gpxe: delete long since obsolete snapshot of gPXE

gPXE has been deprecated in favor of iPXE for many, many years now.
It is much better than users get it directly from the iPXE project,
since we should no longer need any special modifications for Syslinux
use.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 0 insertions, 763 deletions

diff --git a/gpxe/src/drivers/net/3c515.c b/gpxe/src/drivers/net/3c515.c
deleted file mode 100644
index eb9569fb..00000000
--- a/gpxe/src/drivers/net/3c515.c
+++ /dev/null
@@ -1,763 +0,0 @@
-/*
-*    3c515.c -- 3COM 3C515 Fast Etherlink ISA 10/100BASE-TX driver for etherboot
-*    Copyright (C) 2002 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:
-* Copyright (C) 1997-2002 Donald Becker  3c515.c: A 3Com ISA EtherLink XL "Corkscrew" ethernet driver for linux.
-* Copyright (C) 2001 P.J.H.Fox (fox@roestock.demon.co.uk) ISAPNP Tools
-* Copyright (c) 2002 Jaroslav Kysela <perex@suse.cz>  ISA Plug & Play support Linux Kernel
-* Copyright (C) 2000 Shusuke Nisiyama <shu@athena.qe.eng.hokudai.ac.jp> etherboot-5.0.5 3c595.c
-* Coptright (C) 1995 Martin Renters etherboot-5.0.5 3c509.c
-* Copyright (C) 1999 LightSys Technology Services, Inc. etherboot-5.0.5 3c90x.c
-* Portions Copyright (C) 1999 Steve Smith etherboot-5.0.5 3c90x.c
-*
-* The probe and reset functions and defines are direct copies from the
-* Becker code modified where necessary to make it work for etherboot
-*
-* The poll and transmit functions either contain code from or were written by referencing
-* the above referenced etherboot drivers.  This driver would not have been
-* possible without this prior work
-*
-* REVISION HISTORY:
-* ================
-* v0.10	4-17-2002	TJL	Initial implementation.
-* v0.11 4-17-2002       TJL     Cleanup of the code
-* v0.12 4-26-2002       TJL     Added ISA Plug and Play for Non-PNP Bioses
-* v0.13 6-10-2002       TJL     Fixed ISA_PNP MAC Address problem
-* v0.14 9-23-2003	TJL	Replaced delay with currticks
-*
-* 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"
-#include <gpxe/isapnp.h>
-#include <gpxe/isa.h> /* for ISA_ROM */
-#include <gpxe/ethernet.h>
-
-static void t3c515_wait(unsigned int nticks)
-{
-	unsigned int to = currticks() + nticks;
-	while (currticks() < to)
-		/* wait */ ;
-}
-
-/* TJL definations */
-#define HZ      100
-static int if_port;
-static struct corkscrew_private *vp;
-/* Brought directly from 3c515.c by Becker */
-#define CORKSCREW 1
-
-/* Maximum events (Rx packets, etc.) to handle at each interrupt.
-static int max_interrupt_work = 20;
-*/
-
-/* Enable the automatic media selection code -- usually set. */
-#define AUTOMEDIA 1
-
-/* Allow the use of fragment bus master transfers instead of only
-   programmed-I/O for Vortex cards.  Full-bus-master transfers are always
-   enabled by default on Boomerang cards.  If VORTEX_BUS_MASTER is defined,
-   the feature may be turned on using 'options'. */
-#define VORTEX_BUS_MASTER
-
-/* A few values that may be tweaked. */
-/* Keep the ring sizes a power of two for efficiency. */
-#define TX_RING_SIZE	16
-#define RX_RING_SIZE	16
-#define PKT_BUF_SZ		1536	/* Size of each temporary Rx buffer. */
-
-/* "Knobs" for adjusting internal parameters. */
-/* Put out somewhat more debugging messages. (0 - no msg, 1 minimal msgs). */
-#define DRIVER_DEBUG 1
-/* Some values here only for performance evaluation and path-coverage
-   debugging.
-static int rx_nocopy, rx_copy, queued_packet;
-*/
-
-#define CORKSCREW_ID 10
-
-#define EL3WINDOW(win_num) \
-	outw(SelectWindow + (win_num), nic->ioaddr + EL3_CMD)
-#define EL3_CMD 0x0e
-#define EL3_STATUS 0x0e
-#define RX_BYTES_MASK			(unsigned short) (0x07ff)
-
-enum corkscrew_cmd {
-	TotalReset = 0 << 11, SelectWindow = 1 << 11, StartCoax = 2 << 11,
-	RxDisable = 3 << 11, RxEnable = 4 << 11, RxReset = 5 << 11,
-	UpStall = 6 << 11, UpUnstall = (6 << 11) + 1,
-	DownStall = (6 << 11) + 2, DownUnstall = (6 << 11) + 3,
-	RxDiscard = 8 << 11, TxEnable = 9 << 11, TxDisable =
-	    10 << 11, TxReset = 11 << 11,
-	FakeIntr = 12 << 11, AckIntr = 13 << 11, SetIntrEnb = 14 << 11,
-	SetStatusEnb = 15 << 11, SetRxFilter = 16 << 11, SetRxThreshold =
-	    17 << 11,
-	SetTxThreshold = 18 << 11, SetTxStart = 19 << 11,
-	StartDMAUp = 20 << 11, StartDMADown = (20 << 11) + 1, StatsEnable =
-	    21 << 11,
-	StatsDisable = 22 << 11, StopCoax = 23 << 11,
-};
-
-/* The SetRxFilter command accepts the following classes: */
-enum RxFilter {
-	RxStation = 1, RxMulticast = 2, RxBroadcast = 4, RxProm = 8
-};
-
-/* Bits in the general status register. */
-enum corkscrew_status {
-	IntLatch = 0x0001, AdapterFailure = 0x0002, TxComplete = 0x0004,
-	TxAvailable = 0x0008, RxComplete = 0x0010, RxEarly = 0x0020,
-	IntReq = 0x0040, StatsFull = 0x0080,
-	DMADone = 1 << 8, DownComplete = 1 << 9, UpComplete = 1 << 10,
-	DMAInProgress = 1 << 11,	/* DMA controller is still busy. */
-	CmdInProgress = 1 << 12,	/* EL3_CMD is still busy. */
-};
-
-/* Register window 1 offsets, the window used in normal operation.
-   On the Corkscrew this window is always mapped at offsets 0x10-0x1f. */
-enum Window1 {
-	TX_FIFO = 0x10, RX_FIFO = 0x10, RxErrors = 0x14,
-	RxStatus = 0x18, Timer = 0x1A, TxStatus = 0x1B,
-	TxFree = 0x1C,		/* Remaining free bytes in Tx buffer. */
-};
-enum Window0 {
-	Wn0IRQ = 0x08,
-#if defined(CORKSCREW)
-	Wn0EepromCmd = 0x200A,	/* Corkscrew EEPROM command register. */
-	Wn0EepromData = 0x200C,	/* Corkscrew EEPROM results register. */
-#else
-	Wn0EepromCmd = 10,	/* Window 0: EEPROM command register. */
-	Wn0EepromData = 12,	/* Window 0: EEPROM results register. */
-#endif
-};
-enum Win0_EEPROM_bits {
-	EEPROM_Read = 0x80, EEPROM_WRITE = 0x40, EEPROM_ERASE = 0xC0,
-	EEPROM_EWENB = 0x30,	/* Enable erasing/writing for 10 msec. */
-	EEPROM_EWDIS = 0x00,	/* Disable EWENB before 10 msec timeout. */
-};
-
-enum Window3 {			/* Window 3: MAC/config bits. */
-	Wn3_Config = 0, Wn3_MAC_Ctrl = 6, Wn3_Options = 8,
-};
-union wn3_config {
-	int i;
-	struct w3_config_fields {
-		unsigned int ram_size:3, ram_width:1, ram_speed:2,
-		    rom_size:2;
-		int pad8:8;
-		unsigned int ram_split:2, pad18:2, xcvr:3, pad21:1,
-		    autoselect:1;
-		int pad24:7;
-	} u;
-};
-
-enum Window4 {
-	Wn4_NetDiag = 6, Wn4_Media = 10,	/* Window 4: Xcvr/media bits. */
-};
-enum Win4_Media_bits {
-	Media_SQE = 0x0008,	/* Enable SQE error counting for AUI. */
-	Media_10TP = 0x00C0,	/* Enable link beat and jabber for 10baseT. */
-	Media_Lnk = 0x0080,	/* Enable just link beat for 100TX/100FX. */
-	Media_LnkBeat = 0x0800,
-};
-enum Window7 {			/* Window 7: Bus Master control. */
-	Wn7_MasterAddr = 0, Wn7_MasterLen = 6, Wn7_MasterStatus = 12,
-};
-
-/* Boomerang-style bus master control registers.  Note ISA aliases! */
-enum MasterCtrl {
-	PktStatus = 0x400, DownListPtr = 0x404, FragAddr = 0x408, FragLen =
-	    0x40c,
-	TxFreeThreshold = 0x40f, UpPktStatus = 0x410, UpListPtr = 0x418,
-};
-
-/* The Rx and Tx descriptor lists.
-   Caution Alpha hackers: these types are 32 bits!  Note also the 8 byte
-   alignment contraint on tx_ring[] and rx_ring[]. */
-struct boom_rx_desc {
-	u32 next;
-	s32 status;
-	u32 addr;
-	s32 length;
-};
-
-/* Values for the Rx status entry. */
-enum rx_desc_status {
-	RxDComplete = 0x00008000, RxDError = 0x4000,
-	/* See boomerang_rx() for actual error bits */
-};
-
-struct boom_tx_desc {
-	u32 next;
-	s32 status;
-	u32 addr;
-	s32 length;
-};
-
-struct corkscrew_private {
-	const char *product_name;
-	struct net_device *next_module;
-	/* The Rx and Tx rings are here to keep them quad-word-aligned. */
-	struct boom_rx_desc rx_ring[RX_RING_SIZE];
-	struct boom_tx_desc tx_ring[TX_RING_SIZE];
-	/* The addresses of transmit- and receive-in-place skbuffs. */
-	struct sk_buff *rx_skbuff[RX_RING_SIZE];
-	struct sk_buff *tx_skbuff[TX_RING_SIZE];
-	unsigned int cur_rx, cur_tx;	/* The next free ring entry */
-	unsigned int dirty_rx, dirty_tx;	/* The ring entries to be free()ed. */
-	struct sk_buff *tx_skb;	/* Packet being eaten by bus master ctrl.  */
-	int capabilities;	/* Adapter capabilities word. */
-	int options;		/* User-settable misc. driver options. */
-	int last_rx_packets;	/* For media autoselection. */
-	unsigned int available_media:8,	/* From Wn3_Options */
-	 media_override:3,	/* Passed-in media type. */
-	 default_media:3,	/* Read from the EEPROM. */
-	 full_duplex:1, autoselect:1, bus_master:1,	/* Vortex can only do a fragment bus-m. */
-	 full_bus_master_tx:1, full_bus_master_rx:1,	/* Boomerang  */
-	 tx_full:1;
-};
-
-/* The action to take with a media selection timer tick.
-   Note that we deviate from the 3Com order by checking 10base2 before AUI.
- */
-enum xcvr_types {
-	XCVR_10baseT =
-	    0, XCVR_AUI, XCVR_10baseTOnly, XCVR_10base2, XCVR_100baseTx,
-	XCVR_100baseFx, XCVR_MII = 6, XCVR_Default = 8,
-};
-
-static struct media_table {
-	char *name;
-	unsigned int media_bits:16,	/* Bits to set in Wn4_Media register. */
-	 mask:8,		/* The transceiver-present bit in Wn3_Config. */
-	 next:8;		/* The media type to try next. */
-	short wait;		/* Time before we check media status. */
-} media_tbl[] = {
-	{
-	"10baseT", Media_10TP, 0x08, XCVR_10base2, (14 * HZ) / 10}
-	, {
-	"10Mbs AUI", Media_SQE, 0x20, XCVR_Default, (1 * HZ) / 10}
-	, {
-	"undefined", 0, 0x80, XCVR_10baseT, 10000}
-	, {
-	"10base2", 0, 0x10, XCVR_AUI, (1 * HZ) / 10}
-	, {
-	"100baseTX", Media_Lnk, 0x02, XCVR_100baseFx,
-		    (14 * HZ) / 10}
-	, {
-	"100baseFX", Media_Lnk, 0x04, XCVR_MII, (14 * HZ) / 10}
-	, {
-	"MII", 0, 0x40, XCVR_10baseT, 3 * HZ}
-	, {
-	"undefined", 0, 0x01, XCVR_10baseT, 10000}
-	, {
-	"Default", 0, 0xFF, XCVR_10baseT, 10000}
-,};
-
-/* TILEG Modified to remove reference to dev */
-static int corkscrew_found_device(int ioaddr, int irq, int product_index,
-				  int options, struct nic *nic);
-static int corkscrew_probe1(int ioaddr, int irq, int product_index,
-			    struct nic *nic);
-
-/* This driver uses 'options' to pass the media type, full-duplex flag, etc. */
-/* Note: this is the only limit on the number of cards supported!! */
-static int options = -1;
-
-/* End Brought directly from 3c515.c by Becker */
-
-/**************************************************************************
-RESET - Reset adapter
-***************************************************************************/
-static void t515_reset(struct nic *nic)
-{
-	union wn3_config config;
-	int i;
-
-	/* Before initializing select the active media port. */
-	EL3WINDOW(3);
-	if (vp->full_duplex)
-		outb(0x20, nic->ioaddr + Wn3_MAC_Ctrl);	/* Set the full-duplex bit. */
-	config.i = inl(nic->ioaddr + Wn3_Config);
-
-	if (vp->media_override != 7) {
-		DBG ( "Media override to transceiver %d (%s).\n",
-		      vp->media_override,
-		      media_tbl[vp->media_override].name);
-		if_port = vp->media_override;
-	} else if (vp->autoselect) {
-		/* Find first available media type, starting with 100baseTx. */
-		if_port = 4;
-		while (!(vp->available_media & media_tbl[if_port].mask))
-			if_port = media_tbl[if_port].next;
-
-		DBG ( "Initial media type %s.\n",
-		      media_tbl[if_port].name);
-	} else
-		if_port = vp->default_media;
-
-	config.u.xcvr = if_port;
-	outl(config.i, nic->ioaddr + Wn3_Config);
-
-	DBG ( "corkscrew_open() InternalConfig 0x%hX.\n",
-	      config.i);
-
-	outw(TxReset, nic->ioaddr + EL3_CMD);
-	for (i = 20; i >= 0; i--)
-		if (!(inw(nic->ioaddr + EL3_STATUS) & CmdInProgress))
-			break;
-
-	outw(RxReset, nic->ioaddr + EL3_CMD);
-	/* Wait a few ticks for the RxReset command to complete. */
-	for (i = 20; i >= 0; i--)
-		if (!(inw(nic->ioaddr + EL3_STATUS) & CmdInProgress))
-			break;
-
-	outw(SetStatusEnb | 0x00, nic->ioaddr + EL3_CMD);
-
-#ifdef debug_3c515
-		EL3WINDOW(4);
-		DBG ( "FIXME: fix print for irq, not 9" );
-		DBG ( "corkscrew_open() irq %d media status 0x%hX.\n",
-		      9, inw(nic->ioaddr + Wn4_Media) );
-#endif
-
-	/* Set the station address and mask in window 2 each time opened. */
-	EL3WINDOW(2);
-	for (i = 0; i < 6; i++)
-		outb(nic->node_addr[i], nic->ioaddr + i);
-	for (; i < 12; i += 2)
-		outw(0, nic->ioaddr + i);
-
-	if (if_port == 3)
-		/* Start the thinnet transceiver. We should really wait 50ms... */
-		outw(StartCoax, nic->ioaddr + EL3_CMD);
-	EL3WINDOW(4);
-	outw((inw(nic->ioaddr + Wn4_Media) & ~(Media_10TP | Media_SQE)) |
-	     media_tbl[if_port].media_bits, nic->ioaddr + Wn4_Media);
-
-	/* Switch to the stats window, and clear all stats by reading. */
-/*	outw(StatsDisable, nic->ioaddr + EL3_CMD);*/
-	EL3WINDOW(6);
-	for (i = 0; i < 10; i++)
-		inb(nic->ioaddr + i);
-	inw(nic->ioaddr + 10);
-	inw(nic->ioaddr + 12);
-	/* New: On the Vortex we must also clear the BadSSD counter. */
-	EL3WINDOW(4);
-	inb(nic->ioaddr + 12);
-	/* ..and on the Boomerang we enable the extra statistics bits. */
-	outw(0x0040, nic->ioaddr + Wn4_NetDiag);
-
-	/* Switch to register set 7 for normal use. */
-	EL3WINDOW(7);
-
-	/* Temporarily left in place.  If these FIXMEs are printed
-	   it meand that special logic for that card may need to be added
-	   see Becker's 3c515.c driver */
-	if (vp->full_bus_master_rx) {	/* Boomerang bus master. */
-		printf("FIXME: Is this if necessary");
-		vp->cur_rx = vp->dirty_rx = 0;
-		DBG ( "   Filling in the Rx ring.\n" );
-		for (i = 0; i < RX_RING_SIZE; i++) {
-			printf("FIXME: Is this if necessary");
-		}
-	}
-	if (vp->full_bus_master_tx) {	/* Boomerang bus master Tx. */
-		vp->cur_tx = vp->dirty_tx = 0;
-		outb(PKT_BUF_SZ >> 8, nic->ioaddr + TxFreeThreshold);	/* Room for a packet. */
-		/* Clear the Tx ring. */
-		for (i = 0; i < TX_RING_SIZE; i++)
-			vp->tx_skbuff[i] = 0;
-		outl(0, nic->ioaddr + DownListPtr);
-	}
-	/* Set receiver mode: presumably accept b-case and phys addr only. */
-	outw(SetRxFilter | RxStation | RxMulticast | RxBroadcast | RxProm,
-	     nic->ioaddr + EL3_CMD);
-
-	outw(RxEnable, nic->ioaddr + EL3_CMD);	/* Enable the receiver. */
-	outw(TxEnable, nic->ioaddr + EL3_CMD);	/* Enable transmitter. */
-	/* Allow status bits to be seen. */
-	outw(SetStatusEnb | AdapterFailure | IntReq | StatsFull |
-	     (vp->full_bus_master_tx ? DownComplete : TxAvailable) |
-	     (vp->full_bus_master_rx ? UpComplete : RxComplete) |
-	     (vp->bus_master ? DMADone : 0), nic->ioaddr + EL3_CMD);
-	/* Ack all pending events, and set active indicator mask. */
-	outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq,
-	     nic->ioaddr + EL3_CMD);
-	outw(SetIntrEnb | IntLatch | TxAvailable | RxComplete | StatsFull
-	     | (vp->bus_master ? DMADone : 0) | UpComplete | DownComplete,
-	     nic->ioaddr + EL3_CMD);
-
-}
-
-/**************************************************************************
-POLL - Wait for a frame
-***************************************************************************/
-static int t515_poll(struct nic *nic, int retrieve)
-{
-	short status, cst;
-	register short rx_fifo;
-
-	cst = inw(nic->ioaddr + EL3_STATUS);
-
-	if ((cst & RxComplete) == 0) {
-		/* Ack all pending events, and set active indicator mask. */
-		outw(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq,
-		     nic->ioaddr + EL3_CMD);
-		outw(SetIntrEnb | IntLatch | TxAvailable | RxComplete |
-		     StatsFull | (vp->
-				  bus_master ? DMADone : 0) | UpComplete |
-		     DownComplete, nic->ioaddr + EL3_CMD);
-		return 0;
-	}
-	status = inw(nic->ioaddr + RxStatus);
-
-	if (status & RxDError) {
-		printf("RxDError\n");
-		outw(RxDiscard, nic->ioaddr + EL3_CMD);
-		return 0;
-	}
-
-	rx_fifo = status & RX_BYTES_MASK;
-	if (rx_fifo == 0)
-		return 0;
-
-	if ( ! retrieve ) return 1;
-
-	DBG ( "[l=%d", rx_fifo );
-	insw(nic->ioaddr + RX_FIFO, nic->packet, rx_fifo / 2);
-	if (rx_fifo & 1)
-		nic->packet[rx_fifo - 1] = inb(nic->ioaddr + RX_FIFO);
-	nic->packetlen = rx_fifo;
-
-	while (1) {
-		status = inw(nic->ioaddr + RxStatus);
-		DBG ( "0x%hX*", status );
-		rx_fifo = status & RX_BYTES_MASK;
-
-		if (rx_fifo > 0) {
-			insw(nic->ioaddr + RX_FIFO, nic->packet + nic->packetlen,
-			     rx_fifo / 2);
-			if (rx_fifo & 1)
-				nic->packet[nic->packetlen + rx_fifo - 1] =
-				    inb(nic->ioaddr + RX_FIFO);
-			nic->packetlen += rx_fifo;
-			DBG ( "+%d", rx_fifo );
-		}
-		if ((status & RxComplete) == 0) {
-			DBG ( "=%d", nic->packetlen );
-			break;
-		}
-		udelay(1000);
-	}
-
-	/* acknowledge reception of packet */
-	outw(RxDiscard, nic->ioaddr + EL3_CMD);
-	while (inw(nic->ioaddr + EL3_STATUS) & CmdInProgress);
-#ifdef debug_3c515
-	{
-		unsigned short type = 0;
-		type = (nic->packet[12] << 8) | nic->packet[13];
-		if (nic->packet[0] + nic->packet[1] + nic->packet[2] +
-		    nic->packet[3] + nic->packet[4] + nic->packet[5] ==
-		    0xFF * ETH_ALEN)
-			DBG ( ",t=0x%hX,b]", type );
-		else
-			DBG ( ",t=0x%hX]", type );
-	}
-#endif
-
-	return 1;
-}
-
-/*************************************************************************
-	3Com 515 - specific routines
-**************************************************************************/
-static char padmap[] = {
-	0, 3, 2, 1
-};
-/**************************************************************************
-TRANSMIT - Transmit a frame
-***************************************************************************/
-static void t515_transmit(struct nic *nic, const char *d,	/* Destination */
-			  unsigned int t,	/* Type */
-			  unsigned int s,	/* size */
-			  const char *p)
-{				/* Packet */
-	register int len;
-	int pad;
-	int status;
-
-	DBG ( "{l=%d,t=0x%hX}", s + ETH_HLEN, t );
-
-	/* swap bytes of type */
-	t = htons(t);
-
-	len = s + ETH_HLEN;	/* actual length of packet */
-	pad = padmap[len & 3];
-
-	/*
-	 * The 3c515 automatically pads short packets to minimum ethernet length,
-	 * but we drop packets that are too large. Perhaps we should truncate
-	 * them instead?
-	 Copied from 3c595.  Is this true for the 3c515?
-	 */
-	if (len + pad > ETH_FRAME_LEN) {
-		return;
-	}
-	/* drop acknowledgements */
-	while ((status = inb(nic->ioaddr + TxStatus)) & TxComplete) {
-		/*if(status & (TXS_UNDERRUN|0x88|TXS_STATUS_OVERFLOW)) { */
-		outw(TxReset, nic->ioaddr + EL3_CMD);
-		outw(TxEnable, nic->ioaddr + EL3_CMD);
-/*		}                                                          */
-
-		outb(0x0, nic->ioaddr + TxStatus);
-	}
-
-	while (inw(nic->ioaddr + TxFree) < len + pad + 4) {
-		/* no room in FIFO */
-	}
-
-	outw(len, nic->ioaddr + TX_FIFO);
-	outw(0x0, nic->ioaddr + TX_FIFO);	/* Second dword meaningless */
-
-	/* write packet */
-	outsw(nic->ioaddr + TX_FIFO, d, ETH_ALEN / 2);
-	outsw(nic->ioaddr + TX_FIFO, nic->node_addr, ETH_ALEN / 2);
-	outw(t, nic->ioaddr + TX_FIFO);
-	outsw(nic->ioaddr + TX_FIFO, p, s / 2);
-
-	if (s & 1)
-		outb(*(p + s - 1), nic->ioaddr + TX_FIFO);
-
-	while (pad--)
-		outb(0, nic->ioaddr + TX_FIFO);	/* Padding */
-
-	/* wait for Tx complete */
-	while ((inw(nic->ioaddr + EL3_STATUS) & CmdInProgress) != 0);
-}
-
-/**************************************************************************
-DISABLE - Turn off ethernet interface
-***************************************************************************/
-static void t515_disable ( struct nic *nic,
-			   struct isapnp_device *isapnp ) {
-
-	t515_reset(nic);
-
-	/* This is a hack.  Since ltsp worked on my
-	   system without any disable functionality I
-	   have no way to determine if this works */
-
-	/* Disable the receiver and transmitter. */
-	outw(RxDisable, nic->ioaddr + EL3_CMD);
-	outw(TxDisable, nic->ioaddr + EL3_CMD);
-
-	if (if_port == XCVR_10base2)
-		/* Turn off thinnet power.  Green! */
-		outw(StopCoax, nic->ioaddr + EL3_CMD);
-
-
-	outw(SetIntrEnb | 0x0000, nic->ioaddr + EL3_CMD);
-
-	deactivate_isapnp_device ( isapnp );
-	return;
-}
-
-static void t515_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 t515_operations = {
-	.connect	= dummy_connect,
-	.poll		= t515_poll,
-	.transmit	= t515_transmit,
-	.irq		= t515_irq,
-
-};
-
-/**************************************************************************
-PROBE - Look for an adapter, this routine's visible to the outside
-You should omit the last argument struct pci_device * for a non-PCI NIC
-***************************************************************************/
-static int t515_probe ( struct nic *nic, struct isapnp_device *isapnp ) {
-
-	/* Direct copy from Beckers 3c515.c removing any ISAPNP sections */
-
-	nic->ioaddr = isapnp->ioaddr;
-	nic->irqno = isapnp->irqno;
-	activate_isapnp_device ( isapnp );
-
-	/* Check the resource configuration for a matching ioaddr. */
-	if ((unsigned)(inw(nic->ioaddr + 0x2002) & 0x1f0)
-	    != (nic->ioaddr & 0x1f0)) {
-		DBG ( "3c515 ioaddr mismatch\n" );
-		return 0;
-	}
-
-	/* Verify by reading the device ID from the EEPROM. */
-	{
-		int timer;
-		outw(EEPROM_Read + 7, nic->ioaddr + Wn0EepromCmd);
-		/* Pause for at least 162 us. for the read to take place. */
-		for (timer = 4; timer >= 0; timer--) {
-			t3c515_wait(1);
-			if ((inw(nic->ioaddr + Wn0EepromCmd) & 0x0200) == 0)
-				break;
-		}
-		if (inw(nic->ioaddr + Wn0EepromData) != 0x6d50) {
-			DBG ( "3c515 read incorrect vendor ID from EEPROM" );
-			return 0;
-		}
-
-	}
-	DBG ( "3c515 Resource configuration register 0x%X, DCR 0x%hX.\n",
-	      inl(nic->ioaddr + 0x2002), inw(nic->ioaddr + 0x2000) );
-	corkscrew_found_device(nic->ioaddr, nic->irqno, CORKSCREW_ID,
-			       options, nic);
-	
-	t515_reset(nic);	
-	nic->nic_op	= &t515_operations;
-	return 1;
-}
-
-static int
-corkscrew_found_device(int ioaddr, int irq,
-		       int product_index, int options, struct nic *nic)
-{
-	/* Direct copy from Becker 3c515.c with unecessary parts removed */
-	vp->product_name = "3c515";
-	vp->options = options;
-	if (options >= 0) {
-		vp->media_override =
-		    ((options & 7) == 2) ? 0 : options & 7;
-		vp->full_duplex = (options & 8) ? 1 : 0;
-		vp->bus_master = (options & 16) ? 1 : 0;
-	} else {
-		vp->media_override = 7;
-		vp->full_duplex = 0;
-		vp->bus_master = 0;
-	}
-
-	corkscrew_probe1(ioaddr, irq, product_index, nic);
-	return 0;
-}
-
-static int
-corkscrew_probe1(int ioaddr, int irq, int product_index __unused,
-		 struct nic *nic)
-{
-	unsigned int eeprom[0x40], checksum = 0;	/* EEPROM contents */
-	int i;
-
-	printf("3Com %s at 0x%hX, ", vp->product_name, ioaddr);
-
-	/* Read the station address from the EEPROM. */
-	EL3WINDOW(0);
-	for (i = 0; i < 0x18; i++) {
-		short *phys_addr = (short *) nic->node_addr;
-		int timer;
-		outw(EEPROM_Read + i, ioaddr + Wn0EepromCmd);
-		/* Pause for at least 162 us. for the read to take place. */
-		for (timer = 4; timer >= 0; timer--) {
-			t3c515_wait(1);
-			if ((inw(ioaddr + Wn0EepromCmd) & 0x0200) == 0)
-				break;
-		}
-		eeprom[i] = inw(ioaddr + Wn0EepromData);
-		DBG ( "Value %d: %hX        ", i, eeprom[i] );
-		checksum ^= eeprom[i];
-		if (i < 3)
-			phys_addr[i] = htons(eeprom[i]);
-	}
-	checksum = (checksum ^ (checksum >> 8)) & 0xff;
-	if (checksum != 0x00)
-		printf(" ***INVALID CHECKSUM 0x%hX*** ", checksum);
-
-        DBG ( "%s", eth_ntoa ( nic->node_addr ) );
-
-	if (eeprom[16] == 0x11c7) {	/* Corkscrew */
-
-	}
-	printf(", IRQ %d\n", irq);
-	/* Tell them about an invalid IRQ. */
-	if ( (irq <= 0 || irq > 15) ) {
-		DBG (" *** Warning: this IRQ is unlikely to work! ***\n" );
-	}
-
-	{
-		char *ram_split[] = { "5:3", "3:1", "1:1", "3:5" };
-		union wn3_config config;
-		EL3WINDOW(3);
-		vp->available_media = inw(ioaddr + Wn3_Options);
-		config.i = inl(ioaddr + Wn3_Config);
-		DBG ( "  Internal config register is %4.4x, "
-		      "transceivers 0x%hX.\n",
-		      config.i, inw(ioaddr + Wn3_Options) );
-		printf
-		    ("  %dK %s-wide RAM %s Rx:Tx split, %s%s interface.\n",
-		     8 << config.u.ram_size,
-		     config.u.ram_width ? "word" : "byte",
-		     ram_split[config.u.ram_split],
-		     config.u.autoselect ? "autoselect/" : "",
-		     media_tbl[config.u.xcvr].name);
-		if_port = config.u.xcvr;
-		vp->default_media = config.u.xcvr;
-		vp->autoselect = config.u.autoselect;
-	}
-	if (vp->media_override != 7) {
-		printf("  Media override to transceiver type %d (%s).\n",
-		       vp->media_override,
-		       media_tbl[vp->media_override].name);
-		if_port = vp->media_override;
-	}
-
-	vp->capabilities = eeprom[16];
-	vp->full_bus_master_tx = (vp->capabilities & 0x20) ? 1 : 0;
-	/* Rx is broken at 10mbps, so we always disable it. */
-	/* vp->full_bus_master_rx = 0; */
-	vp->full_bus_master_rx = (vp->capabilities & 0x20) ? 1 : 0;
-
-	return 0;
-}
-
-static struct isapnp_device_id t515_adapters[] = {
-	{ "3c515 (ISAPnP)", ISAPNP_VENDOR('T','C','M'), 0x5051 },
-};
-
-ISAPNP_DRIVER ( t515_driver, t515_adapters );
-
-DRIVER ( "3c515", nic_driver, isapnp_driver, t515_driver,
-	 t515_probe, t515_disable );
-
-ISA_ROM ( "3c515", "3c515 Fast EtherLink ISAPnP" );