/* configuration has to be done through the TSEC1 MIIM regs */
int read_phy_reg (struct eth_device *dev, int mii_id, int regnum)
{
uec_private_t *ugeth = (uec_private_t *) dev->priv;
uec_t *ug_regs;
enet_tbi_mii_reg_e mii_reg = (enet_tbi_mii_reg_e) regnum;
u32 tmp_reg;
u16 value;
ug_regs = ugeth->uec_regs;
/* Setting up the MII Mangement Address Register */
tmp_reg = ((u32) mii_id << MIIMADD_PHY_ADDRESS_SHIFT) | mii_reg;
out_be32 (&ug_regs->miimadd, tmp_reg);
/* Perform an MII management read cycle */
out_be32 (&ug_regs->miimcom, 0);
out_be32 (&ug_regs->miimcom, MIIMCOM_READ_CYCLE);
/* Wait till MII management write is complete */
while ((in_be32 (&ug_regs->miimind)) &
(MIIMIND_NOT_VALID | MIIMIND_BUSY));
udelay (100000);
/* Read MII management status */
value = (u16) in_be32 (&ug_regs->miimstat);
if (value == 0xffff)
ugphy_warn
("read wrong value : mii_id %d,mii_reg %d, base %08x",
mii_id, mii_reg, (u32) & (ug_regs->miimcfg));
return (value);
}
/* configuration has to be done through the TSEC1 MIIM regs */
int read_phy_reg(struct net_device *dev, int mii_id, int regnum)
{
struct ucc_geth_private *ugeth = netdev_priv(dev);
struct ucc_mii_mng *mii_regs;
enum enet_tbi_mii_reg mii_reg = (enum enet_tbi_mii_reg) regnum;
u32 tmp_reg;
u16 value;
ugphy_vdbg("%s: IN", __FUNCTION__);
spin_lock_irq(&ugeth->lock);
mii_regs = ugeth->mii_info->mii_regs;
/* Setting up the MII Mangement Address Register */
tmp_reg = ((u32) mii_id << MIIMADD_PHY_ADDRESS_SHIFT) | mii_reg;
out_be32(&mii_regs->miimadd, tmp_reg);
/* Perform an MII management read cycle */
out_be32(&mii_regs->miimcom, MIIMCOM_READ_CYCLE);
/* Wait till MII management write is complete */
while ((in_be32(&mii_regs->miimind)) & MIIMIND_BUSY)
cpu_relax();
udelay(10000);
/* Read MII management status */
value = (u16) in_be32(&mii_regs->miimstat);
out_be32(&mii_regs->miimcom, 0);
if (value == 0xffff)
ugphy_warn("read wrong value : mii_id %d,mii_reg %d, base %08x",
mii_id, mii_reg, (u32) & (mii_regs->miimcfg));
spin_unlock_irq(&ugeth->lock);
return (value);
}
