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brcm47xx: fix ethernet link state (closes #7056)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21042 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
acoul 2010-04-20 15:03:22 +00:00
parent b25baa66da
commit bd2694ed58
1 changed files with 78 additions and 0 deletions
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78
target/linux/brcm47xx/patches-2.6.34/210-b44_phy_fix.patch Normal file
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@ -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])){