kernel: b53: add soft reset for BCM539x switches

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37987 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic/files/drivers/net/phy/b53/b53_common.c b/target/linux/generic/files/drivers/net/phy/b53/b53_common.c
index 25ab412..d1fc930 100644 (file)
--- a/target/linux/generic/files/drivers/net/phy/b53/b53_common.c
+++ b/target/linux/generic/files/drivers/net/phy/b53/b53_common.c
@@ -477,6 +477,11 @@ static int b53_switch_reset(struct b53_device *dev)
 
        b53_switch_reset_gpio(dev);
 
+       if (is539x(dev)) {
+               b53_write8(dev, B53_CTRL_PAGE, B53_SOFTRESET, 0x83);
+               b53_write8(dev, B53_CTRL_PAGE, B53_SOFTRESET, 0x00);
+       }
+
        b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, &mgmt);
 
        if (!(mgmt & SM_SW_FWD_EN)) {

diff --git a/target/linux/generic/files/drivers/net/phy/b53/b53_priv.h b/target/linux/generic/files/drivers/net/phy/b53/b53_priv.h
index 53da406..308a729 100644 (file)
--- a/target/linux/generic/files/drivers/net/phy/b53/b53_priv.h
+++ b/target/linux/generic/files/drivers/net/phy/b53/b53_priv.h
@@ -122,6 +122,13 @@ static inline int is5397_98(struct b53_device *dev)
                dev->chip_id == BCM5398_DEVICE_ID;
 }
 
+static inline int is539x(struct b53_device *dev)
+{
+       return dev->chip_id == BCM5395_DEVICE_ID ||
+               dev->chip_id == BCM5397_DEVICE_ID ||
+               dev->chip_id == BCM5398_DEVICE_ID;
+}
+
 static inline int is531x5(struct b53_device *dev)
 {
        return dev->chip_id == BCM53115_DEVICE_ID ||