ixp4xx: add v3.18 support

[openwrt/openwrt.git] / target / linux / ixp4xx / patches-3.18 / 207-npe_driver_multiphy_support.patch

diff --git a/target/linux/ixp4xx/patches-3.18/207-npe_driver_multiphy_support.patch b/target/linux/ixp4xx/patches-3.18/207-npe_driver_multiphy_support.patch
new file mode 100644 (file)
index 0000000..c1dda69
--- /dev/null
+++ b/target/linux/ixp4xx/patches-3.18/207-npe_driver_multiphy_support.patch
@@ -0,0 +1,154 @@
+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
+@@ -74,7 +74,7 @@ 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 ixp4xx_pata_data {
+ #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/ethernet/xscale/ixp4xx_eth.c
++++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
+@@ -614,6 +614,37 @@ static int ixp4xx_phy_connect(struct net
+       struct eth_plat_info *plat = port->plat;
+       char phy_id[MII_BUS_ID_SIZE + 3];
+ 
++      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, MII_BUS_ID_SIZE + 3, PHY_ID_FMT,
+               mdio_bus->id, plat->phy);
+       port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link,
+@@ -636,21 +667,32 @@ 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,
+@@ -1052,6 +1094,9 @@ static int eth_ioctl(struct net_device *
+                       return hwtstamp_get(dev, req);
+       }
+ 
++      if (!port->phydev)
++              return -EOPNOTSUPP;
++
+       return phy_mii_ioctl(port->phydev, req, cmd);
+ }
+ 
+@@ -1072,18 +1117,30 @@ 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);
+ }
+