linux/ixp4xx: add preliminary 2.6.37 kernel support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23964 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 119 insertions, 0 deletions

diff --git a/target/linux/ixp4xx/patches-2.6.37/205-npe_driver_separate_phy_functions.patch b/target/linux/ixp4xx/patches-2.6.37/205-npe_driver_separate_phy_functions.patch
new file mode 100644
index 0000000000..10e8cbe027
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.37/205-npe_driver_separate_phy_functions.patch
@@ -0,0 +1,119 @@
+--- a/drivers/net/arm/ixp4xx_eth.c
++++ b/drivers/net/arm/ixp4xx_eth.c
+@@ -397,6 +397,50 @@ static void ixp4xx_adjust_link(struct ne
+ 	       dev->name, port->speed, port->duplex ? "full" : "half");
+ }
+ 
++static int ixp4xx_phy_connect(struct net_device *dev)
++{
++	struct port *port = netdev_priv(dev);
++	struct eth_plat_info *plat = port->plat;
++	char phy_id[MII_BUS_ID_SIZE + 3];
++
++	snprintf(phy_id, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, "0", plat->phy);
++	port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link, 0,
++				   PHY_INTERFACE_MODE_MII);
++	if (IS_ERR(port->phydev)) {
++		printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
++		return PTR_ERR(port->phydev);
++	}
++
++	/* mask with MAC supported features */
++	port->phydev->supported &= PHY_BASIC_FEATURES;
++	port->phydev->advertising = port->phydev->supported;
++
++	port->phydev->irq = PHY_POLL;
++
++	return 0;
++}
++
++static void ixp4xx_phy_disconnect(struct net_device *dev)
++{
++	struct port *port = netdev_priv(dev);
++
++	phy_disconnect(port->phydev);
++}
++
++static void ixp4xx_phy_start(struct net_device *dev)
++{
++	struct port *port = netdev_priv(dev);
++
++	port->speed = 0;	/* force "link up" message */
++	phy_start(port->phydev);
++}
++
++static void ixp4xx_phy_stop(struct net_device *dev)
++{
++	struct port *port = netdev_priv(dev);
++
++	phy_stop(port->phydev);
++}
+ 
+ static inline void debug_pkt(struct net_device *dev, const char *func,
+ 			     u8 *data, int len)
+@@ -1020,8 +1064,7 @@ static int eth_open(struct net_device *d
+ 		return err;
+ 	}
+ 
+-	port->speed = 0;	/* force "link up" message */
+-	phy_start(port->phydev);
++	ixp4xx_phy_start(dev);
+ 
+ 	for (i = 0; i < ETH_ALEN; i++)
+ 		__raw_writel(dev->dev_addr[i], &port->regs->hw_addr[i]);
+@@ -1142,7 +1185,7 @@ static int eth_close(struct net_device *
+ 		printk(KERN_CRIT "%s: unable to disable loopback\n",
+ 		       dev->name);
+ 
+-	phy_stop(port->phydev);
++	ixp4xx_phy_stop(dev);
+ 
+ 	if (!ports_open)
+ 		qmgr_disable_irq(TXDONE_QUEUE);
+@@ -1168,7 +1211,6 @@ static int __devinit eth_init_one(struct
+ 	struct net_device *dev;
+ 	struct eth_plat_info *plat = pdev->dev.platform_data;
+ 	u32 regs_phys;
+-	char phy_id[MII_BUS_ID_SIZE + 3];
+ 	int err;
+ 
+ 	if (!(dev = alloc_etherdev(sizeof(struct port))))
+@@ -1226,18 +1268,10 @@ static int __devinit eth_init_one(struct
+ 	__raw_writel(DEFAULT_CORE_CNTRL, &port->regs->core_control);
+ 	udelay(50);
+ 
+-	snprintf(phy_id, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, "0", plat->phy);
+-	port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link, 0,
+-				   PHY_INTERFACE_MODE_MII);
+-	if ((err = IS_ERR(port->phydev)))
++	err = ixp4xx_phy_connect(dev);
++	if (err)
+ 		goto err_free_mem;
+ 
+-	/* mask with MAC supported features */
+-	port->phydev->supported &= PHY_BASIC_FEATURES;
+-	port->phydev->advertising = port->phydev->supported;
+-
+-	port->phydev->irq = PHY_POLL;
+-
+ 	if ((err = register_netdev(dev)))
+ 		goto err_phy_dis;
+ 
+@@ -1247,7 +1281,7 @@ static int __devinit eth_init_one(struct
+ 	return 0;
+ 
+ err_phy_dis:
+-	phy_disconnect(port->phydev);
++	ixp4xx_phy_disconnect(dev);
+ err_free_mem:
+ 	npe_port_tab[NPE_ID(port->id)] = NULL;
+ 	platform_set_drvdata(pdev, NULL);
+@@ -1265,7 +1299,7 @@ static int __devexit eth_remove_one(stru
+ 	struct port *port = netdev_priv(dev);
+ 
+ 	unregister_netdev(dev);
+-	phy_disconnect(port->phydev);
++	ixp4xx_phy_disconnect(dev);
+ 	npe_port_tab[NPE_ID(port->id)] = NULL;
+ 	platform_set_drvdata(pdev, NULL);
+ 	npe_release(port->npe);