brcm47xx: add patches for kernel 2.6.36

[openwrt/svn-archive/archive.git] / target / linux / brcm47xx / patches-2.6.36 / 210-b44_phy_fix.patch

diff --git a/target/linux/brcm47xx/patches-2.6.36/210-b44_phy_fix.patch b/target/linux/brcm47xx/patches-2.6.36/210-b44_phy_fix.patch
new file mode 100644 (file)
index 0000000..6dda4b4
--- /dev/null
+++ b/target/linux/brcm47xx/patches-2.6.36/210-b44_phy_fix.patch
@@ -0,0 +1,92 @@
+--- a/drivers/net/b44.c
++++ b/drivers/net/b44.c
+@@ -381,11 +381,12 @@ static void b44_set_flow_ctrl(struct b44
+       __b44_set_flow_ctrl(bp, pause_enab);
+ }
+ 
+-#ifdef SSB_DRIVER_MIPS
+-extern char *nvram_get(char *name);
++#ifdef CONFIG_BCM47XX
++
++#include <asm/mach-bcm47xx/nvram.h>
+ static void b44_wap54g10_workaround(struct b44 *bp)
+ {
+-      const char *str;
++      char buf[20];
+       u32 val;
+       int err;
+ 
+@@ -394,10 +395,9 @@ static void b44_wap54g10_workaround(stru
+        * see https://dev.openwrt.org/ticket/146
+        * check and reset bit "isolate"
+        */
+-      str = nvram_get("boardnum");
+-      if (!str)
++      if (nvram_getenv("boardnum", buf, sizeof(buf)) > 0)
+               return;
+-      if (simple_strtoul(str, NULL, 0) == 2) {
++      if (simple_strtoul(buf, NULL, 0) == 2) {
+               err = __b44_readphy(bp, 0, MII_BMCR, &val);
+               if (err)
+                       goto error;
+@@ -412,10 +412,43 @@ static void b44_wap54g10_workaround(stru
+ error:
+       pr_warning("PHY: cannot reset MII transceiver isolate bit\n");
+ }
++
++static inline int startswith (const char *source, const char *cmp) 
++{ 
++       return !strncmp(source,cmp,strlen(cmp)); 
++}
++
++static inline void b44_bcm47xx_workarounds(struct b44 *bp)
++{
++      char buf[20];
++      /* Toshiba WRC-1000, Siemens SE505 v1, Askey RT-210W, RT-220W */
++      if (nvram_getenv("boardnum", buf, sizeof(buf)) > 0)
++              return;
++      if (simple_strtoul(buf, NULL, 0) == 100) {
++              bp->phy_addr = B44_PHY_ADDR_NO_PHY;
++      } else {
++              /* WL-HDD */
++              struct ssb_device *sdev = bp->sdev;
++              if (nvram_getenv("hardware_version", buf, sizeof(buf)) > 0)
++                      return;
++              if (startswith(buf, "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_wap54g10_workaround(struct b44 *bp)
+ {
+ }
++
++static inline void b44_bcm47xx_workarounds(struct b44 *bp)
++{
++}
+ #endif
+ 
+ static int b44_setup_phy(struct b44 *bp)
+@@ -424,6 +457,7 @@ static int b44_setup_phy(struct b44 *bp)
+       int err;
+ 
+       b44_wap54g10_workaround(bp);
++      b44_bcm47xx_workarounds(bp);
+ 
+       if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
+               return 0;
+@@ -2089,6 +2123,8 @@ static int __devinit b44_get_invariants(
+        * 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])){