diff options
Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/drivers/net/forcedeth.c')
| -rw-r--r-- | contrib/syslinux-4.02/gpxe/src/drivers/net/forcedeth.c | 1444 |
1 files changed, 1444 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/drivers/net/forcedeth.c b/contrib/syslinux-4.02/gpxe/src/drivers/net/forcedeth.c new file mode 100644 index 0000000..3d44d86 --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/drivers/net/forcedeth.c @@ -0,0 +1,1444 @@ +/************************************************************************** +* forcedeth.c -- Etherboot device driver for the NVIDIA nForce +* media access controllers. +* +* Note: This driver is based on the Linux driver that was based on +* a cleanroom reimplementation which was based on reverse +* engineered documentation written by Carl-Daniel Hailfinger +* and Andrew de Quincey. It's neither supported nor endorsed +* by NVIDIA Corp. Use at your own risk. +* +* Written 2004 by Timothy Legge <tlegge@rogers.com> +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +* +* Portions of this code based on: +* forcedeth: Ethernet driver for NVIDIA nForce media access controllers: +* +* (C) 2003 Manfred Spraul +* See Linux Driver for full information +* +* Linux Driver Version 0.30, 25 Sep 2004 +* Linux Kernel 2.6.10 +* +* +* REVISION HISTORY: +* ================ +* v1.0 01-31-2004 timlegge Initial port of Linux driver +* v1.1 02-03-2004 timlegge Large Clean up, first release +* v1.2 05-14-2005 timlegge Add Linux 0.22 to .030 features +* +* Indent Options: indent -kr -i8 +***************************************************************************/ + +FILE_LICENCE ( GPL2_OR_LATER ); + +/* to get some global routines like printf */ +#include "etherboot.h" +/* to get the interface to the body of the program */ +#include "nic.h" +/* to get the PCI support functions, if this is a PCI NIC */ +#include <gpxe/pci.h> +/* Include timer support functions */ +#include <gpxe/ethernet.h> +#include "mii.h" + +#define drv_version "v1.2" +#define drv_date "05-14-2005" + +//#define TFTM_DEBUG +#ifdef TFTM_DEBUG +#define dprintf(x) printf x +#else +#define dprintf(x) +#endif + +#define ETH_DATA_LEN 1500 + +/* Condensed operations for readability. */ +#define virt_to_le32desc(addr) cpu_to_le32(virt_to_bus(addr)) +#define le32desc_to_virt(addr) bus_to_virt(le32_to_cpu(addr)) + +static unsigned long BASE; +/* NIC specific static variables go here */ +#define PCI_DEVICE_ID_NVIDIA_NVENET_1 0x01c3 +#define PCI_DEVICE_ID_NVIDIA_NVENET_2 0x0066 +#define PCI_DEVICE_ID_NVIDIA_NVENET_4 0x0086 +#define PCI_DEVICE_ID_NVIDIA_NVENET_5 0x008c +#define PCI_DEVICE_ID_NVIDIA_NVENET_3 0x00d6 +#define PCI_DEVICE_ID_NVIDIA_NVENET_7 0x00df +#define PCI_DEVICE_ID_NVIDIA_NVENET_6 0x00e6 +#define PCI_DEVICE_ID_NVIDIA_NVENET_8 0x0056 +#define PCI_DEVICE_ID_NVIDIA_NVENET_9 0x0057 +#define PCI_DEVICE_ID_NVIDIA_NVENET_10 0x0037 +#define PCI_DEVICE_ID_NVIDIA_NVENET_11 0x0038 +#define PCI_DEVICE_ID_NVIDIA_NVENET_15 0x0373 + + +/* + * Hardware access: + */ + +#define DEV_NEED_LASTPACKET1 0x0001 /* set LASTPACKET1 in tx flags */ +#define DEV_IRQMASK_1 0x0002 /* use NVREG_IRQMASK_WANTED_1 for irq mask */ +#define DEV_IRQMASK_2 0x0004 /* use NVREG_IRQMASK_WANTED_2 for irq mask */ +#define DEV_NEED_TIMERIRQ 0x0008 /* set the timer irq flag in the irq mask */ +#define DEV_NEED_LINKTIMER 0x0010 /* poll link settings. Relies on the timer irq */ + +enum { + NvRegIrqStatus = 0x000, +#define NVREG_IRQSTAT_MIIEVENT 0040 +#define NVREG_IRQSTAT_MASK 0x1ff + NvRegIrqMask = 0x004, +#define NVREG_IRQ_RX_ERROR 0x0001 +#define NVREG_IRQ_RX 0x0002 +#define NVREG_IRQ_RX_NOBUF 0x0004 +#define NVREG_IRQ_TX_ERR 0x0008 +#define NVREG_IRQ_TX2 0x0010 +#define NVREG_IRQ_TIMER 0x0020 +#define NVREG_IRQ_LINK 0x0040 +#define NVREG_IRQ_TX1 0x0100 +#define NVREG_IRQMASK_WANTED_1 0x005f +#define NVREG_IRQMASK_WANTED_2 0x0147 +#define NVREG_IRQ_UNKNOWN (~(NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_TX_ERR|NVREG_IRQ_TX2|NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_TX1)) + + NvRegUnknownSetupReg6 = 0x008, +#define NVREG_UNKSETUP6_VAL 3 + +/* + * NVREG_POLL_DEFAULT is the interval length of the timer source on the nic + * NVREG_POLL_DEFAULT=97 would result in an interval length of 1 ms + */ + NvRegPollingInterval = 0x00c, +#define NVREG_POLL_DEFAULT 970 + NvRegMisc1 = 0x080, +#define NVREG_MISC1_HD 0x02 +#define NVREG_MISC1_FORCE 0x3b0f3c + + NvRegTransmitterControl = 0x084, +#define NVREG_XMITCTL_START 0x01 + NvRegTransmitterStatus = 0x088, +#define NVREG_XMITSTAT_BUSY 0x01 + + NvRegPacketFilterFlags = 0x8c, +#define NVREG_PFF_ALWAYS 0x7F0008 +#define NVREG_PFF_PROMISC 0x80 +#define NVREG_PFF_MYADDR 0x20 + + NvRegOffloadConfig = 0x90, +#define NVREG_OFFLOAD_HOMEPHY 0x601 +#define NVREG_OFFLOAD_NORMAL RX_NIC_BUFSIZE + NvRegReceiverControl = 0x094, +#define NVREG_RCVCTL_START 0x01 + NvRegReceiverStatus = 0x98, +#define NVREG_RCVSTAT_BUSY 0x01 + + NvRegRandomSeed = 0x9c, +#define NVREG_RNDSEED_MASK 0x00ff +#define NVREG_RNDSEED_FORCE 0x7f00 +#define NVREG_RNDSEED_FORCE2 0x2d00 +#define NVREG_RNDSEED_FORCE3 0x7400 + + NvRegUnknownSetupReg1 = 0xA0, +#define NVREG_UNKSETUP1_VAL 0x16070f + NvRegUnknownSetupReg2 = 0xA4, +#define NVREG_UNKSETUP2_VAL 0x16 + NvRegMacAddrA = 0xA8, + NvRegMacAddrB = 0xAC, + NvRegMulticastAddrA = 0xB0, +#define NVREG_MCASTADDRA_FORCE 0x01 + NvRegMulticastAddrB = 0xB4, + NvRegMulticastMaskA = 0xB8, + NvRegMulticastMaskB = 0xBC, + + NvRegPhyInterface = 0xC0, +#define PHY_RGMII 0x10000000 + + NvRegTxRingPhysAddr = 0x100, + NvRegRxRingPhysAddr = 0x104, + NvRegRingSizes = 0x108, +#define NVREG_RINGSZ_TXSHIFT 0 +#define NVREG_RINGSZ_RXSHIFT 16 + NvRegUnknownTransmitterReg = 0x10c, + NvRegLinkSpeed = 0x110, +#define NVREG_LINKSPEED_FORCE 0x10000 +#define NVREG_LINKSPEED_10 1000 +#define NVREG_LINKSPEED_100 100 +#define NVREG_LINKSPEED_1000 50 + NvRegUnknownSetupReg5 = 0x130, +#define NVREG_UNKSETUP5_BIT31 (1<<31) + NvRegUnknownSetupReg3 = 0x13c, +#define NVREG_UNKSETUP3_VAL1 0x200010 + NvRegTxRxControl = 0x144, +#define NVREG_TXRXCTL_KICK 0x0001 +#define NVREG_TXRXCTL_BIT1 0x0002 +#define NVREG_TXRXCTL_BIT2 0x0004 +#define NVREG_TXRXCTL_IDLE 0x0008 +#define NVREG_TXRXCTL_RESET 0x0010 +#define NVREG_TXRXCTL_RXCHECK 0x0400 + NvRegMIIStatus = 0x180, +#define NVREG_MIISTAT_ERROR 0x0001 +#define NVREG_MIISTAT_LINKCHANGE 0x0008 +#define NVREG_MIISTAT_MASK 0x000f +#define NVREG_MIISTAT_MASK2 0x000f + NvRegUnknownSetupReg4 = 0x184, +#define NVREG_UNKSETUP4_VAL 8 + + NvRegAdapterControl = 0x188, +#define NVREG_ADAPTCTL_START 0x02 +#define NVREG_ADAPTCTL_LINKUP 0x04 +#define NVREG_ADAPTCTL_PHYVALID 0x40000 +#define NVREG_ADAPTCTL_RUNNING 0x100000 +#define NVREG_ADAPTCTL_PHYSHIFT 24 + NvRegMIISpeed = 0x18c, +#define NVREG_MIISPEED_BIT8 (1<<8) +#define NVREG_MIIDELAY 5 + NvRegMIIControl = 0x190, +#define NVREG_MIICTL_INUSE 0x08000 +#define NVREG_MIICTL_WRITE 0x00400 +#define NVREG_MIICTL_ADDRSHIFT 5 + NvRegMIIData = 0x194, + NvRegWakeUpFlags = 0x200, +#define NVREG_WAKEUPFLAGS_VAL 0x7770 +#define NVREG_WAKEUPFLAGS_BUSYSHIFT 24 +#define NVREG_WAKEUPFLAGS_ENABLESHIFT 16 +#define NVREG_WAKEUPFLAGS_D3SHIFT 12 +#define NVREG_WAKEUPFLAGS_D2SHIFT 8 +#define NVREG_WAKEUPFLAGS_D1SHIFT 4 +#define NVREG_WAKEUPFLAGS_D0SHIFT 0 +#define NVREG_WAKEUPFLAGS_ACCEPT_MAGPAT 0x01 +#define NVREG_WAKEUPFLAGS_ACCEPT_WAKEUPPAT 0x02 +#define NVREG_WAKEUPFLAGS_ACCEPT_LINKCHANGE 0x04 +#define NVREG_WAKEUPFLAGS_ENABLE 0x1111 + + NvRegPatternCRC = 0x204, + NvRegPatternMask = 0x208, + NvRegPowerCap = 0x268, +#define NVREG_POWERCAP_D3SUPP (1<<30) +#define NVREG_POWERCAP_D2SUPP (1<<26) +#define NVREG_POWERCAP_D1SUPP (1<<25) + NvRegPowerState = 0x26c, +#define NVREG_POWERSTATE_POWEREDUP 0x8000 +#define NVREG_POWERSTATE_VALID 0x0100 +#define NVREG_POWERSTATE_MASK 0x0003 +#define NVREG_POWERSTATE_D0 0x0000 +#define NVREG_POWERSTATE_D1 0x0001 +#define NVREG_POWERSTATE_D2 0x0002 +#define NVREG_POWERSTATE_D3 0x0003 +}; + +#define FLAG_MASK_V1 0xffff0000 +#define FLAG_MASK_V2 0xffffc000 +#define LEN_MASK_V1 (0xffffffff ^ FLAG_MASK_V1) +#define LEN_MASK_V2 (0xffffffff ^ FLAG_MASK_V2) + +#define NV_TX_LASTPACKET (1<<16) +#define NV_TX_RETRYERROR (1<<19) +#define NV_TX_LASTPACKET1 (1<<24) +#define NV_TX_DEFERRED (1<<26) +#define NV_TX_CARRIERLOST (1<<27) +#define NV_TX_LATECOLLISION (1<<28) +#define NV_TX_UNDERFLOW (1<<29) +#define NV_TX_ERROR (1<<30) +#define NV_TX_VALID (1<<31) + +#define NV_TX2_LASTPACKET (1<<29) +#define NV_TX2_RETRYERROR (1<<18) +#define NV_TX2_LASTPACKET1 (1<<23) +#define NV_TX2_DEFERRED (1<<25) +#define NV_TX2_CARRIERLOST (1<<26) +#define NV_TX2_LATECOLLISION (1<<27) +#define NV_TX2_UNDERFLOW (1<<28) +/* error and valid are the same for both */ +#define NV_TX2_ERROR (1<<30) +#define NV_TX2_VALID (1<<31) + +#define NV_RX_DESCRIPTORVALID (1<<16) +#define NV_RX_MISSEDFRAME (1<<17) +#define NV_RX_SUBSTRACT1 (1<<18) +#define NV_RX_ERROR1 (1<<23) +#define NV_RX_ERROR2 (1<<24) +#define NV_RX_ERROR3 (1<<25) +#define NV_RX_ERROR4 (1<<26) +#define NV_RX_CRCERR (1<<27) +#define NV_RX_OVERFLOW (1<<28) +#define NV_RX_FRAMINGERR (1<<29) +#define NV_RX_ERROR (1<<30) +#define NV_RX_AVAIL (1<<31) + +#define NV_RX2_CHECKSUMMASK (0x1C000000) +#define NV_RX2_CHECKSUMOK1 (0x10000000) +#define NV_RX2_CHECKSUMOK2 (0x14000000) +#define NV_RX2_CHECKSUMOK3 (0x18000000) +#define NV_RX2_DESCRIPTORVALID (1<<29) +#define NV_RX2_SUBSTRACT1 (1<<25) +#define NV_RX2_ERROR1 (1<<18) +#define NV_RX2_ERROR2 (1<<19) +#define NV_RX2_ERROR3 (1<<20) +#define NV_RX2_ERROR4 (1<<21) +#define NV_RX2_CRCERR (1<<22) +#define NV_RX2_OVERFLOW (1<<23) +#define NV_RX2_FRAMINGERR (1<<24) +/* error and avail are the same for both */ +#define NV_RX2_ERROR (1<<30) +#define NV_RX2_AVAIL (1<<31) + +/* Miscelaneous hardware related defines: */ +#define NV_PCI_REGSZ 0x270 + +/* various timeout delays: all in usec */ +#define NV_TXRX_RESET_DELAY 4 +#define NV_TXSTOP_DELAY1 10 +#define NV_TXSTOP_DELAY1MAX 500000 +#define NV_TXSTOP_DELAY2 100 +#define NV_RXSTOP_DELAY1 10 +#define NV_RXSTOP_DELAY1MAX 500000 +#define NV_RXSTOP_DELAY2 100 +#define NV_SETUP5_DELAY 5 +#define NV_SETUP5_DELAYMAX 50000 +#define NV_POWERUP_DELAY 5 +#define NV_POWERUP_DELAYMAX 5000 +#define NV_MIIBUSY_DELAY 50 +#define NV_MIIPHY_DELAY 10 +#define NV_MIIPHY_DELAYMAX 10000 + +#define NV_WAKEUPPATTERNS 5 +#define NV_WAKEUPMASKENTRIES 4 + +/* General driver defaults */ +#define NV_WATCHDOG_TIMEO (5*HZ) + +#define RX_RING 4 +#define TX_RING 2 + +/* + * If your nic mysteriously hangs then try to reduce the limits + * to 1/0: It might be required to set NV_TX_LASTPACKET in the + * last valid ring entry. But this would be impossible to + * implement - probably a disassembly error. + */ +#define TX_LIMIT_STOP 63 +#define TX_LIMIT_START 62 + +/* rx/tx mac addr + type + vlan + align + slack*/ +#define RX_NIC_BUFSIZE (ETH_DATA_LEN + 64) +/* even more slack */ +#define RX_ALLOC_BUFSIZE (ETH_DATA_LEN + 128) + +#define OOM_REFILL (1+HZ/20) +#define POLL_WAIT (1+HZ/100) +#define LINK_TIMEOUT (3*HZ) + +/* + * desc_ver values: + * This field has two purposes: + * - Newer nics uses a different ring layout. The layout is selected by + * comparing np->desc_ver with DESC_VER_xy. + * - It contains bits that are forced on when writing to NvRegTxRxControl. + */ +#define DESC_VER_1 0x0 +#define DESC_VER_2 (0x02100|NVREG_TXRXCTL_RXCHECK) + +/* PHY defines */ +#define PHY_OUI_MARVELL 0x5043 +#define PHY_OUI_CICADA 0x03f1 +#define PHYID1_OUI_MASK 0x03ff +#define PHYID1_OUI_SHFT 6 +#define PHYID2_OUI_MASK 0xfc00 +#define PHYID2_OUI_SHFT 10 +#define PHY_INIT1 0x0f000 +#define PHY_INIT2 0x0e00 +#define PHY_INIT3 0x01000 +#define PHY_INIT4 0x0200 +#define PHY_INIT5 0x0004 +#define PHY_INIT6 0x02000 +#define PHY_GIGABIT 0x0100 + +#define PHY_TIMEOUT 0x1 +#define PHY_ERROR 0x2 + +#define PHY_100 0x1 +#define PHY_1000 0x2 +#define PHY_HALF 0x100 + + +/* Bit to know if MAC addr is stored in correct order */ +#define MAC_ADDR_CORRECT 0x01 + +/* Big endian: should work, but is untested */ +struct ring_desc { + u32 PacketBuffer; + u32 FlagLen; +}; + + +/* Define the TX and RX Descriptor and Buffers */ +struct { + struct ring_desc tx_ring[TX_RING]; + unsigned char txb[TX_RING * RX_NIC_BUFSIZE]; + struct ring_desc rx_ring[RX_RING]; + unsigned char rxb[RX_RING * RX_NIC_BUFSIZE]; +} forcedeth_bufs __shared; +#define tx_ring forcedeth_bufs.tx_ring +#define rx_ring forcedeth_bufs.rx_ring +#define txb forcedeth_bufs.txb +#define rxb forcedeth_bufs.rxb + +/* Private Storage for the NIC */ +static struct forcedeth_private { + /* General data: + * Locking: spin_lock(&np->lock); */ + int in_shutdown; + u32 linkspeed; + int duplex; + int phyaddr; + int wolenabled; + unsigned int phy_oui; + u16 gigabit; + + /* General data: RO fields */ + u8 *ring_addr; + u32 orig_mac[2]; + u32 irqmask; + u32 desc_ver; + /* rx specific fields. + * Locking: Within irq hander or disable_irq+spin_lock(&np->lock); + */ + unsigned int cur_rx, refill_rx; + + /* + * tx specific fields. + */ + unsigned int next_tx, nic_tx; + u32 tx_flags; +} npx; + +static struct forcedeth_private *np; + +static inline void pci_push(u8 * base) +{ + /* force out pending posted writes */ + readl(base); +} + +static inline u32 nv_descr_getlength(struct ring_desc *prd, u32 v) +{ + return le32_to_cpu(prd->FlagLen) + & ((v == DESC_VER_1) ? LEN_MASK_V1 : LEN_MASK_V2); +} + +static int reg_delay(int offset, u32 mask, + u32 target, int delay, int delaymax, const char *msg) +{ + u8 *base = (u8 *) BASE; + + pci_push(base); + do { + udelay(delay); + delaymax -= delay; + if (delaymax < 0) { + if (msg) + printf("%s", msg); + return 1; + } + } while ((readl(base + offset) & mask) != target); + return 0; +} + +#define MII_READ (-1) + +/* mii_rw: read/write a register on the PHY. + * + * Caller must guarantee serialization + */ +static int mii_rw(struct nic *nic __unused, int addr, int miireg, + int value) +{ + u8 *base = (u8 *) BASE; + u32 reg; + int retval; + + writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); + + reg = readl(base + NvRegMIIControl); + if (reg & NVREG_MIICTL_INUSE) { + writel(NVREG_MIICTL_INUSE, base + NvRegMIIControl); + udelay(NV_MIIBUSY_DELAY); + } + + reg = + (addr << NVREG_MIICTL_ADDRSHIFT) | miireg; + if (value != MII_READ) { + writel(value, base + NvRegMIIData); + reg |= NVREG_MIICTL_WRITE; + } + writel(reg, base + NvRegMIIControl); + + if (reg_delay(NvRegMIIControl, NVREG_MIICTL_INUSE, 0, + NV_MIIPHY_DELAY, NV_MIIPHY_DELAYMAX, NULL)) { + dprintf(("mii_rw of reg %d at PHY %d timed out.\n", + miireg, addr)); + retval = -1; + } else if (value != MII_READ) { + /* it was a write operation - fewer failures are detectable */ + dprintf(("mii_rw wrote 0x%x to reg %d at PHY %d\n", + value, miireg, addr)); + retval = 0; + } else if (readl(base + NvRegMIIStatus) & NVREG_MIISTAT_ERROR) { + dprintf(("mii_rw of reg %d at PHY %d failed.\n", + miireg, addr)); + retval = -1; + } else { + retval = readl(base + NvRegMIIData); + dprintf(("mii_rw read from reg %d at PHY %d: 0x%x.\n", + miireg, addr, retval)); + } + return retval; +} + +static int phy_reset(struct nic *nic) +{ + + u32 miicontrol; + unsigned int tries = 0; + + miicontrol = mii_rw(nic, np->phyaddr, MII_BMCR, MII_READ); + miicontrol |= BMCR_RESET; + if (mii_rw(nic, np->phyaddr, MII_BMCR, miicontrol)) { + return -1; + } + + /* wait for 500ms */ + mdelay(500); + + /* must wait till reset is deasserted */ + while (miicontrol & BMCR_RESET) { + mdelay(10); + miicontrol = mii_rw(nic, np->phyaddr, MII_BMCR, MII_READ); + /* FIXME: 100 tries seem excessive */ + if (tries++ > 100) + return -1; + } + return 0; +} + +static int phy_init(struct nic *nic) +{ + u8 *base = (u8 *) BASE; + u32 phyinterface, phy_reserved, mii_status, mii_control, + mii_control_1000, reg; + + /* set advertise register */ + reg = mii_rw(nic, np->phyaddr, MII_ADVERTISE, MII_READ); + reg |= + (ADVERTISE_10HALF | ADVERTISE_10FULL | ADVERTISE_100HALF | + ADVERTISE_100FULL | 0x800 | 0x400); + if (mii_rw(nic, np->phyaddr, MII_ADVERTISE, reg)) { + printf("phy write to advertise failed.\n"); + return PHY_ERROR; + } + + /* get phy interface type */ + phyinterface = readl(base + NvRegPhyInterface); + + /* see if gigabit phy */ + mii_status = mii_rw(nic, np->phyaddr, MII_BMSR, MII_READ); + + if (mii_status & PHY_GIGABIT) { + np->gigabit = PHY_GIGABIT; + mii_control_1000 = + mii_rw(nic, np->phyaddr, MII_CTRL1000, MII_READ); + mii_control_1000 &= ~ADVERTISE_1000HALF; + if (phyinterface & PHY_RGMII) + mii_control_1000 |= ADVERTISE_1000FULL; + else + mii_control_1000 &= ~ADVERTISE_1000FULL; + + if (mii_rw + (nic, np->phyaddr, MII_CTRL1000, mii_control_1000)) { + printf("phy init failed.\n"); + return PHY_ERROR; + } + } else + np->gigabit = 0; + + /* reset the phy */ + if (phy_reset(nic)) { + printf("phy reset failed\n"); + return PHY_ERROR; + } + + /* phy vendor specific configuration */ + if ((np->phy_oui == PHY_OUI_CICADA) && (phyinterface & PHY_RGMII)) { + phy_reserved = + mii_rw(nic, np->phyaddr, MII_RESV1, MII_READ); + phy_reserved &= ~(PHY_INIT1 | PHY_INIT2); + phy_reserved |= (PHY_INIT3 | PHY_INIT4); + if (mii_rw(nic, np->phyaddr, MII_RESV1, phy_reserved)) { + printf("phy init failed.\n"); + return PHY_ERROR; + } + phy_reserved = + mii_rw(nic, np->phyaddr, MII_NCONFIG, MII_READ); + phy_reserved |= PHY_INIT5; + if (mii_rw(nic, np->phyaddr, MII_NCONFIG, phy_reserved)) { + printf("phy init failed.\n"); + return PHY_ERROR; + } + } + if (np->phy_oui == PHY_OUI_CICADA) { + phy_reserved = + mii_rw(nic, np->phyaddr, MII_SREVISION, MII_READ); + phy_reserved |= PHY_INIT6; + if (mii_rw(nic, np->phyaddr, MII_SREVISION, phy_reserved)) { + printf("phy init failed.\n"); + return PHY_ERROR; + } + } + + /* restart auto negotiation */ + mii_control = mii_rw(nic, np->phyaddr, MII_BMCR, MII_READ); + mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE); + if (mii_rw(nic, np->phyaddr, MII_BMCR, mii_control)) { + return PHY_ERROR; + } + + return 0; +} + +static void start_rx(struct nic *nic __unused) +{ + u8 *base = (u8 *) BASE; + + dprintf(("start_rx\n")); + /* Already running? Stop it. */ + if (readl(base + NvRegReceiverControl) & NVREG_RCVCTL_START) { + writel(0, base + NvRegReceiverControl); + pci_push(base); + } + writel(np->linkspeed, base + NvRegLinkSpeed); + pci_push(base); + writel(NVREG_RCVCTL_START, base + NvRegReceiverControl); + pci_push(base); +} + +static void stop_rx(void) +{ + u8 *base = (u8 *) BASE; + + dprintf(("stop_rx\n")); + writel(0, base + NvRegReceiverControl); + reg_delay(NvRegReceiverStatus, NVREG_RCVSTAT_BUSY, 0, + NV_RXSTOP_DELAY1, NV_RXSTOP_DELAY1MAX, + "stop_rx: ReceiverStatus remained busy"); + + udelay(NV_RXSTOP_DELAY2); + writel(0, base + NvRegLinkSpeed); +} + +static void start_tx(struct nic *nic __unused) +{ + u8 *base = (u8 *) BASE; + + dprintf(("start_tx\n")); + writel(NVREG_XMITCTL_START, base + NvRegTransmitterControl); + pci_push(base); +} + +static void stop_tx(void) +{ + u8 *base = (u8 *) BASE; + + dprintf(("stop_tx\n")); + writel(0, base + NvRegTransmitterControl); + reg_delay(NvRegTransmitterStatus, NVREG_XMITSTAT_BUSY, 0, + NV_TXSTOP_DELAY1, NV_TXSTOP_DELAY1MAX, + "stop_tx: TransmitterStatus remained busy"); + + udelay(NV_TXSTOP_DELAY2); + writel(0, base + NvRegUnknownTransmitterReg); +} + + +static void txrx_reset(struct nic *nic __unused) +{ + u8 *base = (u8 *) BASE; + + dprintf(("txrx_reset\n")); + writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->desc_ver, + base + NvRegTxRxControl); + + pci_push(base); + udelay(NV_TXRX_RESET_DELAY); + writel(NVREG_TXRXCTL_BIT2 | np->desc_ver, base + NvRegTxRxControl); + pci_push(base); +} + +/* + * alloc_rx: fill rx ring entries. + * Return 1 if the allocations for the skbs failed and the + * rx engine is without Available descriptors + */ +static int alloc_rx(struct nic *nic __unused) +{ + unsigned int refill_rx = np->refill_rx; + int i; + //while (np->cur_rx != refill_rx) { + for (i = 0; i < RX_RING; i++) { + //int nr = refill_rx % RX_RING; + rx_ring[i].PacketBuffer = + virt_to_le32desc(&rxb[i * RX_NIC_BUFSIZE]); + wmb(); + rx_ring[i].FlagLen = + cpu_to_le32(RX_NIC_BUFSIZE | NV_RX_AVAIL); + /* printf("alloc_rx: Packet %d marked as Available\n", + refill_rx); */ + refill_rx++; + } + np->refill_rx = refill_rx; + if (np->cur_rx - refill_rx == RX_RING) + return 1; + return 0; +} + +static int update_linkspeed(struct nic *nic) +{ + int adv, lpa; + u32 newls; + int newdup = np->duplex; + u32 mii_status; + int retval = 0; + u32 control_1000, status_1000, phyreg; + u8 *base = (u8 *) BASE; + int i; + + /* BMSR_LSTATUS is latched, read it twice: + * we want the current value. + */ + mii_rw(nic, np->phyaddr, MII_BMSR, MII_READ); + mii_status = mii_rw(nic, np->phyaddr, MII_BMSR, MII_READ); + +#if 1 + //yhlu + for(i=0;i<30;i++) { + mii_status = mii_rw(nic, np->phyaddr, MII_BMSR, MII_READ); + if((mii_status & BMSR_LSTATUS) && (mii_status & BMSR_ANEGCOMPLETE)) break; + mdelay(100); + } +#endif + + if (!(mii_status & BMSR_LSTATUS)) { + printf + ("no link detected by phy - falling back to 10HD.\n"); + newls = NVREG_LINKSPEED_FORCE | NVREG_LINKSPEED_10; + newdup = 0; + retval = 0; + goto set_speed; + } + + /* check auto negotiation is complete */ + if (!(mii_status & BMSR_ANEGCOMPLETE)) { + /* still in autonegotiation - configure nic for 10 MBit HD and wait. */ + newls = NVREG_LINKSPEED_FORCE | NVREG_LINKSPEED_10; + newdup = 0; + retval = 0; + printf("autoneg not completed - falling back to 10HD.\n"); + goto set_speed; + } + + retval = 1; + if (np->gigabit == PHY_GIGABIT) { + control_1000 = + mii_rw(nic, np->phyaddr, MII_CTRL1000, MII_READ); + status_1000 = + mii_rw(nic, np->phyaddr, MII_STAT1000, MII_READ); + + if ((control_1000 & ADVERTISE_1000FULL) && + (status_1000 & LPA_1000FULL)) { + printf + ("update_linkspeed: GBit ethernet detected.\n"); + newls = + NVREG_LINKSPEED_FORCE | NVREG_LINKSPEED_1000; + newdup = 1; + goto set_speed; + } + } + + adv = mii_rw(nic, np->phyaddr, MII_ADVERTISE, MII_READ); + lpa = mii_rw(nic, np->phyaddr, MII_LPA, MII_READ); + dprintf(("update_linkspeed: PHY advertises 0x%hX, lpa 0x%hX.\n", + adv, lpa)); + + /* FIXME: handle parallel detection properly, handle gigabit ethernet */ + lpa = lpa & adv; + if (lpa & LPA_100FULL) { + newls = NVREG_LINKSPEED_FORCE | NVREG_LINKSPEED_100; + newdup = 1; + } else if (lpa & LPA_100HALF) { + newls = NVREG_LINKSPEED_FORCE | NVREG_LINKSPEED_100; + newdup = 0; + } else if (lpa & LPA_10FULL) { + newls = NVREG_LINKSPEED_FORCE | NVREG_LINKSPEED_10; + newdup = 1; + } else if (lpa & LPA_10HALF) { + newls = NVREG_LINKSPEED_FORCE | NVREG_LINKSPEED_10; + newdup = 0; + } else { + printf("bad ability %hX - falling back to 10HD.\n", lpa); + newls = NVREG_LINKSPEED_FORCE | NVREG_LINKSPEED_10; + newdup = 0; + } + + set_speed: + if (np->duplex == newdup && np->linkspeed == newls) + return retval; + + dprintf(("changing link setting from %d/%s to %d/%s.\n", + np->linkspeed, np->duplex ? "Full-Duplex": "Half-Duplex", newls, newdup ? "Full-Duplex": "Half-Duplex")); + + np->duplex = newdup; + np->linkspeed = newls; + + if (np->gigabit == PHY_GIGABIT) { + phyreg = readl(base + NvRegRandomSeed); + phyreg &= ~(0x3FF00); + if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_10) + phyreg |= NVREG_RNDSEED_FORCE3; + else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_100) + phyreg |= NVREG_RNDSEED_FORCE2; + else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_1000) + phyreg |= NVREG_RNDSEED_FORCE; + writel(phyreg, base + NvRegRandomSeed); + } + + phyreg = readl(base + NvRegPhyInterface); + phyreg &= ~(PHY_HALF | PHY_100 | PHY_1000); + if (np->duplex == 0) + phyreg |= PHY_HALF; + if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_100) + phyreg |= PHY_100; + else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_1000) + phyreg |= PHY_1000; + writel(phyreg, base + NvRegPhyInterface); + + writel(NVREG_MISC1_FORCE | (np->duplex ? 0 : NVREG_MISC1_HD), + base + NvRegMisc1); + pci_push(base); + writel(np->linkspeed, base + NvRegLinkSpeed); + pci_push(base); + + return retval; +} + +#if 0 /* Not used */ +static void nv_linkchange(struct nic *nic) +{ + if (update_linkspeed(nic)) { +// if (netif_carrier_ok(nic)) { + stop_rx(); +//= } else { + // netif_carrier_on(dev); + // printk(KERN_INFO "%s: link up.\n", dev->name); + // } + start_rx(nic); + } else { + // if (netif_carrier_ok(dev)) { + // netif_carrier_off(dev); + // printk(KERN_INFO "%s: link down.\n", dev->name); + stop_rx(); + // } + } +} +#endif + +static int init_ring(struct nic *nic) +{ + int i; + + np->next_tx = np->nic_tx = 0; + for (i = 0; i < TX_RING; i++) + tx_ring[i].FlagLen = 0; + + np->cur_rx = 0; + np->refill_rx = 0; + for (i = 0; i < RX_RING; i++) + rx_ring[i].FlagLen = 0; + return alloc_rx(nic); +} + +static void set_multicast(struct nic *nic) +{ + + u8 *base = (u8 *) BASE; + u32 addr[2]; + u32 mask[2]; + u32 pff; + u32 alwaysOff[2]; + u32 alwaysOn[2]; + + memset(addr, 0, sizeof(addr)); + memset(mask, 0, sizeof(mask)); + + pff = NVREG_PFF_MYADDR; + + alwaysOn[0] = alwaysOn[1] = alwaysOff[0] = alwaysOff[1] = 0; + + addr[0] = alwaysOn[0]; + addr[1] = alwaysOn[1]; + mask[0] = alwaysOn[0] | alwaysOff[0]; + mask[1] = alwaysOn[1] | alwaysOff[1]; + + addr[0] |= NVREG_MCASTADDRA_FORCE; + pff |= NVREG_PFF_ALWAYS; + stop_rx(); + writel(addr[0], base + NvRegMulticastAddrA); + writel(addr[1], base + NvRegMulticastAddrB); + writel(mask[0], base + NvRegMulticastMaskA); + writel(mask[1], base + NvRegMulticastMaskB); + writel(pff, base + NvRegPacketFilterFlags); + start_rx(nic); +} + +/************************************************************************** +RESET - Reset the NIC to prepare for use +***************************************************************************/ +static int forcedeth_reset(struct nic *nic) +{ + u8 *base = (u8 *) BASE; + int ret, oom, i; + ret = 0; + dprintf(("forcedeth: open\n")); + + /* 1) erase previous misconfiguration */ + /* 4.1-1: stop adapter: ignored, 4.3 seems to be overkill */ + writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); + writel(0, base + NvRegMulticastAddrB); + writel(0, base + NvRegMulticastMaskA); + writel(0, base + NvRegMulticastMaskB); + writel(0, base + NvRegPacketFilterFlags); + + writel(0, base + NvRegTransmitterControl); + writel(0, base + NvRegReceiverControl); + + writel(0, base + NvRegAdapterControl); + + /* 2) initialize descriptor rings */ + oom = init_ring(nic); + + writel(0, base + NvRegLinkSpeed); + writel(0, base + NvRegUnknownTransmitterReg); + txrx_reset(nic); + writel(0, base + NvRegUnknownSetupReg6); + + np->in_shutdown = 0; + + /* 3) set mac address */ + { + u32 mac[2]; + + mac[0] = + (nic->node_addr[0] << 0) + (nic->node_addr[1] << 8) + + (nic->node_addr[2] << 16) + (nic->node_addr[3] << 24); + mac[1] = + (nic->node_addr[4] << 0) + (nic->node_addr[5] << 8); + + writel(mac[0], base + NvRegMacAddrA); + writel(mac[1], base + NvRegMacAddrB); + } + + /* 4) give hw rings */ + writel((u32) virt_to_le32desc(&rx_ring[0]), + base + NvRegRxRingPhysAddr); + writel((u32) virt_to_le32desc(&tx_ring[0]), + base + NvRegTxRingPhysAddr); + + writel(((RX_RING - 1) << NVREG_RINGSZ_RXSHIFT) + + ((TX_RING - 1) << NVREG_RINGSZ_TXSHIFT), + base + NvRegRingSizes); + + /* 5) continue setup */ + np->linkspeed = NVREG_LINKSPEED_FORCE | NVREG_LINKSPEED_10; + np->duplex = 0; + writel(np->linkspeed, base + NvRegLinkSpeed); + writel(NVREG_UNKSETUP3_VAL1, base + NvRegUnknownSetupReg3); + writel(np->desc_ver, base + NvRegTxRxControl); + pci_push(base); + writel(NVREG_TXRXCTL_BIT1 | np->desc_ver, base + NvRegTxRxControl); + reg_delay(NvRegUnknownSetupReg5, NVREG_UNKSETUP5_BIT31, + NVREG_UNKSETUP5_BIT31, NV_SETUP5_DELAY, + NV_SETUP5_DELAYMAX, + "open: SetupReg5, Bit 31 remained off\n"); + + writel(0, base + NvRegUnknownSetupReg4); +// writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); + writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus); +#if 0 + printf("%d-Mbs Link, %s-Duplex\n", + np->linkspeed & NVREG_LINKSPEED_10 ? 10 : 100, + np->duplex ? "Full" : "Half"); +#endif + + /* 6) continue setup */ + writel(NVREG_MISC1_FORCE | NVREG_MISC1_HD, base + NvRegMisc1); + writel(readl(base + NvRegTransmitterStatus), + base + NvRegTransmitterStatus); + writel(NVREG_PFF_ALWAYS, base + NvRegPacketFilterFlags); + writel(NVREG_OFFLOAD_NORMAL, base + NvRegOffloadConfig); + + writel(readl(base + NvRegReceiverStatus), + base + NvRegReceiverStatus); + + /* Get a random number */ + i = random(); + writel(NVREG_RNDSEED_FORCE | (i & NVREG_RNDSEED_MASK), + base + NvRegRandomSeed); + writel(NVREG_UNKSETUP1_VAL, base + NvRegUnknownSetupReg1); + writel(NVREG_UNKSETUP2_VAL, base + NvRegUnknownSetupReg2); + writel(NVREG_POLL_DEFAULT, base + NvRegPollingInterval); + writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); + 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_WAKEUPFLAGS_VAL, base + NvRegWakeUpFlags); + + i = readl(base + NvRegPowerState); + if ((i & NVREG_POWERSTATE_POWEREDUP) == 0) + writel(NVREG_POWERSTATE_POWEREDUP | i, + base + NvRegPowerState); + + pci_push(base); + udelay(10); + writel(readl(base + NvRegPowerState) | NVREG_POWERSTATE_VALID, + base + NvRegPowerState); + + writel(0, base + NvRegIrqMask); + pci_push(base); + writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus); + writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); + pci_push(base); +/* + writel(np->irqmask, base + NvRegIrqMask); +*/ + writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); + writel(0, base + NvRegMulticastAddrB); + writel(0, base + NvRegMulticastMaskA); + writel(0, base + NvRegMulticastMaskB); + writel(NVREG_PFF_ALWAYS | NVREG_PFF_MYADDR, + base + NvRegPacketFilterFlags); + + set_multicast(nic); + /* One manual link speed update: Interrupts are enabled, future link + * speed changes cause interrupts and are handled by nv_link_irq(). + */ + { + u32 miistat; + miistat = readl(base + NvRegMIIStatus); + writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus); + dprintf(("startup: got 0x%hX.\n", miistat)); + } + ret = update_linkspeed(nic); + + //start_rx(nic); + start_tx(nic); + + if (ret) { + //Start Connection netif_carrier_on(dev); + } else { + printf("no link during initialization.\n"); + } + + return ret; +} + +/* + * extern void hex_dump(const char *data, const unsigned int len); +*/ +/************************************************************************** +POLL - Wait for a frame +***************************************************************************/ +static int forcedeth_poll(struct nic *nic, int retrieve) +{ + /* return true if there's an ethernet packet ready to read */ + /* nic->packet should contain data on return */ + /* nic->packetlen should contain length of data */ + + int len; + int i; + u32 Flags; + + i = np->cur_rx % RX_RING; + + Flags = le32_to_cpu(rx_ring[i].FlagLen); + len = nv_descr_getlength(&rx_ring[i], np->desc_ver); + + if (Flags & NV_RX_AVAIL) + return 0; /* still owned by hardware, */ + + if (np->desc_ver == DESC_VER_1) { + if (!(Flags & NV_RX_DESCRIPTORVALID)) + return 0; + } else { + if (!(Flags & NV_RX2_DESCRIPTORVALID)) + return 0; + } + + if (!retrieve) + return 1; + + /* got a valid packet - forward it to the network core */ + nic->packetlen = len; + memcpy(nic->packet, rxb + (i * RX_NIC_BUFSIZE), nic->packetlen); +/* + * hex_dump(rxb + (i * RX_NIC_BUFSIZE), len); +*/ + wmb(); + np->cur_rx++; + alloc_rx(nic); + return 1; +} + + +/************************************************************************** +TRANSMIT - Transmit a frame +***************************************************************************/ +static void forcedeth_transmit(struct nic *nic, const char *d, /* Destination */ + unsigned int t, /* Type */ + unsigned int s, /* size */ + const char *p) +{ /* Packet */ + /* send the packet to destination */ + u8 *ptxb; + u16 nstype; + u8 *base = (u8 *) BASE; + int nr = np->next_tx % TX_RING; + + /* point to the current txb incase multiple tx_rings are used */ + ptxb = txb + (nr * RX_NIC_BUFSIZE); + //np->tx_skbuff[nr] = ptxb; + + /* copy the packet to ring buffer */ + memcpy(ptxb, d, ETH_ALEN); /* dst */ + memcpy(ptxb + ETH_ALEN, nic->node_addr, ETH_ALEN); /* src */ + nstype = htons((u16) t); /* type */ + memcpy(ptxb + 2 * ETH_ALEN, (u8 *) & nstype, 2); /* type */ + memcpy(ptxb + ETH_HLEN, p, s); + + s += ETH_HLEN; + while (s < ETH_ZLEN) /* pad to min length */ + ptxb[s++] = '\0'; + + tx_ring[nr].PacketBuffer = (u32) virt_to_le32desc(ptxb); + + wmb(); + tx_ring[nr].FlagLen = cpu_to_le32((s - 1) | np->tx_flags); + + writel(NVREG_TXRXCTL_KICK | np->desc_ver, base + NvRegTxRxControl); + pci_push(base); + np->next_tx++; +} + +/************************************************************************** +DISABLE - Turn off ethernet interface +***************************************************************************/ +static void forcedeth_disable ( struct nic *nic __unused ) { + /* put the card in its initial state */ + /* This function serves 3 purposes. + * This disables DMA and interrupts so we don't receive + * unexpected packets or interrupts from the card after + * etherboot has finished. + * This frees resources so etherboot may use + * this driver on another interface + * This allows etherboot to reinitialize the interface + * if something is something goes wrong. + */ + u8 *base = (u8 *) BASE; + np->in_shutdown = 1; + stop_tx(); + stop_rx(); + + /* disable interrupts on the nic or we will lock up */ + writel(0, base + NvRegIrqMask); + pci_push(base); + dprintf(("Irqmask is zero again\n")); + + /* specia op:o write back the misordered MAC address - otherwise + * the next probe_nic would see a wrong address. + */ + writel(np->orig_mac[0], base + NvRegMacAddrA); + writel(np->orig_mac[1], base + NvRegMacAddrB); +} + +/************************************************************************** +IRQ - Enable, Disable, or Force interrupts +***************************************************************************/ +static void forcedeth_irq(struct nic *nic __unused, + irq_action_t action __unused) +{ + switch (action) { + case DISABLE: + break; + case ENABLE: + break; + case FORCE: + break; + } +} + +static struct nic_operations forcedeth_operations = { + .connect = dummy_connect, + .poll = forcedeth_poll, + .transmit = forcedeth_transmit, + .irq = forcedeth_irq, + +}; + +/************************************************************************** +PROBE - Look for an adapter, this routine's visible to the outside +***************************************************************************/ +#define IORESOURCE_MEM 0x00000200 +#define board_found 1 +#define valid_link 0 +static int forcedeth_probe ( struct nic *nic, struct pci_device *pci ) { + + unsigned long addr; + int sz; + u8 *base; + int i; + struct pci_device_id *ids = pci->driver->ids; + int id_count = pci->driver->id_count; + unsigned int flags = 0; + + if (pci->ioaddr == 0) + return 0; + + printf("forcedeth.c: Found %s, vendor=0x%hX, device=0x%hX\n", + pci->driver_name, pci->vendor, pci->device); + + nic->ioaddr = pci->ioaddr; + nic->irqno = 0; + + /* point to private storage */ + np = &npx; + + adjust_pci_device(pci); + + addr = pci_bar_start(pci, PCI_BASE_ADDRESS_0); + sz = pci_bar_size(pci, PCI_BASE_ADDRESS_0); + + /* BASE is used throughout to address the card */ + BASE = (unsigned long) ioremap(addr, sz); + if (!BASE) + return 0; + + /* handle different descriptor versions */ + if (pci->device == PCI_DEVICE_ID_NVIDIA_NVENET_1 || + pci->device == PCI_DEVICE_ID_NVIDIA_NVENET_2 || + pci->device == PCI_DEVICE_ID_NVIDIA_NVENET_3) + np->desc_ver = DESC_VER_1; + else + np->desc_ver = DESC_VER_2; + + //rx_ring[0] = rx_ring; + //tx_ring[0] = tx_ring; + + /* read the mac address */ + base = (u8 *) BASE; + np->orig_mac[0] = readl(base + NvRegMacAddrA); + np->orig_mac[1] = readl(base + NvRegMacAddrB); + + /* lookup the flags from pci_device_id */ + for(i = 0; i < id_count; i++) { + if(pci->vendor == ids[i].vendor && + pci->device == ids[i].device) { + flags = ids[i].driver_data; + break; + } + } + + /* read MAC address */ + if(flags & MAC_ADDR_CORRECT) { + nic->node_addr[0] = (np->orig_mac[0] >> 0) & 0xff; + nic->node_addr[1] = (np->orig_mac[0] >> 8) & 0xff; + nic->node_addr[2] = (np->orig_mac[0] >> 16) & 0xff; + nic->node_addr[3] = (np->orig_mac[0] >> 24) & 0xff; + nic->node_addr[4] = (np->orig_mac[1] >> 0) & 0xff; + nic->node_addr[5] = (np->orig_mac[1] >> 8) & 0xff; + } else { + nic->node_addr[0] = (np->orig_mac[1] >> 8) & 0xff; + nic->node_addr[1] = (np->orig_mac[1] >> 0) & 0xff; + nic->node_addr[2] = (np->orig_mac[0] >> 24) & 0xff; + nic->node_addr[3] = (np->orig_mac[0] >> 16) & 0xff; + nic->node_addr[4] = (np->orig_mac[0] >> 8) & 0xff; + nic->node_addr[5] = (np->orig_mac[0] >> 0) & 0xff; + } +#ifdef LINUX + if (!is_valid_ether_addr(dev->dev_addr)) { + /* + * Bad mac address. At least one bios sets the mac address + * to 01:23:45:67:89:ab + */ + printk(KERN_ERR + "%s: Invalid Mac address detected: %02x:%02x:%02x:%02x:%02x:%02x\n", + pci_name(pci_dev), dev->dev_addr[0], + dev->dev_addr[1], dev->dev_addr[2], + dev->dev_addr[3], dev->dev_addr[4], + dev->dev_addr[5]); + printk(KERN_ERR + "Please complain to your hardware vendor. Switching to a random MAC.\n"); + dev->dev_addr[0] = 0x00; + dev->dev_addr[1] = 0x00; + dev->dev_addr[2] = 0x6c; + get_random_bytes(&dev->dev_addr[3], 3); + } +#endif + + DBG ( "%s: MAC Address %s\n", pci->driver_name, eth_ntoa ( nic->node_addr ) ); + + /* disable WOL */ + writel(0, base + NvRegWakeUpFlags); + np->wolenabled = 0; + + if (np->desc_ver == DESC_VER_1) { + np->tx_flags = NV_TX_LASTPACKET | NV_TX_VALID; + } else { + np->tx_flags = NV_TX2_LASTPACKET | NV_TX2_VALID; + } + + switch (pci->device) { + case 0x01C3: // nforce + case 0x054C: + // DEV_IRQMASK_1|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER, + np->irqmask = NVREG_IRQMASK_WANTED_2 | NVREG_IRQ_TIMER; + // np->need_linktimer = 1; + // np->link_timeout = jiffies + LINK_TIMEOUT; + break; + case 0x0066: + /* Fall Through */ + case 0x00D6: + // DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER + np->irqmask = NVREG_IRQMASK_WANTED_2; + np->irqmask |= NVREG_IRQ_TIMER; + // np->need_linktimer = 1; + // np->link_timeout = jiffies + LINK_TIMEOUT; + if (np->desc_ver == DESC_VER_1) + np->tx_flags |= NV_TX_LASTPACKET1; + else + np->tx_flags |= NV_TX2_LASTPACKET1; + break; + case 0x0373: + /* Fall Through */ + case 0x0086: + /* Fall Through */ + case 0x008c: + /* Fall Through */ + case 0x00e6: + /* Fall Through */ + case 0x00df: + /* Fall Through */ + case 0x0056: + /* Fall Through */ + case 0x0057: + /* Fall Through */ + case 0x0037: + /* Fall Through */ + case 0x0038: + //DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ + np->irqmask = NVREG_IRQMASK_WANTED_2; + np->irqmask |= NVREG_IRQ_TIMER; + // np->need_linktimer = 1; + // np->link_timeout = jiffies + LINK_TIMEOUT; + if (np->desc_ver == DESC_VER_1) + np->tx_flags |= NV_TX_LASTPACKET1; + else + np->tx_flags |= NV_TX2_LASTPACKET1; + break; + default: + printf + ("Your card was undefined in this driver. Review driver_data in Linux driver and send a patch\n"); + } + + /* find a suitable phy */ + for (i = 1; i < 32; i++) { + int id1, id2; + id1 = mii_rw(nic, i, MII_PHYSID1, MII_READ); + if (id1 < 0 || id1 == 0xffff) + continue; + id2 = mii_rw(nic, i, MII_PHYSID2, MII_READ); + if (id2 < 0 || id2 == 0xffff) + continue; + id1 = (id1 & PHYID1_OUI_MASK) << PHYID1_OUI_SHFT; + id2 = (id2 & PHYID2_OUI_MASK) >> PHYID2_OUI_SHFT; + dprintf + (("%s: open: Found PHY %hX:%hX at address %d.\n", + pci->driver_name, id1, id2, i)); + np->phyaddr = i; + np->phy_oui = id1 | id2; + break; + } + if (i == 32) { + /* PHY in isolate mode? No phy attached and user wants to + * test loopback? Very odd, but can be correct. + */ + printf + ("%s: open: Could not find a valid PHY.\n", pci->driver_name); + } + + if (i != 32) { + /* reset it */ + phy_init(nic); + } + + dprintf(("%s: forcedeth.c: subsystem: %hX:%hX bound to %s\n", + pci->driver_name, pci->vendor, pci->dev_id, pci->driver_name)); + if(!forcedeth_reset(nic)) return 0; // no valid link + + /* point to NIC specific routines */ + nic->nic_op = &forcedeth_operations; + return 1; +} + +static struct pci_device_id forcedeth_nics[] = { +PCI_ROM(0x10de, 0x01C3, "nforce", "nForce NVENET_1 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x0066, "nforce2", "nForce NVENET_2 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x00D6, "nforce3", "nForce NVENET_3 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x0086, "nforce4", "nForce NVENET_4 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x008c, "nforce5", "nForce NVENET_5 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x00e6, "nforce6", "nForce NVENET_6 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x00df, "nforce7", "nForce NVENET_7 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x0056, "nforce8", "nForce NVENET_8 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x0057, "nforce9", "nForce NVENET_9 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x0037, "nforce10", "nForce NVENET_10 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x0038, "nforce11", "nForce NVENET_11 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x0373, "nforce15", "nForce NVENET_15 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x0269, "nforce16", "nForce NVENET_16 Ethernet Controller", 0), +PCI_ROM(0x10de, 0x0760, "nforce17", "nForce NVENET_17 Ethernet Controller", MAC_ADDR_CORRECT), +PCI_ROM(0x10de, 0x054c, "nforce67", "nForce NVENET_67 Ethernet Controller", MAC_ADDR_CORRECT), +}; + +PCI_DRIVER ( forcedeth_driver, forcedeth_nics, PCI_NO_CLASS ); + +DRIVER ( "forcedeth", nic_driver, pci_driver, forcedeth_driver, + forcedeth_probe, forcedeth_disable ); + +/* + * Local variables: + * c-basic-offset: 8 + * c-indent-level: 8 + * tab-width: 8 + * End: + */ |