static void xgbe_serdes_complete_ratechange(struct xgbe_prv_data *pdata)
{
unsigned int wait;
u16 status;
/* Release Rx and Tx ratechange */
XSIR1_IOWRITE_BITS(pdata, SIR1_SPEED, RATECHANGE, 0);
/* Wait for Rx and Tx ready */
wait = XGBE_RATECHANGE_COUNT;
while (wait--) {
usleep_range(50, 75);
status = XSIR0_IOREAD(pdata, SIR0_STATUS);
if (XSIR_GET_BITS(status, SIR0_STATUS, RX_READY) &&
XSIR_GET_BITS(status, SIR0_STATUS, TX_READY))
goto rx_reset;
}
netif_dbg(pdata, link, pdata->netdev, "SerDes rx/tx not ready (%#hx)\n",
status);
rx_reset:
/* Perform Rx reset for the DFE changes */
XRXTX_IOWRITE_BITS(pdata, RXTX_REG6, RESETB_RXD, 0);
XRXTX_IOWRITE_BITS(pdata, RXTX_REG6, RESETB_RXD, 1);
}
static void amd_xgbe_phy_serdes_complete_ratechange(struct phy_device *phydev)
{
struct amd_xgbe_phy_priv *priv = phydev->priv;
unsigned int wait;
u16 status;
/* Release Rx and Tx ratechange */
XSIR1_IOWRITE_BITS(priv, SIR1_SPEED, RATECHANGE, 0);
/* Wait for Rx and Tx ready */
wait = XGBE_PHY_RATECHANGE_COUNT;
while (wait--) {
usleep_range(50, 75);
status = XSIR0_IOREAD(priv, SIR0_STATUS);
if (XSIR_GET_BITS(status, SIR0_STATUS, RX_READY) &&
XSIR_GET_BITS(status, SIR0_STATUS, TX_READY))
return;
}
netdev_dbg(phydev->attached_dev, "SerDes rx/tx not ready (%#hx)\n",
status);
}
