experimental multiphy support for 2.6.29

SVN-Revision: 15491

7 files changed, 394 insertions, 20 deletions

diff --git a/target/linux/ixp4xx/patches-2.6.29/204-npe_driver_ixp43x_support.patch b/target/linux/ixp4xx/patches-2.6.29/202-npe_driver_ixp43x_support.patch
index 7ac41e5982..7ac41e5982 100644
--- a/target/linux/ixp4xx/patches-2.6.29/204-npe_driver_ixp43x_support.patch
+++ b/target/linux/ixp4xx/patches-2.6.29/202-npe_driver_ixp43x_support.patch
diff --git a/target/linux/ixp4xx/patches-2.6.29/202-npe_driver_switch_support.patch b/target/linux/ixp4xx/patches-2.6.29/202-npe_driver_switch_support.patch
deleted file mode 100644
index ba1efd8430..0000000000
--- a/target/linux/ixp4xx/patches-2.6.29/202-npe_driver_switch_support.patch
+++ /dev/null
@@ -1,20 +0,0 @@
-TODO: take care of additional PHYs through the PHY abstraction layer
-
---- a/arch/arm/mach-ixp4xx/include/mach/platform.h
-+++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
-@@ -95,12 +95,15 @@ struct sys_timer;
- #define IXP4XX_ETH_NPEB		0x10
- #define IXP4XX_ETH_NPEC		0x20
- 
-+#define IXP4XX_ETH_PHY_MAX_ADDR	32
-+
- /* Information about built-in Ethernet MAC interfaces */
- struct eth_plat_info {
- 	u8 phy;		/* MII PHY ID, 0 - 31 */
- 	u8 rxq;		/* configurable, currently 0 - 31 only */
- 	u8 txreadyq;
- 	u8 hwaddr[6];
-+	u32 phy_mask;
- };
- 
- /* Information about built-in HSS (synchronous serial) interfaces */
diff --git a/target/linux/ixp4xx/patches-2.6.29/203-npe_driver_mask_phy_features.patch b/target/linux/ixp4xx/patches-2.6.29/203-npe_driver_mask_phy_features.patch
new file mode 100644
index 0000000000..0e8729ac20
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.29/203-npe_driver_mask_phy_features.patch
@@ -0,0 +1,13 @@
+--- a/drivers/net/arm/ixp4xx_eth.c
++++ b/drivers/net/arm/ixp4xx_eth.c
+@@ -1218,6 +1218,10 @@ static int __devinit eth_init_one(struct
+ 		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;
+ 
+ 	printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,
diff --git a/target/linux/ixp4xx/patches-2.6.29/204-npe_driver_add_missing_phy_disconnect.patch b/target/linux/ixp4xx/patches-2.6.29/204-npe_driver_add_missing_phy_disconnect.patch
new file mode 100644
index 0000000000..eb9cf869a2
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.29/204-npe_driver_add_missing_phy_disconnect.patch
@@ -0,0 +1,10 @@
+--- a/drivers/net/arm/ixp4xx_eth.c
++++ b/drivers/net/arm/ixp4xx_eth.c
+@@ -1243,6 +1243,7 @@ static int __devexit eth_remove_one(stru
+ 	struct net_device *dev = platform_get_drvdata(pdev);
+ 	struct port *port = netdev_priv(dev);
+ 
++	phy_disconnect(port->phydev);
+ 	unregister_netdev(dev);
+ 	npe_port_tab[NPE_ID(port->id)] = NULL;
+ 	platform_set_drvdata(pdev, NULL);
diff --git a/target/linux/ixp4xx/patches-2.6.29/205-npe_driver_separate_phy_functions.patch b/target/linux/ixp4xx/patches-2.6.29/205-npe_driver_separate_phy_functions.patch
new file mode 100644
index 0000000000..d3e6314a9d
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.29/205-npe_driver_separate_phy_functions.patch
@@ -0,0 +1,118 @@
+--- a/drivers/net/arm/ixp4xx_eth.c
++++ b/drivers/net/arm/ixp4xx_eth.c
+@@ -394,6 +394,53 @@ 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[BUS_ID_SIZE];
++
++	snprintf(phy_id, BUS_ID_SIZE, 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;
++
++	printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,
++	       npe_name(port->npe));
++
++	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)
+@@ -1001,8 +1048,7 @@ 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]);
+@@ -1123,7 +1169,7 @@ 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);
+@@ -1147,7 +1193,6 @@ 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[BUS_ID_SIZE];
+ 	int err;
+ 
+ 	if (!(dev = alloc_etherdev(sizeof(struct port))))
+@@ -1210,22 +1255,9 @@ static int __devinit eth_init_one(struct
+ 	__raw_writel(DEFAULT_CORE_CNTRL, &port->regs->core_control);
+ 	udelay(50);
+ 
+-	snprintf(phy_id, BUS_ID_SIZE, 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;
+-
+-	printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,
+-	       npe_name(port->npe));
++	err = ixp4xx_phy_connect(dev);
++	if (err)
++		goto err_unreg;
+ 
+ 	return 0;
+ 
+@@ -1243,7 +1275,7 @@ static int __devexit eth_remove_one(stru
+ 	struct net_device *dev = platform_get_drvdata(pdev);
+ 	struct port *port = netdev_priv(dev);
+ 
+-	phy_disconnect(port->phydev);
++	ixp4xx_phy_disconnect(dev);
+ 	unregister_netdev(dev);
+ 	npe_port_tab[NPE_ID(port->id)] = NULL;
+ 	platform_set_drvdata(pdev, NULL);
diff --git a/target/linux/ixp4xx/patches-2.6.29/206-npe_driver_add_update_link_function.patch b/target/linux/ixp4xx/patches-2.6.29/206-npe_driver_add_update_link_function.patch
new file mode 100644
index 0000000000..2071d23263
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.29/206-npe_driver_add_update_link_function.patch
@@ -0,0 +1,98 @@
+--- a/drivers/net/arm/ixp4xx_eth.c
++++ b/drivers/net/arm/ixp4xx_eth.c
+@@ -169,7 +169,7 @@ struct port {
+ 	struct desc *desc_tab;	/* coherent */
+ 	u32 desc_tab_phys;
+ 	int id;			/* logical port ID */
+-	int speed, duplex;
++	int link, speed, duplex;
+ 	u8 firmware[4];
+ };
+ 
+@@ -363,37 +363,52 @@ static void ixp4xx_mdio_remove(void)
+ 	mdiobus_free(mdio_bus);
+ }
+ 
+-
+-static void ixp4xx_adjust_link(struct net_device *dev)
++static void ixp4xx_update_link(struct net_device *dev)
+ {
+ 	struct port *port = netdev_priv(dev);
+-	struct phy_device *phydev = port->phydev;
+ 
+-	if (!phydev->link) {
+-		if (port->speed) {
+-			port->speed = 0;
+-			printk(KERN_INFO "%s: link down\n", dev->name);
+-		}
++	if (!port->link) {
++		netif_carrier_off(dev);
++		printk(KERN_INFO "%s: link down\n", dev->name);
+ 		return;
+ 	}
+ 
+-	if (port->speed == phydev->speed && port->duplex == phydev->duplex)
+-		return;
+-
+-	port->speed = phydev->speed;
+-	port->duplex = phydev->duplex;
+-
+-	if (port->duplex)
++	if (port->duplex == DUPLEX_FULL)
+ 		__raw_writel(DEFAULT_TX_CNTRL0 & ~TX_CNTRL0_HALFDUPLEX,
+ 			     &port->regs->tx_control[0]);
+ 	else
+ 		__raw_writel(DEFAULT_TX_CNTRL0 | TX_CNTRL0_HALFDUPLEX,
+ 			     &port->regs->tx_control[0]);
+ 
++	netif_carrier_on(dev);
+ 	printk(KERN_INFO "%s: link up, speed %u Mb/s, %s duplex\n",
+ 	       dev->name, port->speed, port->duplex ? "full" : "half");
+ }
+ 
++static void ixp4xx_adjust_link(struct net_device *dev)
++{
++	struct port *port = netdev_priv(dev);
++	struct phy_device *phydev = port->phydev;
++	int status_change = 0;
++
++	if (phydev->link) {
++		if (port->duplex != phydev->duplex
++		    || port->speed != phydev->speed) {
++			status_change = 1;
++		}
++	}
++
++	if (phydev->link != port->link)
++		status_change = 1;
++
++	port->link = phydev->link;
++	port->speed = phydev->speed;
++	port->duplex = phydev->duplex;
++
++	if (status_change)
++		ixp4xx_update_link(dev);
++}
++
+ static int ixp4xx_phy_connect(struct net_device *dev)
+ {
+ 	struct port *port = netdev_priv(dev);
+@@ -414,6 +429,10 @@ static int ixp4xx_phy_connect(struct net
+ 
+ 	port->phydev->irq = PHY_POLL;
+ 
++	port->link = 0;
++	port->speed = 0;
++	port->duplex = -1;
++
+ 	printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,
+ 	       npe_name(port->npe));
+ 
+@@ -431,7 +450,6 @@ static void ixp4xx_phy_start(struct net_
+ {
+ 	struct port *port = netdev_priv(dev);
+ 
+-	port->speed = 0;	/* force "link up" message */
+ 	phy_start(port->phydev);
+ }
+ 
diff --git a/target/linux/ixp4xx/patches-2.6.29/207-npe_driver_multiphy_support.patch b/target/linux/ixp4xx/patches-2.6.29/207-npe_driver_multiphy_support.patch
new file mode 100644
index 0000000000..89ff69f266
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.29/207-npe_driver_multiphy_support.patch
@@ -0,0 +1,155 @@
+TODO: take care of additional PHYs through the PHY abstraction layer
+
+--- a/arch/arm/mach-ixp4xx/include/mach/platform.h
++++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
+@@ -72,7 +72,7 @@ extern unsigned long ixp4xx_exp_bus_size
+ /*
+  * Clock Speed Definitions.
+  */
+-#define IXP4XX_PERIPHERAL_BUS_CLOCK 	(66) /* 66Mhzi APB BUS   */ 
++#define IXP4XX_PERIPHERAL_BUS_CLOCK 	(66) /* 66Mhzi APB BUS   */
+ #define IXP4XX_UART_XTAL        	14745600
+ 
+ /*
+@@ -95,12 +95,23 @@ struct sys_timer;
+ #define IXP4XX_ETH_NPEB		0x10
+ #define IXP4XX_ETH_NPEC		0x20
+ 
++#define IXP4XX_ETH_PHY_MAX_ADDR	32
++
+ /* Information about built-in Ethernet MAC interfaces */
+ struct eth_plat_info {
+ 	u8 phy;		/* MII PHY ID, 0 - 31 */
+ 	u8 rxq;		/* configurable, currently 0 - 31 only */
+ 	u8 txreadyq;
+ 	u8 hwaddr[6];
++
++	u32 phy_mask;
++#if 0
++	int speed;
++	int duplex;
++#else
++	int speed_10;
++	int half_duplex;
++#endif
+ };
+ 
+ /* Information about built-in HSS (synchronous serial) interfaces */
+--- a/drivers/net/arm/ixp4xx_eth.c
++++ b/drivers/net/arm/ixp4xx_eth.c
+@@ -415,6 +415,37 @@ static int ixp4xx_phy_connect(struct net
+ 	struct eth_plat_info *plat = port->plat;
+ 	char phy_id[BUS_ID_SIZE];
+ 
++	if (plat->phy == IXP4XX_ETH_PHY_MAX_ADDR) {
++#if 0
++		switch (plat->speed) {
++		case SPEED_10:
++		case SPEED_100:
++			break;
++		default:
++			printk(KERN_ERR "%s: invalid speed (%d)\n",
++					dev->name, plat->speed);
++			return -EINVAL;
++		}
++
++		switch (plat->duplex) {
++		case DUPLEX_HALF:
++		case DUPLEX_FULL:
++			break;
++		default:
++			printk(KERN_ERR "%s: invalid duplex mode (%d)\n",
++					dev->name, plat->duplex);
++			return -EINVAL;
++		}
++		port->speed = plat->speed;
++		port->duplex = plat->duplex;
++#else
++		port->speed = plat->speed_10 ? SPEED_10 : SPEED_100;
++		port->duplex = plat->half_duplex ? DUPLEX_HALF : DUPLEX_FULL;
++#endif
++
++		return 0;
++	}
++
+ 	snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, "0", plat->phy);
+ 	port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link, 0,
+ 				   PHY_INTERFACE_MODE_MII);
+@@ -443,21 +474,32 @@ static void ixp4xx_phy_disconnect(struct
+ {
+ 	struct port *port = netdev_priv(dev);
+ 
+-	phy_disconnect(port->phydev);
++	if (port->phydev)
++		phy_disconnect(port->phydev);
+ }
+ 
+ static void ixp4xx_phy_start(struct net_device *dev)
+ {
+ 	struct port *port = netdev_priv(dev);
+ 
+-	phy_start(port->phydev);
++	if (port->phydev) {
++		phy_start(port->phydev);
++	} else {
++		port->link = 1;
++		ixp4xx_update_link(dev);
++	}
+ }
+ 
+ static void ixp4xx_phy_stop(struct net_device *dev)
+ {
+ 	struct port *port = netdev_priv(dev);
+ 
+-	phy_stop(port->phydev);
++	if (port->phydev) {
++		phy_stop(port->phydev);
++	} else {
++		port->link = 0;
++		ixp4xx_update_link(dev);
++	}
+ }
+ 
+ static inline void debug_pkt(struct net_device *dev, const char *func,
+@@ -829,6 +871,10 @@ static int eth_ioctl(struct net_device *
+ 
+ 	if (!netif_running(dev))
+ 		return -EINVAL;
++
++	if (!port->phydev)
++		return -EOPNOTSUPP;
++
+ 	return phy_mii_ioctl(port->phydev, if_mii(req), cmd);
+ }
+ 
+@@ -848,18 +894,30 @@ static void ixp4xx_get_drvinfo(struct ne
+ static int ixp4xx_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+ {
+ 	struct port *port = netdev_priv(dev);
++
++	if (!port->phydev)
++		return -EOPNOTSUPP;
++
+ 	return phy_ethtool_gset(port->phydev, cmd);
+ }
+ 
+ static int ixp4xx_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+ {
+ 	struct port *port = netdev_priv(dev);
++
++	if (!port->phydev)
++		return -EOPNOTSUPP;
++
+ 	return phy_ethtool_sset(port->phydev, cmd);
+ }
+ 
+ static int ixp4xx_nway_reset(struct net_device *dev)
+ {
+ 	struct port *port = netdev_priv(dev);
++
++	if (!port->phydev)
++		return -EOPNOTSUPP;
++
+ 	return phy_start_aneg(port->phydev);
+ }
+