static enum amd_xgbe_phy_an amd_xgbe_an_tx_training(struct phy_device *phydev,
enum amd_xgbe_phy_rx *state)
{
struct amd_xgbe_phy_priv *priv = phydev->priv;
int ad_reg, lp_reg, ret;
*state = AMD_XGBE_RX_COMPLETE;
/* If we're not in KR mode then we're done */
if (!amd_xgbe_phy_in_kr_mode(phydev))
return AMD_XGBE_AN_PAGE_RECEIVED;
/* Enable/Disable FEC */
ad_reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2);
if (ad_reg < 0)
return AMD_XGBE_AN_ERROR;
lp_reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_LPA + 2);
if (lp_reg < 0)
return AMD_XGBE_AN_ERROR;
ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_FEC_CTRL);
if (ret < 0)
return AMD_XGBE_AN_ERROR;
ret &= ~XGBE_PHY_FEC_MASK;
if ((ad_reg & 0xc000) && (lp_reg & 0xc000))
ret |= priv->fec_ability;
phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_FEC_CTRL, ret);
/* Start KR training */
ret = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL);
if (ret < 0)
return AMD_XGBE_AN_ERROR;
if (ret & XGBE_PHY_KR_TRAINING_ENABLE) {
XSIR0_IOWRITE_BITS(priv, SIR0_KR_RT_1, RESET, 1);
ret |= XGBE_PHY_KR_TRAINING_START;
phy_write_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL,
ret);
XSIR0_IOWRITE_BITS(priv, SIR0_KR_RT_1, RESET, 0);
}
return AMD_XGBE_AN_PAGE_RECEIVED;
}
static enum xgbe_an xgbe_an_tx_training(struct xgbe_prv_data *pdata,
enum xgbe_rx *state)
{
unsigned int ad_reg, lp_reg, reg;
*state = XGBE_RX_COMPLETE;
/* If we're not in KR mode then we're done */
if (!xgbe_in_kr_mode(pdata))
return XGBE_AN_PAGE_RECEIVED;
/* Enable/Disable FEC */
ad_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2);
lp_reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_LPA + 2);
reg = XMDIO_READ(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_FECCTRL);
reg &= ~(MDIO_PMA_10GBR_FECABLE_ABLE | MDIO_PMA_10GBR_FECABLE_ERRABLE);
if ((ad_reg & 0xc000) && (lp_reg & 0xc000))
reg |= pdata->fec_ability;
XMDIO_WRITE(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_FECCTRL, reg);
/* Start KR training */
reg = XMDIO_READ(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL);
if (reg & XGBE_KR_TRAINING_ENABLE) {
XSIR0_IOWRITE_BITS(pdata, SIR0_KR_RT_1, RESET, 1);
reg |= XGBE_KR_TRAINING_START;
XMDIO_WRITE(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL,
reg);
XSIR0_IOWRITE_BITS(pdata, SIR0_KR_RT_1, RESET, 0);
netif_dbg(pdata, link, pdata->netdev,
"KR training initiated\n");
}
return XGBE_AN_PAGE_RECEIVED;
}
