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authorAyaz Abdulla <aabdulla@nvidia.com>2007-07-15 06:51:03 -0400
committerJeff Garzik <jeff@garzik.org>2007-07-16 18:29:17 -0400
commitc5e3ae8823693b260ce1f217adca8add1bc0b3de (patch)
treed900b91574570a582cb16d958136f8c38abf14a4 /drivers/net/forcedeth.c
parentd215d8a269f397d303c3d5f7c74e98592e8284f1 (diff)
forcedeth bug fix: realtek phy
This patch contains errata fixes for the realtek phy. Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/forcedeth.c')
-rw-r--r--drivers/net/forcedeth.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index f66c521d429d..a361dba5ddaa 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -551,6 +551,7 @@ union ring_type {
#define PHY_OUI_MARVELL 0x5043
#define PHY_OUI_CICADA 0x03f1
#define PHY_OUI_VITESSE 0x01c1
+#define PHY_OUI_REALTEK 0x01c1
#define PHYID1_OUI_MASK 0x03ff
#define PHYID1_OUI_SHFT 6
#define PHYID2_OUI_MASK 0xfc00
@@ -580,6 +581,13 @@ union ring_type {
#define PHY_VITESSE_INIT8 0x0100
#define PHY_VITESSE_INIT9 0x8f82
#define PHY_VITESSE_INIT10 0x0
+#define PHY_REALTEK_INIT_REG1 0x1f
+#define PHY_REALTEK_INIT_REG2 0x19
+#define PHY_REALTEK_INIT_REG3 0x13
+#define PHY_REALTEK_INIT1 0x0000
+#define PHY_REALTEK_INIT2 0x8e00
+#define PHY_REALTEK_INIT3 0x0001
+#define PHY_REALTEK_INIT4 0xad17
#define PHY_GIGABIT 0x0100
@@ -1114,6 +1122,28 @@ static int phy_init(struct net_device *dev)
return PHY_ERROR;
}
}
+ if (np->phy_oui == PHY_OUI_REALTEK) {
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) {
+ printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG2, PHY_REALTEK_INIT2)) {
+ printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT3)) {
+ printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG3, PHY_REALTEK_INIT4)) {
+ printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) {
+ printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
+ }
/* set advertise register */
reg = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ);
@@ -1250,6 +1280,30 @@ static int phy_init(struct net_device *dev)
return PHY_ERROR;
}
}
+ if (np->phy_oui == PHY_OUI_REALTEK) {
+ /* reset could have cleared these out, set them back */
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) {
+ printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG2, PHY_REALTEK_INIT2)) {
+ printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT3)) {
+ printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG3, PHY_REALTEK_INIT4)) {
+ printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG1, PHY_REALTEK_INIT1)) {
+ printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
+ }
+
/* some phys clear out pause advertisment on reset, set it back */
mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg);