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openwrt-xburst/target/linux/brcm47xx/patches-2.6.33/210-b44_phy_fix.patch
acoul cb28cad0c1 brcm47xx: fix phy isolation bit on Toshiba WRC-1000, Siemens SE505 v1, Askey RT-210W, RT-220W and alike boards (closes #6789)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21108 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-04-23 11:49:27 +00:00

87 lines
2.2 KiB
Diff

--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -339,7 +339,7 @@ static int b44_phy_reset(struct b44 *bp)
}
}
- return 0;
+ return err;
}
static void __b44_set_flow_ctrl(struct b44 *bp, u32 pause_flags)
@@ -384,7 +384,7 @@ static void b44_set_flow_ctrl(struct b44
__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)
{
@@ -421,12 +421,45 @@ static inline void b44_wap54g10_workarou
}
#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)
+{
+ /* Toshiba WRC-1000, Siemens SE505 v1, Askey RT-210W, RT-220W */
+ if (simple_strtoul(getvar("boardnum"), NULL, 0) == 100) {
+ 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;
@@ -2094,6 +2127,8 @@ 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])){
@@ -2223,6 +2258,10 @@ static int __devinit b44_init_one(struct
*/
b44_chip_reset(bp, B44_CHIP_RESET_FULL);
+ /* do a phy reset to test if there is an active phy */
+ if (b44_phy_reset(bp) < 0)
+ bp->phy_addr = B44_PHY_ADDR_NO_PHY;
+
printk(KERN_INFO "%s: Broadcom 44xx/47xx 10/100BaseT Ethernet %pM\n",
dev->name, dev->dev_addr);