mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 09:12:39 +00:00
112 lines
2.5 KiB
Diff
112 lines
2.5 KiB
Diff
|
--- a/drivers/net/ethernet/atheros/ar231x/ar231x.c
|
||
|
|
+++ b/drivers/net/ethernet/atheros/ar231x/ar231x.c
|
||
|
|
@@ -135,6 +135,7 @@ static int ar231x_mdiobus_write(struct m
|
||
|
|
static int ar231x_mdiobus_reset(struct mii_bus *bus);
|
||
|
|
static int ar231x_mdiobus_probe(struct net_device *dev);
|
||
|
|
static void ar231x_adjust_link(struct net_device *dev);
|
||
|
|
+static bool no_phy;
|
||
|
|
|
||
|
|
#ifndef ERR
|
||
|
|
#define ERR(fmt, args...) printk("%s: " fmt, __func__, ##args)
|
||
|
|
@@ -167,6 +168,32 @@ static const struct net_device_ops ar231
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
+static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id)
|
||
|
|
+{
|
||
|
|
+ int phy_reg;
|
||
|
|
+
|
||
|
|
+ /**
|
||
|
|
+ * Grab the bits from PHYIR1, and put them
|
||
|
|
+ * in the upper half.
|
||
|
|
+ */
|
||
|
|
+ phy_reg = mdiobus_read(bus, addr, MII_PHYSID1);
|
||
|
|
+
|
||
|
|
+ if (phy_reg < 0)
|
||
|
|
+ return -EIO;
|
||
|
|
+
|
||
|
|
+ *phy_id = (phy_reg & 0xffff) << 16;
|
||
|
|
+
|
||
|
|
+ /* Grab the bits from PHYIR2, and put them in the lower half */
|
||
|
|
+ phy_reg = mdiobus_read(bus, addr, MII_PHYSID2);
|
||
|
|
+
|
||
|
|
+ if (phy_reg < 0)
|
||
|
|
+ return -EIO;
|
||
|
|
+
|
||
|
|
+ *phy_id |= (phy_reg & 0xffff);
|
||
|
|
+
|
||
|
|
+ return 0;
|
||
|
|
+}
|
||
|
|
+
|
||
|
|
static int ar231x_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct net_device *dev;
|
||
|
|
@@ -273,6 +300,24 @@ static int ar231x_probe(struct platform_
|
||
|
|
|
||
|
|
mdiobus_register(sp->mii_bus);
|
||
|
|
|
||
|
|
+ /**
|
||
|
|
+ * Workaround for Micrel switch, which is only available on
|
||
|
|
+ * one PHY and cannot be configured through MDIO.
|
||
|
|
+ */
|
||
|
|
+ if (!no_phy) {
|
||
|
|
+ u32 phy_id = 0;
|
||
|
|
+
|
||
|
|
+ get_phy_id(sp->mii_bus, 1, &phy_id);
|
||
|
|
+ if (phy_id == 0x00221450)
|
||
|
|
+ no_phy = true;
|
||
|
|
+ }
|
||
|
|
+ if (no_phy) {
|
||
|
|
+ sp->link = 1;
|
||
|
|
+ netif_carrier_on(dev);
|
||
|
|
+ return 0;
|
||
|
|
+ }
|
||
|
|
+ no_phy = true;
|
||
|
|
+
|
||
|
|
if (ar231x_mdiobus_probe(dev) != 0) {
|
||
|
|
printk(KERN_ERR "%s: mdiobus_probe failed\n", dev->name);
|
||
|
|
rx_tasklet_cleanup(dev);
|
||
|
|
@@ -326,8 +371,10 @@ static int ar231x_remove(struct platform
|
||
|
|
rx_tasklet_cleanup(dev);
|
||
|
|
ar231x_init_cleanup(dev);
|
||
|
|
unregister_netdev(dev);
|
||
|
|
- mdiobus_unregister(sp->mii_bus);
|
||
|
|
- mdiobus_free(sp->mii_bus);
|
||
|
|
+ if (sp->mii_bus) {
|
||
|
|
+ mdiobus_unregister(sp->mii_bus);
|
||
|
|
+ mdiobus_free(sp->mii_bus);
|
||
|
|
+ }
|
||
|
|
kfree(dev);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
@@ -870,7 +917,8 @@ static int ar231x_open(struct net_device
|
||
|
|
|
||
|
|
sp->eth_regs->mac_control |= MAC_CONTROL_RE;
|
||
|
|
|
||
|
|
- phy_start(sp->phy_dev);
|
||
|
|
+ if (sp->phy_dev)
|
||
|
|
+ phy_start(sp->phy_dev);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
@@ -951,7 +999,8 @@ static int ar231x_close(struct net_devic
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
- phy_stop(sp->phy_dev);
|
||
|
|
+ if (sp->phy_dev)
|
||
|
|
+ phy_stop(sp->phy_dev);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
@@ -995,6 +1044,9 @@ static int ar231x_ioctl(struct net_devic
|
||
|
|
{
|
||
|
|
struct ar231x_private *sp = netdev_priv(dev);
|
||
|
|
|
||
|
|
+ if (!sp->phy_dev)
|
||
|
|
+ return -ENODEV;
|
||
|
|
+
|
||
|
|
switch (cmd) {
|
||
|
|
case SIOCGMIIPHY:
|
||
|
|
case SIOCGMIIREG:
|