/* Use the PHY ID registers to determine what type of PHY is attached
* to device dev. return a struct phy_info structure describing that PHY
*/
struct phy_info *get_phy_info (struct uec_mii_info *mii_info)
{
u16 phy_reg;
u32 phy_ID;
int i;
struct phy_info *theInfo = NULL;
/* Grab the bits from PHYIR1, and put them in the upper half */
phy_reg = phy_read (mii_info, PHY_PHYIDR1);
phy_ID = (phy_reg & 0xffff) << 16;
/* Grab the bits from PHYIR2, and put them in the lower half */
phy_reg = phy_read (mii_info, PHY_PHYIDR2);
phy_ID |= (phy_reg & 0xffff);
/* loop through all the known PHY types, and find one that */
/* matches the ID we read from the PHY. */
for (i = 0; phy_info[i]; i++)
if (phy_info[i]->phy_id ==
(phy_ID & phy_info[i]->phy_id_mask)) {
theInfo = phy_info[i];
break;
}
/* This shouldn't happen, as we have generic PHY support */
if (theInfo == NULL) {
ugphy_info ("UEC: PHY id %x is not supported!", phy_ID);
return NULL;
} else {
ugphy_info ("UEC: PHY is %s (%x)", theInfo->name, phy_ID);
}
return theInfo;
}
/* Use the PHY ID registers to determine what type of PHY is attached
* to device dev. return a struct phy_info structure describing that PHY
*/
struct phy_info *get_phy_info(struct ugeth_mii_info *mii_info)
{
u16 phy_reg;
u32 phy_ID;
int i;
struct phy_info *theInfo = NULL;
struct net_device *dev = mii_info->dev;
ugphy_vdbg("%s: IN", __FUNCTION__);
/* Grab the bits from PHYIR1, and put them in the upper half */
phy_reg = ucc_geth_phy_read(mii_info, MII_PHYSID1);
phy_ID = (phy_reg & 0xffff) << 16;
/* Grab the bits from PHYIR2, and put them in the lower half */
phy_reg = ucc_geth_phy_read(mii_info, MII_PHYSID2);
phy_ID |= (phy_reg & 0xffff);
/* loop through all the known PHY types, and find one that */
/* matches the ID we read from the PHY. */
for (i = 0; phy_info[i]; i++)
if (phy_info[i]->phy_id == (phy_ID & phy_info[i]->phy_id_mask)){
theInfo = phy_info[i];
break;
}
/* This shouldn't happen, as we have generic PHY support */
if (theInfo == NULL) {
ugphy_info("%s: PHY id %x is not supported!", dev->name,
phy_ID);
return NULL;
} else {
ugphy_info("%s: PHY is %s (%x)", dev->name, theInfo->name,
phy_ID);
}
return theInfo;
}
