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authorAlexandros C. Couloumbis <alex@ozo.com>2010-11-10 19:01:07 +0000
committerAlexandros C. Couloumbis <alex@ozo.com>2010-11-10 19:01:07 +0000
commitf950840ec9336184e78d331ff54508ffadd58429 (patch)
tree1d0fc85254098d0c258b1859293b9084cc2912d3 /target/linux/brcm47xx/patches-2.6.37/210-b44_phy_fix.patch
parent0c66bb9c5534b27bd4304ba4a65a3cc43fe77de5 (diff)
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linux/brcm47xx: add preliminary 2.6.37 kernel support
SVN-Revision: 23945
Diffstat (limited to 'target/linux/brcm47xx/patches-2.6.37/210-b44_phy_fix.patch')
-rw-r--r--target/linux/brcm47xx/patches-2.6.37/210-b44_phy_fix.patch92
1 files changed, 92 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.37/210-b44_phy_fix.patch b/target/linux/brcm47xx/patches-2.6.37/210-b44_phy_fix.patch
new file mode 100644
index 0000000000..6dda4b413e
--- /dev/null
+++ b/target/linux/brcm47xx/patches-2.6.37/210-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])){