static int bcm_init(struct uec_mii_info *mii_info)
{
struct eth_device *edev = mii_info->dev;
uec_private_t *uec = edev->priv;
gbit_config_aneg(mii_info);
if ((uec->uec_info->enet_interface_type ==
PHY_INTERFACE_MODE_RGMII_RXID) &&
(uec->uec_info->speed == SPEED_1000)) {
u16 val;
int cnt = 50;
/* Wait for aneg to complete. */
do
val = uec_phy_read(mii_info, MII_BMSR);
while (--cnt && !(val & BMSR_ANEGCOMPLETE));
/* Set RDX clk delay. */
uec_phy_write(mii_info, 0x18, 0x7 | (7 << 12));
val = uec_phy_read(mii_info, 0x18);
/* Set RDX-RXC skew. */
val |= (1 << 8);
val |= (7 | (7 << 12));
/* Write bits 14:0. */
val |= (1 << 15);
uec_phy_write(mii_info, 0x18, val);
}
return 0;
}
static int marvell_config_aneg(struct gfar_mii_info *mii_info)
{
/* The Marvell PHY has an errata which requires
* that certain registers get written in order
* to restart autonegotiation */
phy_write(mii_info, MII_BMCR, BMCR_RESET);
phy_write(mii_info, 0x1d, 0x1f);
phy_write(mii_info, 0x1e, 0x200c);
phy_write(mii_info, 0x1d, 0x5);
phy_write(mii_info, 0x1e, 0);
phy_write(mii_info, 0x1e, 0x100);
gbit_config_aneg(mii_info);
return 0;
}
static int marvell_config_aneg(struct ugeth_mii_info *mii_info)
{
ugphy_vdbg("%s: IN", __FUNCTION__);
/* The Marvell PHY has an errata which requires
* that certain registers get written in order
* to restart autonegotiation */
ucc_geth_phy_write(mii_info, MII_BMCR, BMCR_RESET);
ucc_geth_phy_write(mii_info, 0x1d, 0x1f);
ucc_geth_phy_write(mii_info, 0x1e, 0x200c);
ucc_geth_phy_write(mii_info, 0x1d, 0x5);
ucc_geth_phy_write(mii_info, 0x1e, 0);
ucc_geth_phy_write(mii_info, 0x1e, 0x100);
gbit_config_aneg(mii_info);
return 0;
}
