static int dw_eth_init(struct eth_device *dev, bd_t *bis)
{
struct dw_eth_dev *priv = dev->priv;
struct eth_mac_regs *mac_p = priv->mac_regs_p;
struct eth_dma_regs *dma_p = priv->dma_regs_p;
u32 conf;
if (priv->phy_configured != 1)
configure_phy(dev);
/* Print link status only once */
if (!priv->link_printed) {
printf("ENET Speed is %d Mbps - %s duplex connection\n",
priv->speed, (priv->duplex == HALF) ? "HALF" : "FULL");
priv->link_printed = 1;
}
/* Reset ethernet hardware */
if (mac_reset(dev) < 0)
return -1;
/* Resore the HW MAC address as it has been lost during MAC reset */
dw_write_hwaddr(dev);
writel(FIXEDBURST | PRIORXTX_41 | BURST_16,
&dma_p->busmode);
writel(readl(&dma_p->opmode) | FLUSHTXFIFO | STOREFORWARD |
TXSECONDFRAME, &dma_p->opmode);
conf = FRAMEBURSTENABLE | DISABLERXOWN;
if (priv->speed != 1000)
conf |= MII_PORTSELECT;
if ((priv->interface != PHY_INTERFACE_MODE_MII) &&
(priv->interface != PHY_INTERFACE_MODE_GMII)) {
if (priv->speed == 100)
conf |= FES_100;
}
if (priv->duplex == FULL)
conf |= FULLDPLXMODE;
writel(conf, &mac_p->conf);
descs_init(dev);
/*
* Start/Enable xfer at dma as well as mac level
*/
writel(readl(&dma_p->opmode) | RXSTART, &dma_p->opmode);
writel(readl(&dma_p->opmode) | TXSTART, &dma_p->opmode);
writel(readl(&mac_p->conf) | RXENABLE | TXENABLE, &mac_p->conf);
return 0;
}
static int dw_eth_init(struct eth_device *dev, bd_t *bis)
{
struct dw_eth_dev *priv = dev->priv;
struct eth_mac_regs *mac_p = priv->mac_regs_p;
struct eth_dma_regs *dma_p = priv->dma_regs_p;
u32 conf;
if (priv->phy_configured != 1)
configure_phy(dev);
/* Reset ethernet hardware */
if (mac_reset(dev) < 0)
return -1;
/* Resore the HW MAC address as it has been lost during MAC reset */
dw_write_hwaddr(dev);
writel(FIXEDBURST | PRIORXTX_41 | BURST_16,
&dma_p->busmode);
writel(FLUSHTXFIFO | readl(&dma_p->opmode), &dma_p->opmode);
writel(STOREFORWARD | TXSECONDFRAME, &dma_p->opmode);
conf = FRAMEBURSTENABLE | DISABLERXOWN;
if (priv->speed != SPEED_1000M)
conf |= MII_PORTSELECT;
if (priv->duplex == FULL_DUPLEX)
conf |= FULLDPLXMODE;
writel(conf, &mac_p->conf);
descs_init(dev);
/*
* Start/Enable xfer at dma as well as mac level
*/
writel(readl(&dma_p->opmode) | RXSTART, &dma_p->opmode);
writel(readl(&dma_p->opmode) | TXSTART, &dma_p->opmode);
writel(readl(&mac_p->conf) | RXENABLE | TXENABLE, &mac_p->conf);
return 0;
}
static int dwc_ether_open(struct eth_device *dev)
{
struct dw_eth_dev *priv = dev->priv;
struct eth_mac_regs *mac_p = priv->mac_regs_p;
struct eth_dma_regs *dma_p = priv->dma_regs_p;
int ret;
ret = phy_device_connect(dev, &priv->miibus, priv->phy_addr,
dwc_update_linkspeed, 0, priv->interface);
if (ret)
return ret;
descs_init(dev);
/*
* Start/Enable xfer at dma as well as mac level
*/
writel(readl(&dma_p->opmode) | RXSTART, &dma_p->opmode);
writel(readl(&dma_p->opmode) | TXSTART, &dma_p->opmode);
writel(readl(&mac_p->conf) | RXENABLE | TXENABLE, &mac_p->conf);
return 0;
}
