brcm47xx: fix ethernet link state (closes #7056)

SVN-Revision: 21042

diff --git a/target/linux/brcm47xx/patches-2.6.34/210-b44_phy_fix.patch b/target/linux/brcm47xx/patches-2.6.34/210-b44_phy_fix.patch
new file mode 100644 (file)
index 0000000..d2ce214
--- /dev/null
+++ b/target/linux/brcm47xx/patches-2.6.34/210-b44_phy_fix.patch
@@ -0,0 +1,78 @@
+--- drivers/net/b44.c.orig     2010-04-18 08:40:30.000000000 +0300
++++ drivers/net/b44.c  2010-04-18 10:53:47.000000000 +0300
+@@ -384,7 +384,7 @@
+       __b44_set_flow_ctrl(bp, pause_enab);
+ }
+ 
+-#ifdef SSB_DRIVER_MIPS
++#ifdef CONFIG_SSB_DRIVER_MIPS
+ extern char *nvram_get(char *name);
+ static void b44_wap54g10_workaround(struct b44 *bp)
+ {
+@@ -397,6 +397,7 @@
+        * see https://dev.openwrt.org/ticket/146
+        * check and reset bit "isolate"
+        */
++
+       str = nvram_get("boardnum");
+       if (!str)
+               return;
+@@ -421,12 +422,49 @@
+ }
+ #endif
+ 
++#ifdef CONFIG_SSB_DRIVER_MIPS
++static inline int startswith (const char *source, const char *cmp) 
++{ 
++      return !strncmp(source,cmp,strlen(cmp)); 
++}
++
++#define getvar(str) (nvram_get(str) ? : "")
++
++static inline void b44_bcm47xx_workarounds(struct b44 *bp)
++{
++      /*
++       * workaround for physical wiring in Linksys WRSL54GS
++       * see https://dev.openwrt.org/ticket/2662 and 3903
++       * eth1 PHY is probably on BCM5325 switch accessed via eth0
++       */
++
++      if (simple_strtoul(getvar("boardnum"), NULL, 0) == 42) {
++              bp->phy_addr = B44_PHY_ADDR_NO_PHY;
++      } else {
++              /* WL-HDD */
++              struct ssb_device *sdev = bp->sdev;
++              if (startswith(getvar("hardware_version"), "WL300-")) {
++                      if (sdev->bus->sprom.et0phyaddr == 0 &&
++                          sdev->bus->sprom.et1phyaddr == 1)
++                              bp->phy_addr = B44_PHY_ADDR_NO_PHY;
++              }
++      }
++      return;
++}
++
++#else
++static inline void b44_bcm47xx_workarounds(struct b44 *bp) 
++{ 
++}
++#endif
++
+ static int b44_setup_phy(struct b44 *bp)
+ {
+       u32 val;
+       int err;
+ 
+       b44_wap54g10_workaround(bp);
++      b44_bcm47xx_workarounds(bp);
+ 
+       if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
+               return 0;
+@@ -2089,6 +2127,8 @@
+        * valid PHY address. */
+       bp->phy_addr &= 0x1F;
+ 
++      b44_bcm47xx_workarounds(bp);
++
+       memcpy(bp->dev->dev_addr, addr, 6);
+ 
+       if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){