Changeset 6 for gpxe_study

Timestamp:

Feb 20, 2008, 2:37:45 PM (17 years ago)

Author:

wade

Message:

complete

File:

• gpxe_study/kernel_2.6.20_src/sis900.c (modified) (3 diffs)

gpxe_study/kernel_2.6.20_src/sis900.c

@@ -490 +490 @@
   sis_priv->mii_info.reg_num_mask = 0x1f;
 
-  /* Get Mac address according to the chip revision */
-  pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &(sis_priv->chipset_rev));
-  if(netif_msg_probe(sis_priv))
-    printk(KERN_DEBUG "%s: detected revision %2.2x, "
-        "trying to get MAC address...\n",
-        dev_name, sis_priv->chipset_rev);
-
-  ret = 0;
-  if (sis_priv->chipset_rev == SIS630E_900_REV)
-    ret = sis630e_get_mac_addr(pci_dev, net_dev);
-  else if ((sis_priv->chipset_rev > 0x81) && (sis_priv->chipset_rev <= 0x90) )
-    ret = sis635_get_mac_addr(pci_dev, net_dev);
-  else if (sis_priv->chipset_rev == SIS96x_900_REV)
-    ret = sis96x_get_mac_addr(pci_dev, net_dev);
-  else
-    ret = sis900_get_mac_addr(pci_dev, net_dev);
-
-  if (ret == 0) {
-    printk(KERN_WARNING "%s: Cannot read MAC address.\n", dev_name);
-    ret = -ENODEV;
-    goto err_unmap_rx;
-  }
-
-  /* 630ET : set the mii access mode as software-mode */
-  if (sis_priv->chipset_rev == SIS630ET_900_REV)
-    outl(ACCESSMODE | inl(ioaddr + cr), ioaddr + cr);
-
-  /* probe for mii transceiver */
-  if (sis900_mii_probe(net_dev) == 0) {
+    /* Get Mac address according to the chip revision */
+    pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &(sis_priv->chipset_rev));
+    if(netif_msg_probe(sis_priv))
+        printk(KERN_DEBUG "%s: detected revision %2.2x, "
+                "trying to get MAC address...\n",
+                dev_name, sis_priv->chipset_rev);
+
+    ret = 0;
+
+    if (sis_priv->chipset_rev == SIS630E_900_REV)
+        ret = sis630e_get_mac_addr(pci_dev, net_dev);
+    else if ((sis_priv->chipset_rev > 0x81) && (sis_priv->chipset_rev <= 0x90) )
+        ret = sis635_get_mac_addr(pci_dev, net_dev);
+    else if (sis_priv->chipset_rev == SIS96x_900_REV)
+  ret = sis96x_get_mac_addr(pci_dev, net_dev);
+    else
+        ret = sis900_get_mac_addr(pci_dev, net_dev);
+
+    if (ret == 0)
+    {
+        printk(KERN_WARNING "%s: Cannot read MAC address.\n", dev_name);
+        ret = -ENODEV;
+        goto err_unmap_rx;
+    }
+
+    /* 630ET : set the mii access mode as software-mode */
+    if (sis_priv->chipset_rev == SIS630ET_900_REV)
+  outl(ACCESSMODE | inl(ioaddr + cr), ioaddr + cr);
+
+
+    /* probe for mii transceiver */
+    if (sis900_mii_probe(net_dev) == 0) {
     printk(KERN_WARNING "%s: Error probing MII device.\n",
            dev_name);
@@ -1405 +1408 @@
 
 
+
+
+
+/*
+ *  sis900_read_mode - read media mode for sis900 internal phy
+ *  @net_dev: the net device to read mode for
+ *  @speed  : the transmit speed to be determined
+ *  @duplex : the duplex mode to be determined
+ *
+ *  The capability of remote end will be put in mii register autorec
+ *  after auto-negotiation. Use AND operation to get the upper bound
+ *  of speed and duplex between two ends.
+ */
+
+static void
+sis900_read_mode(struct net_device *net_dev, int *speed, int *duplex)
+{
+    int i = 0;
+    u32 status;
+    struct sis900_private *sis_priv = net_dev->priv;
+    struct mii_phy *phy = sis_priv->mii;
+    int phy_addr = sis_priv->cur_phy;
+    u16 autoadv, autorec;
+
+    while (i++ < 2)
+        status = mdio_read(net_dev, phy_addr, MII_STATUS);
+
+    if (!(status & MII_STAT_LINK))
+        return;
+    /* AutoNegotiate completed */
+    autoadv = mdio_read(net_dev, phy_addr, MII_ANADV);
+    autorec = mdio_read(net_dev, phy_addr, MII_ANLPAR);
+    status = autoadv & autorec;
+    *speed = HW_SPEED_10_MBPS;
+    *duplex = FDX_CAPABLE_HALF_SELECTED;
+    
+    if (status & (MII_NWAY_TX | MII_NWAY_TX_FDX))
+  *speed = HW_SPEED_100_MBPS;
+    if (status & ( MII_NWAY_TX_FDX | MII_NWAY_T_FDX))
+  *duplex = FDX_CAPABLE_FULL_SELECTED;
+  sis_priv->autong_complete = 1;
+
+    /* Workaround for Realtek RTL8201 PHY issue */
+    if ((phy->phy_id0 == 0x0000) && ((phy->phy_id1 & 0xFFF0) == 0x8200)) {
+        if (mdio_read(net_dev, phy_addr, MII_CONTROL) & MII_CNTL_FDX)
+            *duplex = FDX_CAPABLE_FULL_SELECTED;
+        if (mdio_read(net_dev, phy_addr, 0x0019) & 0x01)
+            *speed = HW_SPEED_100_MBPS;
+    }
+
+    if(netif_msg_link(sis_priv))
+        printk(KERN_INFO "%s: Media Link On %s %s-duplex \n",
+            net_dev->name,
+               *speed == HW_SPEED_100_MBPS ? 
+               "100mbps" : "10mbps",
+               *duplex == FDX_CAPABLE_FULL_SELECTED ?
+               "full" : "half");
+}
+
+
+
+/**
+ *  sis900_read_mode - read media mode for sis900 internal phy
+ *  @net_dev: the net device to read mode for
+ *  @speed  : the transmit speed to be determined
+ *  @duplex : the duplex mode to be determined
+ *
+ *  The capability of remote end will be put in mii register autorec
+ *  after auto-negotiation. Use AND operation to get the upper bound
+ *  of speed and duplex between two ends.
+ */
+
+static void sis900_read_mode(struct net_device *net_dev, int *speed, int *duplex)
+{
+  struct sis900_private *sis_priv = net_dev->priv;
+  struct mii_phy *phy = sis_priv->mii;
+  int phy_addr = sis_priv->cur_phy;
+  u32 status;
+  u16 autoadv, autorec;
+  int i = 0;
+
+  while (i++ < 2)
+    status = mdio_read(net_dev, phy_addr, MII_STATUS);
+
+  if (!(status & MII_STAT_LINK))
+    return;
+
+  /* AutoNegotiate completed */
+  autoadv = mdio_read(net_dev, phy_addr, MII_ANADV);
+  autorec = mdio_read(net_dev, phy_addr, MII_ANLPAR);
+  status = autoadv & autorec;
+
+  *speed = HW_SPEED_10_MBPS;
+  *duplex = FDX_CAPABLE_HALF_SELECTED;
+
+  if (status & (MII_NWAY_TX | MII_NWAY_TX_FDX))
+    *speed = HW_SPEED_100_MBPS;
+  if (status & ( MII_NWAY_TX_FDX | MII_NWAY_T_FDX))
+    *duplex = FDX_CAPABLE_FULL_SELECTED;
+
+  sis_priv->autong_complete = 1;
+
+  /* Workaround for Realtek RTL8201 PHY issue */
+  if ((phy->phy_id0 == 0x0000) && ((phy->phy_id1 & 0xFFF0) == 0x8200)) {
+    if (mdio_read(net_dev, phy_addr, MII_CONTROL) & MII_CNTL_FDX)
+      *duplex = FDX_CAPABLE_FULL_SELECTED;
+    if (mdio_read(net_dev, phy_addr, 0x0019) & 0x01)
+      *speed = HW_SPEED_100_MBPS;
+  }
+
+  if(netif_msg_link(sis_priv))
+    printk(KERN_INFO "%s: Media Link On %s %s-duplex \n",
+                net_dev->name,
+                *speed == HW_SPEED_100_MBPS ?
+                  "100mbps" : "10mbps",
+                *duplex == FDX_CAPABLE_FULL_SELECTED ?
+                  "full" : "half");
+}
+
 /**
  *  sis900_timer - sis900 timer routine
@@ -1554 +1676 @@
        MII_CNTL_AUTO | MII_CNTL_RST_AUTO);
   sis_priv->autong_complete = 0;
-}
-
-
-/**
- *  sis900_read_mode - read media mode for sis900 internal phy
- *  @net_dev: the net device to read mode for
- *  @speed  : the transmit speed to be determined
- *  @duplex : the duplex mode to be determined
- *
- *  The capability of remote end will be put in mii register autorec
- *  after auto-negotiation. Use AND operation to get the upper bound
- *  of speed and duplex between two ends.
- */
-
-static void sis900_read_mode(struct net_device *net_dev, int *speed, int *duplex)
-{
-  struct sis900_private *sis_priv = net_dev->priv;
-  struct mii_phy *phy = sis_priv->mii;
-  int phy_addr = sis_priv->cur_phy;
-  u32 status;
-  u16 autoadv, autorec;
-  int i = 0;
-
-  while (i++ < 2)
-    status = mdio_read(net_dev, phy_addr, MII_STATUS);
-
-  if (!(status & MII_STAT_LINK))
-    return;
-
-  /* AutoNegotiate completed */
-  autoadv = mdio_read(net_dev, phy_addr, MII_ANADV);
-  autorec = mdio_read(net_dev, phy_addr, MII_ANLPAR);
-  status = autoadv & autorec;
-
-  *speed = HW_SPEED_10_MBPS;
-  *duplex = FDX_CAPABLE_HALF_SELECTED;
-
-  if (status & (MII_NWAY_TX | MII_NWAY_TX_FDX))
-    *speed = HW_SPEED_100_MBPS;
-  if (status & ( MII_NWAY_TX_FDX | MII_NWAY_T_FDX))
-    *duplex = FDX_CAPABLE_FULL_SELECTED;
-
-  sis_priv->autong_complete = 1;
-
-  /* Workaround for Realtek RTL8201 PHY issue */
-  if ((phy->phy_id0 == 0x0000) && ((phy->phy_id1 & 0xFFF0) == 0x8200)) {
-    if (mdio_read(net_dev, phy_addr, MII_CONTROL) & MII_CNTL_FDX)
-      *duplex = FDX_CAPABLE_FULL_SELECTED;
-    if (mdio_read(net_dev, phy_addr, 0x0019) & 0x01)
-      *speed = HW_SPEED_100_MBPS;
-  }
-
-  if(netif_msg_link(sis_priv))
-    printk(KERN_INFO "%s: Media Link On %s %s-duplex \n",
-                net_dev->name,
-                *speed == HW_SPEED_100_MBPS ?
-                  "100mbps" : "10mbps",
-                *duplex == FDX_CAPABLE_FULL_SELECTED ?
-                  "full" : "half");
 }