-
-#if defined(CONFIG_CMD_MII)
-int au1x00_miiphy_read(char *devname, unsigned char addr,
- unsigned char reg, unsigned short * value)
-{
- volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
- volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
- u32 mii_control;
- unsigned int timedout = 20;
-
- while (*mii_control_reg & MAC_MII_BUSY) {
- udelay(1000);
- if (--timedout == 0) {
- printf("au1x00_eth: miiphy_read busy timeout!!\n");
- return -1;
- }
- }
-
- mii_control = MAC_SET_MII_SELECT_REG(reg) |
- MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_READ;
-
- *mii_control_reg = mii_control;
-
- timedout = 20;
- while (*mii_control_reg & MAC_MII_BUSY) {
- udelay(1000);
- if (--timedout == 0) {
- printf("au1x00_eth: miiphy_read busy timeout!!\n");
- return -1;
- }
- }
- *value = *mii_data_reg;
- return 0;
-}
-
-int au1x00_miiphy_write(char *devname, unsigned char addr,
- unsigned char reg, unsigned short value)
-{
- volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
- volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
- u32 mii_control;
- unsigned int timedout = 20;
-
- while (*mii_control_reg & MAC_MII_BUSY) {
- udelay(1000);
- if (--timedout == 0) {
- printf("au1x00_eth: miiphy_write busy timeout!!\n");
- return;
- }
- }
-
- mii_control = MAC_SET_MII_SELECT_REG(reg) |
- MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_WRITE;
-
- *mii_data_reg = value;
- *mii_control_reg = mii_control;
- return 0;
-}
-#endif
-
-#endif /* CONFIG_AU1X00 */