr) { int ret = 1; if (!dp83848_get_link_speed(phy_addr)) { /* Try another time */ udelay(100000); ret = dp83848_get_link_speed(phy_addr); } /* Disable PHY Interrupts */ davinci_eth_phy_write(phy_addr, DP83848_PHY_INTR_CTRL_REG, 0); return(ret); }
int dp83848_auto_negotiate(int phy_addr) { u_int16_t tmp; if (!davinci_eth_phy_read(phy_addr, DP83848_CTL_REG, &tmp)) return(0); /* Restart Auto_negotiation */ tmp &= ~DP83848_AUTONEG; /* remove autonegotiation enable */ tmp |= DP83848_ISOLATE; /* Electrically isolate PHY */ davinci_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp); /* Set the Auto_negotiation Advertisement Register * MII advertising for Next page, 100BaseTxFD and HD, * 10BaseTFD and HD, IEEE 802.3 */ tmp = DP83848_NP | DP83848_TX_FDX | DP83848_TX_HDX | DP83848_10_FDX | DP83848_10_HDX | DP83848_AN_IEEE_802_3; davinci_eth_phy_write(phy_addr, DP83848_ANA_REG, tmp); /* Read Control Register */ if (!davinci_eth_phy_read(phy_addr, DP83848_CTL_REG, &tmp)) return(0); tmp |= DP83848_SPEED_SELECT | DP83848_AUTONEG | DP83848_DUPLEX_MODE; davinci_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp); /* Restart Auto_negotiation */ tmp |= DP83848_RESTART_AUTONEG; davinci_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp); /*check AutoNegotiate complete */ udelay(10000); if (!davinci_eth_phy_read(phy_addr, DP83848_STAT_REG, &tmp)) return(0); if (!(tmp & DP83848_AUTONEG_COMP)) return(0); return (dp83848_get_link_speed(phy_addr)); }
int ksz8873_auto_negotiate(int phy_addr) { return dp83848_get_link_speed(phy_addr); }