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path: root/drivers/net/forcedeth.c
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Diffstat (limited to 'drivers/net/forcedeth.c')
-rw-r--r--drivers/net/forcedeth.c146
1 files changed, 120 insertions, 26 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 20d4fe96a81c..01b38b092c76 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -333,6 +333,7 @@ enum {
NvRegPowerState2 = 0x600,
#define NVREG_POWERSTATE2_POWERUP_MASK 0x0F11
#define NVREG_POWERSTATE2_POWERUP_REV_A3 0x0001
+#define NVREG_POWERSTATE2_PHY_RESET 0x0004
};
/* Big endian: should work, but is untested */
@@ -426,6 +427,7 @@ union ring_type {
#define NV_PCI_REGSZ_VER1 0x270
#define NV_PCI_REGSZ_VER2 0x2d4
#define NV_PCI_REGSZ_VER3 0x604
+#define NV_PCI_REGSZ_MAX 0x604
/* various timeout delays: all in usec */
#define NV_TXRX_RESET_DELAY 4
@@ -528,6 +530,7 @@ union ring_type {
#define PHY_REALTEK_INIT_REG4 0x14
#define PHY_REALTEK_INIT_REG5 0x18
#define PHY_REALTEK_INIT_REG6 0x11
+#define PHY_REALTEK_INIT_REG7 0x01
#define PHY_REALTEK_INIT1 0x0000
#define PHY_REALTEK_INIT2 0x8e00
#define PHY_REALTEK_INIT3 0x0001
@@ -536,6 +539,9 @@ union ring_type {
#define PHY_REALTEK_INIT6 0xf5c7
#define PHY_REALTEK_INIT7 0x1000
#define PHY_REALTEK_INIT8 0x0003
+#define PHY_REALTEK_INIT9 0x0008
+#define PHY_REALTEK_INIT10 0x0005
+#define PHY_REALTEK_INIT11 0x0200
#define PHY_REALTEK_INIT_MSK1 0x0003
#define PHY_GIGABIT 0x0100
@@ -784,6 +790,9 @@ struct fe_priv {
/* flow control */
u32 pause_flags;
+
+ /* power saved state */
+ u32 saved_config_space[NV_PCI_REGSZ_MAX/4];
};
/*
@@ -1145,6 +1154,42 @@ static int phy_init(struct net_device *dev)
return PHY_ERROR;
}
}
+ if (np->phy_model == PHY_MODEL_REALTEK_8211 &&
+ np->phy_rev == PHY_REV_REALTEK_8211C) {
+ u32 powerstate = readl(base + NvRegPowerState2);
+
+ /* need to perform hw phy reset */
+ powerstate |= NVREG_POWERSTATE2_PHY_RESET;
+ writel(powerstate, base + NvRegPowerState2);
+ msleep(25);
+
+ powerstate &= ~NVREG_POWERSTATE2_PHY_RESET;
+ writel(powerstate, base + NvRegPowerState2);
+ msleep(25);
+
+ reg = mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG6, MII_READ);
+ reg |= PHY_REALTEK_INIT9;
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG6, reg)) {
+ 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_INIT10)) {
+ printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
+ reg = mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG7, MII_READ);
+ if (!(reg & PHY_REALTEK_INIT11)) {
+ reg |= PHY_REALTEK_INIT11;
+ if (mii_rw(dev, np->phyaddr, PHY_REALTEK_INIT_REG7, reg)) {
+ 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;
+ }
+ }
if (np->phy_model == PHY_MODEL_REALTEK_8201) {
if (np->device_id == PCI_DEVICE_ID_NVIDIA_NVENET_32 ||
np->device_id == PCI_DEVICE_ID_NVIDIA_NVENET_33 ||
@@ -1197,12 +1242,23 @@ static int phy_init(struct net_device *dev)
mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ);
mii_control |= BMCR_ANENABLE;
- /* reset the phy
- * (certain phys need bmcr to be setup with reset)
- */
- if (phy_reset(dev, mii_control)) {
- printk(KERN_INFO "%s: phy reset failed\n", pci_name(np->pci_dev));
- return PHY_ERROR;
+ if (np->phy_oui == PHY_OUI_REALTEK &&
+ np->phy_model == PHY_MODEL_REALTEK_8211 &&
+ np->phy_rev == PHY_REV_REALTEK_8211C) {
+ /* start autoneg since we already performed hw reset above */
+ mii_control |= BMCR_ANRESTART;
+ if (mii_rw(dev, np->phyaddr, MII_BMCR, mii_control)) {
+ printk(KERN_INFO "%s: phy init failed\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
+ } else {
+ /* reset the phy
+ * (certain phys need bmcr to be setup with reset)
+ */
+ if (phy_reset(dev, mii_control)) {
+ printk(KERN_INFO "%s: phy reset failed\n", pci_name(np->pci_dev));
+ return PHY_ERROR;
+ }
}
/* phy vendor specific configuration */
@@ -2827,6 +2883,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
*/
nv_disable_irq(dev);
netif_tx_lock_bh(dev);
+ netif_addr_lock(dev);
spin_lock(&np->lock);
/* stop engines */
nv_stop_rxtx(dev);
@@ -2851,6 +2908,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
/* restart rx engine */
nv_start_rxtx(dev);
spin_unlock(&np->lock);
+ netif_addr_unlock(dev);
netif_tx_unlock_bh(dev);
nv_enable_irq(dev);
}
@@ -2887,6 +2945,7 @@ static int nv_set_mac_address(struct net_device *dev, void *addr)
if (netif_running(dev)) {
netif_tx_lock_bh(dev);
+ netif_addr_lock(dev);
spin_lock_irq(&np->lock);
/* stop rx engine */
@@ -2898,6 +2957,7 @@ static int nv_set_mac_address(struct net_device *dev, void *addr)
/* restart rx engine */
nv_start_rx(dev);
spin_unlock_irq(&np->lock);
+ netif_addr_unlock(dev);
netif_tx_unlock_bh(dev);
} else {
nv_copy_mac_to_hw(dev);
@@ -3967,6 +4027,7 @@ static void nv_do_nic_poll(unsigned long data)
printk(KERN_INFO "forcedeth: MAC in recoverable error state\n");
if (netif_running(dev)) {
netif_tx_lock_bh(dev);
+ netif_addr_lock(dev);
spin_lock(&np->lock);
/* stop engines */
nv_stop_rxtx(dev);
@@ -3991,6 +4052,7 @@ static void nv_do_nic_poll(unsigned long data)
/* restart rx engine */
nv_start_rxtx(dev);
spin_unlock(&np->lock);
+ netif_addr_unlock(dev);
netif_tx_unlock_bh(dev);
}
}
@@ -4198,6 +4260,7 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
nv_disable_irq(dev);
netif_tx_lock_bh(dev);
+ netif_addr_lock(dev);
/* with plain spinlock lockdep complains */
spin_lock_irqsave(&np->lock, flags);
/* stop engines */
@@ -4211,6 +4274,7 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
*/
nv_stop_rxtx(dev);
spin_unlock_irqrestore(&np->lock, flags);
+ netif_addr_unlock(dev);
netif_tx_unlock_bh(dev);
}
@@ -4356,10 +4420,12 @@ static int nv_nway_reset(struct net_device *dev)
if (netif_running(dev)) {
nv_disable_irq(dev);
netif_tx_lock_bh(dev);
+ netif_addr_lock(dev);
spin_lock(&np->lock);
/* stop engines */
nv_stop_rxtx(dev);
spin_unlock(&np->lock);
+ netif_addr_unlock(dev);
netif_tx_unlock_bh(dev);
printk(KERN_INFO "%s: link down.\n", dev->name);
}
@@ -4467,6 +4533,7 @@ static int nv_set_ringparam(struct net_device *dev, struct ethtool_ringparam* ri
if (netif_running(dev)) {
nv_disable_irq(dev);
netif_tx_lock_bh(dev);
+ netif_addr_lock(dev);
spin_lock(&np->lock);
/* stop engines */
nv_stop_rxtx(dev);
@@ -4515,6 +4582,7 @@ static int nv_set_ringparam(struct net_device *dev, struct ethtool_ringparam* ri
/* restart engines */
nv_start_rxtx(dev);
spin_unlock(&np->lock);
+ netif_addr_unlock(dev);
netif_tx_unlock_bh(dev);
nv_enable_irq(dev);
}
@@ -4552,10 +4620,12 @@ static int nv_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam*
if (netif_running(dev)) {
nv_disable_irq(dev);
netif_tx_lock_bh(dev);
+ netif_addr_lock(dev);
spin_lock(&np->lock);
/* stop engines */
nv_stop_rxtx(dev);
spin_unlock(&np->lock);
+ netif_addr_unlock(dev);
netif_tx_unlock_bh(dev);
}
@@ -4942,6 +5012,7 @@ static void nv_self_test(struct net_device *dev, struct ethtool_test *test, u64
napi_disable(&np->napi);
#endif
netif_tx_lock_bh(dev);
+ netif_addr_lock(dev);
spin_lock_irq(&np->lock);
nv_disable_hw_interrupts(dev, np->irqmask);
if (!(np->msi_flags & NV_MSI_X_ENABLED)) {
@@ -4955,6 +5026,7 @@ static void nv_self_test(struct net_device *dev, struct ethtool_test *test, u64
/* drain rx queue */
nv_drain_rxtx(dev);
spin_unlock_irq(&np->lock);
+ netif_addr_unlock(dev);
netif_tx_unlock_bh(dev);
}
@@ -5566,6 +5638,11 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
/* set mac address */
nv_copy_mac_to_hw(dev);
+ /* Workaround current PCI init glitch: wakeup bits aren't
+ * being set from PCI PM capability.
+ */
+ device_init_wakeup(&pci_dev->dev, 1);
+
/* disable WOL */
writel(0, base + NvRegWakeUpFlags);
np->wolenabled = 0;
@@ -5816,50 +5893,66 @@ static int nv_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct fe_priv *np = netdev_priv(dev);
+ u8 __iomem *base = get_hwbase(dev);
+ int i;
- if (!netif_running(dev))
- goto out;
-
+ if (netif_running(dev)) {
+ // Gross.
+ nv_close(dev);
+ }
netif_device_detach(dev);
- // Gross.
- nv_close(dev);
+ /* save non-pci configuration space */
+ for (i = 0;i <= np->register_size/sizeof(u32); i++)
+ np->saved_config_space[i] = readl(base + i*sizeof(u32));
pci_save_state(pdev);
pci_enable_wake(pdev, pci_choose_state(pdev, state), np->wolenabled);
+ pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
-out:
return 0;
}
static int nv_resume(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
+ struct fe_priv *np = netdev_priv(dev);
u8 __iomem *base = get_hwbase(dev);
- int rc = 0;
- u32 txreg;
-
- if (!netif_running(dev))
- goto out;
-
- netif_device_attach(dev);
+ int i, rc = 0;
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
+ /* ack any pending wake events, disable PME */
pci_enable_wake(pdev, PCI_D0, 0);
- /* restore mac address reverse flag */
- txreg = readl(base + NvRegTransmitPoll);
- txreg |= NVREG_TRANSMITPOLL_MAC_ADDR_REV;
- writel(txreg, base + NvRegTransmitPoll);
+ /* restore non-pci configuration space */
+ for (i = 0;i <= np->register_size/sizeof(u32); i++)
+ writel(np->saved_config_space[i], base+i*sizeof(u32));
- rc = nv_open(dev);
- nv_set_multicast(dev);
-out:
+ netif_device_attach(dev);
+ if (netif_running(dev)) {
+ rc = nv_open(dev);
+ nv_set_multicast(dev);
+ }
return rc;
}
+
+static void nv_shutdown(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct fe_priv *np = netdev_priv(dev);
+
+ if (netif_running(dev))
+ nv_close(dev);
+
+ pci_enable_wake(pdev, PCI_D3hot, np->wolenabled);
+ pci_enable_wake(pdev, PCI_D3cold, np->wolenabled);
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, PCI_D3hot);
+}
#else
#define nv_suspend NULL
+#define nv_shutdown NULL
#define nv_resume NULL
#endif /* CONFIG_PM */
@@ -6030,6 +6123,7 @@ static struct pci_driver driver = {
.remove = __devexit_p(nv_remove),
.suspend = nv_suspend,
.resume = nv_resume,
+ .shutdown = nv_shutdown,
};
static int __init init_nic(void)
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-23 02:22:16 +0100