#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/phy.h>
+#include <linux/fec.h>
#include <asm/cacheflush.h>
struct phy_device *phy_dev;
int mii_timeout;
uint phy_speed;
+ phy_interface_t phy_interface;
int index;
int link;
int full_duplex;
struct phy_device *phy_dev = NULL;
int phy_addr;
+ fep->phy_dev = NULL;
+
/* find the first phy */
for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
if (fep->mii_bus->phy_map[phy_addr]) {
fep->link = 0;
fep->full_duplex = 0;
+ printk(KERN_INFO "%s: Freescale FEC PHY driver [%s] "
+ "(mii_bus:phy_addr=%s, irq=%d)\n", dev->name,
+ fep->phy_dev->drv->name, dev_name(&fep->phy_dev->dev),
+ fep->phy_dev->irq);
+
return 0;
}
if (mdiobus_register(fep->mii_bus))
goto err_out_free_mdio_irq;
- if (fec_enet_mii_probe(dev) != 0)
- goto err_out_unregister_bus;
-
return 0;
-err_out_unregister_bus:
- mdiobus_unregister(fep->mii_bus);
err_out_free_mdio_irq:
kfree(fep->mii_bus->irq);
err_out_free_mdiobus:
if (ret)
return ret;
- /* schedule a link state check */
+ /* Probe and connect to PHY when open the interface */
+ ret = fec_enet_mii_probe(dev);
+ if (ret) {
+ fec_enet_free_buffers(dev);
+ return ret;
+ }
phy_start(fep->phy_dev);
netif_start_queue(dev);
fep->opened = 1;
/* Don't know what to do yet. */
fep->opened = 0;
- phy_stop(fep->phy_dev);
netif_stop_queue(dev);
fec_stop(dev);
+ if (fep->phy_dev)
+ phy_disconnect(fep->phy_dev);
+
fec_enet_free_buffers(dev);
return 0;
/* Set MII speed */
writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);
+#ifdef FEC_MIIGSK_ENR
+ if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) {
+ /* disable the gasket and wait */
+ writel(0, fep->hwp + FEC_MIIGSK_ENR);
+ while (readl(fep->hwp + FEC_MIIGSK_ENR) & 4)
+ udelay(1);
+
+ /* configure the gasket: RMII, 50 MHz, no loopback, no echo */
+ writel(1, fep->hwp + FEC_MIIGSK_CFGR);
+
+ /* re-enable the gasket */
+ writel(2, fep->hwp + FEC_MIIGSK_ENR);
+ }
+#endif
+
/* And last, enable the transmit and receive processing */
writel(2, fep->hwp + FEC_ECNTRL);
writel(0, fep->hwp + FEC_R_DES_ACTIVE);
fec_probe(struct platform_device *pdev)
{
struct fec_enet_private *fep;
+ struct fec_platform_data *pdata;
struct net_device *ndev;
int i, irq, ret = 0;
struct resource *r;
platform_set_drvdata(pdev, ndev);
+ pdata = pdev->dev.platform_data;
+ if (pdata)
+ fep->phy_interface = pdata->phy;
+
/* This device has up to three irqs on some platforms */
for (i = 0; i < 3; i++) {
irq = platform_get_irq(pdev, i);
if (ret)
goto failed_register;
- printk(KERN_INFO "%s: Freescale FEC PHY driver [%s] "
- "(mii_bus:phy_addr=%s, irq=%d)\n", ndev->name,
- fep->phy_dev->drv->name, dev_name(&fep->phy_dev->dev),
- fep->phy_dev->irq);
-
return 0;
failed_register: