linux/brcm47xx: add preliminary 2.6.37 kernel support

SVN-Revision: 23945

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])){