From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sat, 14 Sep 2013 16:14:02 +0000 (+0000)
Subject: kernel: b53: add soft reset for BCM539x switches
X-Git-Tag: reboot~9305
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=2da56b4ebc89c145fd97aefcce7ac5d9616739f1;p=openwrt%2Fstaging%2Fblogic.git

kernel: b53: add soft reset for BCM539x switches

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 37987
---

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 25ab412f800e..d1fc930f270d 100644
--- 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 53da4064072b..308a729a3c7d 100644
--- 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 ||