diff options
Diffstat (limited to 'drivers/net/forcedeth.c')
| -rw-r--r-- | drivers/net/forcedeth.c | 151 |
1 files changed, 134 insertions, 17 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 87af5e497c51..5472d12122b4 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -110,6 +110,7 @@ * 0.55: 22 Mar 2006: Add flow control (pause frame). * 0.56: 22 Mar 2006: Additional ethtool config and moduleparam support. * 0.57: 14 May 2006: Mac address set in probe/remove and order corrections. + * 0.58: 30 Oct 2006: Added support for sideband management unit. * * Known bugs: * We suspect that on some hardware no TX done interrupts are generated. @@ -126,7 +127,7 @@ #else #define DRIVERNAPI #endif -#define FORCEDETH_VERSION "0.57" +#define FORCEDETH_VERSION "0.58" #define DRV_NAME "forcedeth" #include <linux/module.h> @@ -174,6 +175,7 @@ #define DEV_HAS_PAUSEFRAME_TX 0x0200 /* device supports tx pause frames */ #define DEV_HAS_STATISTICS 0x0400 /* device supports hw statistics */ #define DEV_HAS_TEST_EXTENDED 0x0800 /* device supports extended diagnostic test */ +#define DEV_HAS_MGMT_UNIT 0x1000 /* device supports management unit */ enum { NvRegIrqStatus = 0x000, @@ -222,6 +224,15 @@ enum { #define NVREG_MAC_RESET_ASSERT 0x0F3 NvRegTransmitterControl = 0x084, #define NVREG_XMITCTL_START 0x01 +#define NVREG_XMITCTL_MGMT_ST 0x40000000 +#define NVREG_XMITCTL_SYNC_MASK 0x000f0000 +#define NVREG_XMITCTL_SYNC_NOT_READY 0x0 +#define NVREG_XMITCTL_SYNC_PHY_INIT 0x00040000 +#define NVREG_XMITCTL_MGMT_SEMA_MASK 0x00000f00 +#define NVREG_XMITCTL_MGMT_SEMA_FREE 0x0 +#define NVREG_XMITCTL_HOST_SEMA_MASK 0x0000f000 +#define NVREG_XMITCTL_HOST_SEMA_ACQ 0x0000f000 +#define NVREG_XMITCTL_HOST_LOADED 0x00004000 NvRegTransmitterStatus = 0x088, #define NVREG_XMITSTAT_BUSY 0x01 @@ -304,8 +315,8 @@ enum { #define NVREG_MIISTAT_LINKCHANGE 0x0008 #define NVREG_MIISTAT_MASK 0x000f #define NVREG_MIISTAT_MASK2 0x000f - NvRegUnknownSetupReg4 = 0x184, -#define NVREG_UNKSETUP4_VAL 8 + NvRegMIIMask = 0x184, +#define NVREG_MII_LINKCHANGE 0x0008 NvRegAdapterControl = 0x188, #define NVREG_ADAPTCTL_START 0x02 @@ -719,6 +730,7 @@ struct fe_priv { u32 driver_data; u32 register_size; int rx_csum; + u32 mac_in_use; void __iomem *base; @@ -4030,6 +4042,54 @@ static void nv_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) /* nothing to do */ }; +/* The mgmt unit and driver use a semaphore to access the phy during init */ +static int nv_mgmt_acquire_sema(struct net_device *dev) +{ + u8 __iomem *base = get_hwbase(dev); + int i; + u32 tx_ctrl, mgmt_sema; + + for (i = 0; i < 10; i++) { + mgmt_sema = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_MGMT_SEMA_MASK; + if (mgmt_sema == NVREG_XMITCTL_MGMT_SEMA_FREE) + break; + msleep(500); + } + + if (mgmt_sema != NVREG_XMITCTL_MGMT_SEMA_FREE) + return 0; + + for (i = 0; i < 2; i++) { + tx_ctrl = readl(base + NvRegTransmitterControl); + tx_ctrl |= NVREG_XMITCTL_HOST_SEMA_ACQ; + writel(tx_ctrl, base + NvRegTransmitterControl); + + /* verify that semaphore was acquired */ + tx_ctrl = readl(base + NvRegTransmitterControl); + if (((tx_ctrl & NVREG_XMITCTL_HOST_SEMA_MASK) == NVREG_XMITCTL_HOST_SEMA_ACQ) && + ((tx_ctrl & NVREG_XMITCTL_MGMT_SEMA_MASK) == NVREG_XMITCTL_MGMT_SEMA_FREE)) + return 1; + else + udelay(50); + } + + return 0; +} + +/* Indicate to mgmt unit whether driver is loaded or not */ +static void nv_mgmt_driver_loaded(struct net_device *dev, int loaded) +{ + u8 __iomem *base = get_hwbase(dev); + u32 tx_ctrl; + + tx_ctrl = readl(base + NvRegTransmitterControl); + if (loaded) + tx_ctrl |= NVREG_XMITCTL_HOST_LOADED; + else + tx_ctrl &= ~NVREG_XMITCTL_HOST_LOADED; + writel(tx_ctrl, base + NvRegTransmitterControl); +} + static int nv_open(struct net_device *dev) { struct fe_priv *np = netdev_priv(dev); @@ -4085,7 +4145,7 @@ static int nv_open(struct net_device *dev) NV_SETUP5_DELAY, NV_SETUP5_DELAYMAX, KERN_INFO "open: SetupReg5, Bit 31 remained off\n"); - writel(0, base + NvRegUnknownSetupReg4); + writel(0, base + NvRegMIIMask); writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus); @@ -4111,7 +4171,7 @@ static int nv_open(struct net_device *dev) writel((np->phyaddr << NVREG_ADAPTCTL_PHYSHIFT)|NVREG_ADAPTCTL_PHYVALID|NVREG_ADAPTCTL_RUNNING, base + NvRegAdapterControl); writel(NVREG_MIISPEED_BIT8|NVREG_MIIDELAY, base + NvRegMIISpeed); - writel(NVREG_UNKSETUP4_VAL, base + NvRegUnknownSetupReg4); + writel(NVREG_MII_LINKCHANGE, base + NvRegMIIMask); if (np->wolenabled) writel(NVREG_WAKEUPFLAGS_ENABLE , base + NvRegWakeUpFlags); @@ -4230,6 +4290,8 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i u8 __iomem *base; int err, i; u32 powerstate, txreg; + u32 phystate_orig = 0, phystate; + int phyinitialized = 0; dev = alloc_etherdev(sizeof(struct fe_priv)); err = -ENOMEM; @@ -4514,6 +4576,48 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i np->need_linktimer = 0; } + /* clear phy state and temporarily halt phy interrupts */ + writel(0, base + NvRegMIIMask); + phystate = readl(base + NvRegAdapterControl); + if (phystate & NVREG_ADAPTCTL_RUNNING) { + phystate_orig = 1; + phystate &= ~NVREG_ADAPTCTL_RUNNING; + writel(phystate, base + NvRegAdapterControl); + } + writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); + + if (id->driver_data & DEV_HAS_MGMT_UNIT) { + writel(0x1, base + 0x204); pci_push(base); + msleep(500); + /* management unit running on the mac? */ + np->mac_in_use = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_MGMT_ST; + if (np->mac_in_use) { + u32 mgmt_sync; + /* management unit setup the phy already? */ + mgmt_sync = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_MASK; + if (mgmt_sync == NVREG_XMITCTL_SYNC_NOT_READY) { + if (!nv_mgmt_acquire_sema(dev)) { + for (i = 0; i < 5000; i++) { + msleep(1); + mgmt_sync = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_MASK; + if (mgmt_sync == NVREG_XMITCTL_SYNC_NOT_READY) + continue; + if (mgmt_sync == NVREG_XMITCTL_SYNC_PHY_INIT) + phyinitialized = 1; + break; + } + } else { + /* we need to init the phy */ + } + } else if (mgmt_sync == NVREG_XMITCTL_SYNC_PHY_INIT) { + /* phy is inited by SMU */ + phyinitialized = 1; + } else { + /* we need to init the phy */ + } + } + } + /* find a suitable phy */ for (i = 1; i <= 32; i++) { int id1, id2; @@ -4545,8 +4649,14 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i goto out_error; } - /* reset it */ - phy_init(dev); + if (!phyinitialized) { + /* reset it */ + phy_init(dev); + } + + if (id->driver_data & DEV_HAS_MGMT_UNIT) { + nv_mgmt_driver_loaded(dev, 1); + } /* set default link speed settings */ np->linkspeed = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; @@ -4565,6 +4675,10 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i return 0; out_error: + if (phystate_orig) + writel(phystate|NVREG_ADAPTCTL_RUNNING, base + NvRegAdapterControl); + if (np->mac_in_use) + nv_mgmt_driver_loaded(dev, 0); pci_set_drvdata(pci_dev, NULL); out_freering: free_rings(dev); @@ -4594,6 +4708,9 @@ static void __devexit nv_remove(struct pci_dev *pci_dev) writel(np->orig_mac[0], base + NvRegMacAddrA); writel(np->orig_mac[1], base + NvRegMacAddrB); + if (np->mac_in_use) + nv_mgmt_driver_loaded(dev, 0); + /* free all structures */ free_rings(dev); iounmap(get_hwbase(dev)); @@ -4702,43 +4819,43 @@ static struct pci_device_id pci_tbl[] = { }, { /* MCP55 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP55 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP61 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_16), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP61 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_17), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP61 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_18), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP61 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_19), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP65 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_20), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP65 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_21), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP65 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_22), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, { /* MCP65 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_23), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, }, {0,}, }; |