toshiba: Move the Toshiba drivers

Move the Toshiba ethernet drivers into drivers/net/ethernet/toshiba
and make the necessary Kconfig and Makefile changes.

CC: Geoff Levand <geoff@infradead.org>
CC: Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
CC: Ishizaki Kou <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 2228 deletions

diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
deleted file mode 100644
index 4a55a162dfe..00000000000
--- a/drivers/net/tc35815.c
+++ /dev/null
@@ -1,2228 +0,0 @@
-/*
- * tc35815.c: A TOSHIBA TC35815CF PCI 10/100Mbps ethernet driver for linux.
- *
- * Based on skelton.c by Donald Becker.
- *
- * This driver is a replacement of older and less maintained version.
- * This is a header of the older version:
- *	-----<snip>-----
- *	Copyright 2001 MontaVista Software Inc.
- *	Author: MontaVista Software, Inc.
- *		ahennessy@mvista.com
- *	Copyright (C) 2000-2001 Toshiba Corporation
- *	static const char *version =
- *		"tc35815.c:v0.00 26/07/2000 by Toshiba Corporation\n";
- *	-----<snip>-----
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * (C) Copyright TOSHIBA CORPORATION 2004-2005
- * All Rights Reserved.
- */
-
-#define DRV_VERSION	"1.39"
-static const char *version = "tc35815.c:v" DRV_VERSION "\n";
-#define MODNAME			"tc35815"
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/fcntl.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/in.h>
-#include <linux/if_vlan.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/spinlock.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-#include <linux/phy.h>
-#include <linux/workqueue.h>
-#include <linux/platform_device.h>
-#include <linux/prefetch.h>
-#include <asm/io.h>
-#include <asm/byteorder.h>
-
-enum tc35815_chiptype {
-	TC35815CF = 0,
-	TC35815_NWU,
-	TC35815_TX4939,
-};
-
-/* indexed by tc35815_chiptype, above */
-static const struct {
-	const char *name;
-} chip_info[] __devinitdata = {
-	{ "TOSHIBA TC35815CF 10/100BaseTX" },
-	{ "TOSHIBA TC35815 with Wake on LAN" },
-	{ "TOSHIBA TC35815/TX4939" },
-};
-
-static DEFINE_PCI_DEVICE_TABLE(tc35815_pci_tbl) = {
-	{PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_TC35815CF), .driver_data = TC35815CF },
-	{PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_TC35815_NWU), .driver_data = TC35815_NWU },
-	{PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA_2, PCI_DEVICE_ID_TOSHIBA_TC35815_TX4939), .driver_data = TC35815_TX4939 },
-	{0,}
-};
-MODULE_DEVICE_TABLE(pci, tc35815_pci_tbl);
-
-/* see MODULE_PARM_DESC */
-static struct tc35815_options {
-	int speed;
-	int duplex;
-} options;
-
-/*
- * Registers
- */
-struct tc35815_regs {
-	__u32 DMA_Ctl;		/* 0x00 */
-	__u32 TxFrmPtr;
-	__u32 TxThrsh;
-	__u32 TxPollCtr;
-	__u32 BLFrmPtr;
-	__u32 RxFragSize;
-	__u32 Int_En;
-	__u32 FDA_Bas;
-	__u32 FDA_Lim;		/* 0x20 */
-	__u32 Int_Src;
-	__u32 unused0[2];
-	__u32 PauseCnt;
-	__u32 RemPauCnt;
-	__u32 TxCtlFrmStat;
-	__u32 unused1;
-	__u32 MAC_Ctl;		/* 0x40 */
-	__u32 CAM_Ctl;
-	__u32 Tx_Ctl;
-	__u32 Tx_Stat;
-	__u32 Rx_Ctl;
-	__u32 Rx_Stat;
-	__u32 MD_Data;
-	__u32 MD_CA;
-	__u32 CAM_Adr;		/* 0x60 */
-	__u32 CAM_Data;
-	__u32 CAM_Ena;
-	__u32 PROM_Ctl;
-	__u32 PROM_Data;
-	__u32 Algn_Cnt;
-	__u32 CRC_Cnt;
-	__u32 Miss_Cnt;
-};
-
-/*
- * Bit assignments
- */
-/* DMA_Ctl bit assign ------------------------------------------------------- */
-#define DMA_RxAlign	       0x00c00000 /* 1:Reception Alignment	     */
-#define DMA_RxAlign_1	       0x00400000
-#define DMA_RxAlign_2	       0x00800000
-#define DMA_RxAlign_3	       0x00c00000
-#define DMA_M66EnStat	       0x00080000 /* 1:66MHz Enable State	     */
-#define DMA_IntMask	       0x00040000 /* 1:Interrupt mask		     */
-#define DMA_SWIntReq	       0x00020000 /* 1:Software Interrupt request    */
-#define DMA_TxWakeUp	       0x00010000 /* 1:Transmit Wake Up		     */
-#define DMA_RxBigE	       0x00008000 /* 1:Receive Big Endian	     */
-#define DMA_TxBigE	       0x00004000 /* 1:Transmit Big Endian	     */
-#define DMA_TestMode	       0x00002000 /* 1:Test Mode		     */
-#define DMA_PowrMgmnt	       0x00001000 /* 1:Power Management		     */
-#define DMA_DmBurst_Mask       0x000001fc /* DMA Burst size		     */
-
-/* RxFragSize bit assign ---------------------------------------------------- */
-#define RxFrag_EnPack	       0x00008000 /* 1:Enable Packing		     */
-#define RxFrag_MinFragMask     0x00000ffc /* Minimum Fragment		     */
-
-/* MAC_Ctl bit assign ------------------------------------------------------- */
-#define MAC_Link10	       0x00008000 /* 1:Link Status 10Mbits	     */
-#define MAC_EnMissRoll	       0x00002000 /* 1:Enable Missed Roll	     */
-#define MAC_MissRoll	       0x00000400 /* 1:Missed Roll		     */
-#define MAC_Loop10	       0x00000080 /* 1:Loop 10 Mbps		     */
-#define MAC_Conn_Auto	       0x00000000 /*00:Connection mode (Automatic)   */
-#define MAC_Conn_10M	       0x00000020 /*01:		       (10Mbps endec)*/
-#define MAC_Conn_Mll	       0x00000040 /*10:		       (Mll clock)   */
-#define MAC_MacLoop	       0x00000010 /* 1:MAC Loopback		     */
-#define MAC_FullDup	       0x00000008 /* 1:Full Duplex 0:Half Duplex     */
-#define MAC_Reset	       0x00000004 /* 1:Software Reset		     */
-#define MAC_HaltImm	       0x00000002 /* 1:Halt Immediate		     */
-#define MAC_HaltReq	       0x00000001 /* 1:Halt request		     */
-
-/* PROM_Ctl bit assign ------------------------------------------------------ */
-#define PROM_Busy	       0x00008000 /* 1:Busy (Start Operation)	     */
-#define PROM_Read	       0x00004000 /*10:Read operation		     */
-#define PROM_Write	       0x00002000 /*01:Write operation		     */
-#define PROM_Erase	       0x00006000 /*11:Erase operation		     */
-					  /*00:Enable or Disable Writting,   */
-					  /*	  as specified in PROM_Addr. */
-#define PROM_Addr_Ena	       0x00000030 /*11xxxx:PROM Write enable	     */
-					  /*00xxxx:	      disable	     */
-
-/* CAM_Ctl bit assign ------------------------------------------------------- */
-#define CAM_CompEn	       0x00000010 /* 1:CAM Compare Enable	     */
-#define CAM_NegCAM	       0x00000008 /* 1:Reject packets CAM recognizes,*/
-					  /*			accept other */
-#define CAM_BroadAcc	       0x00000004 /* 1:Broadcast assept		     */
-#define CAM_GroupAcc	       0x00000002 /* 1:Multicast assept		     */
-#define CAM_StationAcc	       0x00000001 /* 1:unicast accept		     */
-
-/* CAM_Ena bit assign ------------------------------------------------------- */
-#define CAM_ENTRY_MAX		       21   /* CAM Data entry max count	     */
-#define CAM_Ena_Mask ((1<<CAM_ENTRY_MAX)-1) /* CAM Enable bits (Max 21bits)  */
-#define CAM_Ena_Bit(index)	(1 << (index))
-#define CAM_ENTRY_DESTINATION	0
-#define CAM_ENTRY_SOURCE	1
-#define CAM_ENTRY_MACCTL	20
-
-/* Tx_Ctl bit assign -------------------------------------------------------- */
-#define Tx_En		       0x00000001 /* 1:Transmit enable		     */
-#define Tx_TxHalt	       0x00000002 /* 1:Transmit Halt Request	     */
-#define Tx_NoPad	       0x00000004 /* 1:Suppress Padding		     */
-#define Tx_NoCRC	       0x00000008 /* 1:Suppress Padding		     */
-#define Tx_FBack	       0x00000010 /* 1:Fast Back-off		     */
-#define Tx_EnUnder	       0x00000100 /* 1:Enable Underrun		     */
-#define Tx_EnExDefer	       0x00000200 /* 1:Enable Excessive Deferral     */
-#define Tx_EnLCarr	       0x00000400 /* 1:Enable Lost Carrier	     */
-#define Tx_EnExColl	       0x00000800 /* 1:Enable Excessive Collision    */
-#define Tx_EnLateColl	       0x00001000 /* 1:Enable Late Collision	     */
-#define Tx_EnTxPar	       0x00002000 /* 1:Enable Transmit Parity	     */
-#define Tx_EnComp	       0x00004000 /* 1:Enable Completion	     */
-
-/* Tx_Stat bit assign ------------------------------------------------------- */
-#define Tx_TxColl_MASK	       0x0000000F /* Tx Collision Count		     */
-#define Tx_ExColl	       0x00000010 /* Excessive Collision	     */
-#define Tx_TXDefer	       0x00000020 /* Transmit Defered		     */
-#define Tx_Paused	       0x00000040 /* Transmit Paused		     */
-#define Tx_IntTx	       0x00000080 /* Interrupt on Tx		     */
-#define Tx_Under	       0x00000100 /* Underrun			     */
-#define Tx_Defer	       0x00000200 /* Deferral			     */
-#define Tx_NCarr	       0x00000400 /* No Carrier			     */
-#define Tx_10Stat	       0x00000800 /* 10Mbps Status		     */
-#define Tx_LateColl	       0x00001000 /* Late Collision		     */
-#define Tx_TxPar	       0x00002000 /* Tx Parity Error		     */
-#define Tx_Comp		       0x00004000 /* Completion			     */
-#define Tx_Halted	       0x00008000 /* Tx Halted			     */
-#define Tx_SQErr	       0x00010000 /* Signal Quality Error(SQE)	     */
-
-/* Rx_Ctl bit assign -------------------------------------------------------- */
-#define Rx_EnGood	       0x00004000 /* 1:Enable Good		     */
-#define Rx_EnRxPar	       0x00002000 /* 1:Enable Receive Parity	     */
-#define Rx_EnLongErr	       0x00000800 /* 1:Enable Long Error	     */
-#define Rx_EnOver	       0x00000400 /* 1:Enable OverFlow		     */
-#define Rx_EnCRCErr	       0x00000200 /* 1:Enable CRC Error		     */
-#define Rx_EnAlign	       0x00000100 /* 1:Enable Alignment		     */
-#define Rx_IgnoreCRC	       0x00000040 /* 1:Ignore CRC Value		     */
-#define Rx_StripCRC	       0x00000010 /* 1:Strip CRC Value		     */
-#define Rx_ShortEn	       0x00000008 /* 1:Short Enable		     */
-#define Rx_LongEn	       0x00000004 /* 1:Long Enable		     */
-#define Rx_RxHalt	       0x00000002 /* 1:Receive Halt Request	     */
-#define Rx_RxEn		       0x00000001 /* 1:Receive Intrrupt Enable	     */
-
-/* Rx_Stat bit assign ------------------------------------------------------- */
-#define Rx_Halted	       0x00008000 /* Rx Halted			     */
-#define Rx_Good		       0x00004000 /* Rx Good			     */
-#define Rx_RxPar	       0x00002000 /* Rx Parity Error		     */
-#define Rx_TypePkt	       0x00001000 /* Rx Type Packet		     */
-#define Rx_LongErr	       0x00000800 /* Rx Long Error		     */
-#define Rx_Over		       0x00000400 /* Rx Overflow		     */
-#define Rx_CRCErr	       0x00000200 /* Rx CRC Error		     */
-#define Rx_Align	       0x00000100 /* Rx Alignment Error		     */
-#define Rx_10Stat	       0x00000080 /* Rx 10Mbps Status		     */
-#define Rx_IntRx	       0x00000040 /* Rx Interrupt		     */
-#define Rx_CtlRecd	       0x00000020 /* Rx Control Receive		     */
-#define Rx_InLenErr	       0x00000010 /* Rx In Range Frame Length Error  */
-
-#define Rx_Stat_Mask	       0x0000FFF0 /* Rx All Status Mask		     */
-
-/* Int_En bit assign -------------------------------------------------------- */
-#define Int_NRAbtEn	       0x00000800 /* 1:Non-recoverable Abort Enable  */
-#define Int_TxCtlCmpEn	       0x00000400 /* 1:Transmit Ctl Complete Enable  */
-#define Int_DmParErrEn	       0x00000200 /* 1:DMA Parity Error Enable	     */
-#define Int_DParDEn	       0x00000100 /* 1:Data Parity Error Enable	     */
-#define Int_EarNotEn	       0x00000080 /* 1:Early Notify Enable	     */
-#define Int_DParErrEn	       0x00000040 /* 1:Detected Parity Error Enable  */
-#define Int_SSysErrEn	       0x00000020 /* 1:Signalled System Error Enable */
-#define Int_RMasAbtEn	       0x00000010 /* 1:Received Master Abort Enable  */
-#define Int_RTargAbtEn	       0x00000008 /* 1:Received Target Abort Enable  */
-#define Int_STargAbtEn	       0x00000004 /* 1:Signalled Target Abort Enable */
-#define Int_BLExEn	       0x00000002 /* 1:Buffer List Exhausted Enable  */
-#define Int_FDAExEn	       0x00000001 /* 1:Free Descriptor Area	     */
-					  /*		   Exhausted Enable  */
-
-/* Int_Src bit assign ------------------------------------------------------- */
-#define Int_NRabt	       0x00004000 /* 1:Non Recoverable error	     */
-#define Int_DmParErrStat       0x00002000 /* 1:DMA Parity Error & Clear	     */
-#define Int_BLEx	       0x00001000 /* 1:Buffer List Empty & Clear     */
-#define Int_FDAEx	       0x00000800 /* 1:FDA Empty & Clear	     */
-#define Int_IntNRAbt	       0x00000400 /* 1:Non Recoverable Abort	     */
-#define Int_IntCmp	       0x00000200 /* 1:MAC control packet complete   */
-#define Int_IntExBD	       0x00000100 /* 1:Interrupt Extra BD & Clear    */
-#define Int_DmParErr	       0x00000080 /* 1:DMA Parity Error & Clear	     */
-#define Int_IntEarNot	       0x00000040 /* 1:Receive Data write & Clear    */
-#define Int_SWInt	       0x00000020 /* 1:Software request & Clear	     */
-#define Int_IntBLEx	       0x00000010 /* 1:Buffer List Empty & Clear     */
-#define Int_IntFDAEx	       0x00000008 /* 1:FDA Empty & Clear	     */
-#define Int_IntPCI	       0x00000004 /* 1:PCI controller & Clear	     */
-#define Int_IntMacRx	       0x00000002 /* 1:Rx controller & Clear	     */
-#define Int_IntMacTx	       0x00000001 /* 1:Tx controller & Clear	     */
-
-/* MD_CA bit assign --------------------------------------------------------- */
-#define MD_CA_PreSup	       0x00001000 /* 1:Preamble Suppress		     */
-#define MD_CA_Busy	       0x00000800 /* 1:Busy (Start Operation)	     */
-#define MD_CA_Wr	       0x00000400 /* 1:Write 0:Read		     */
-
-
-/*
- * Descriptors
- */
-
-/* Frame descripter */
-struct FDesc {
-	volatile __u32 FDNext;
-	volatile __u32 FDSystem;
-	volatile __u32 FDStat;
-	volatile __u32 FDCtl;
-};
-
-/* Buffer descripter */
-struct BDesc {
-	volatile __u32 BuffData;
-	volatile __u32 BDCtl;
-};
-
-#define FD_ALIGN	16
-
-/* Frame Descripter bit assign ---------------------------------------------- */
-#define FD_FDLength_MASK       0x0000FFFF /* Length MASK		     */
-#define FD_BDCnt_MASK	       0x001F0000 /* BD count MASK in FD	     */
-#define FD_FrmOpt_MASK	       0x7C000000 /* Frame option MASK		     */
-#define FD_FrmOpt_BigEndian    0x40000000 /* Tx/Rx */
-#define FD_FrmOpt_IntTx	       0x20000000 /* Tx only */
-#define FD_FrmOpt_NoCRC	       0x10000000 /* Tx only */
-#define FD_FrmOpt_NoPadding    0x08000000 /* Tx only */
-#define FD_FrmOpt_Packing      0x04000000 /* Rx only */
-#define FD_CownsFD	       0x80000000 /* FD Controller owner bit	     */
-#define FD_Next_EOL	       0x00000001 /* FD EOL indicator		     */
-#define FD_BDCnt_SHIFT	       16
-
-/* Buffer Descripter bit assign --------------------------------------------- */
-#define BD_BuffLength_MASK     0x0000FFFF /* Receive Data Size		     */
-#define BD_RxBDID_MASK	       0x00FF0000 /* BD ID Number MASK		     */
-#define BD_RxBDSeqN_MASK       0x7F000000 /* Rx BD Sequence Number	     */
-#define BD_CownsBD	       0x80000000 /* BD Controller owner bit	     */
-#define BD_RxBDID_SHIFT	       16
-#define BD_RxBDSeqN_SHIFT      24
-
-
-/* Some useful constants. */
-
-#define TX_CTL_CMD	(Tx_EnTxPar | Tx_EnLateColl | \
-	Tx_EnExColl | Tx_EnLCarr | Tx_EnExDefer | Tx_EnUnder | \
-	Tx_En)	/* maybe  0x7b01 */
-/* Do not use Rx_StripCRC -- it causes trouble on BLEx/FDAEx condition */
-#define RX_CTL_CMD	(Rx_EnGood | Rx_EnRxPar | Rx_EnLongErr | Rx_EnOver \
-	| Rx_EnCRCErr | Rx_EnAlign | Rx_RxEn) /* maybe 0x6f01 */
-#define INT_EN_CMD  (Int_NRAbtEn | \
-	Int_DmParErrEn | Int_DParDEn | Int_DParErrEn | \
-	Int_SSysErrEn  | Int_RMasAbtEn | Int_RTargAbtEn | \
-	Int_STargAbtEn | \
-	Int_BLExEn  | Int_FDAExEn) /* maybe 0xb7f*/
-#define DMA_CTL_CMD	DMA_BURST_SIZE
-#define HAVE_DMA_RXALIGN(lp)	likely((lp)->chiptype != TC35815CF)
-
-/* Tuning parameters */
-#define DMA_BURST_SIZE	32
-#define TX_THRESHOLD	1024
-/* used threshold with packet max byte for low pci transfer ability.*/
-#define TX_THRESHOLD_MAX 1536
-/* setting threshold max value when overrun error occurred this count. */
-#define TX_THRESHOLD_KEEP_LIMIT 10
-
-/* 16 + RX_BUF_NUM * 8 + RX_FD_NUM * 16 + TX_FD_NUM * 32 <= PAGE_SIZE*FD_PAGE_NUM */
-#define FD_PAGE_NUM 4
-#define RX_BUF_NUM	128	/* < 256 */
-#define RX_FD_NUM	256	/* >= 32 */
-#define TX_FD_NUM	128
-#if RX_CTL_CMD & Rx_LongEn
-#define RX_BUF_SIZE	PAGE_SIZE
-#elif RX_CTL_CMD & Rx_StripCRC
-#define RX_BUF_SIZE	\
-	L1_CACHE_ALIGN(ETH_FRAME_LEN + VLAN_HLEN + NET_IP_ALIGN)
-#else
-#define RX_BUF_SIZE	\
-	L1_CACHE_ALIGN(ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN + NET_IP_ALIGN)
-#endif
-#define RX_FD_RESERVE	(2 / 2)	/* max 2 BD per RxFD */
-#define NAPI_WEIGHT	16
-
-struct TxFD {
-	struct FDesc fd;
-	struct BDesc bd;
-	struct BDesc unused;
-};
-
-struct RxFD {
-	struct FDesc fd;
-	struct BDesc bd[0];	/* variable length */
-};
-
-struct FrFD {
-	struct FDesc fd;
-	struct BDesc bd[RX_BUF_NUM];
-};
-
-
-#define tc_readl(addr)	ioread32(addr)
-#define tc_writel(d, addr)	iowrite32(d, addr)
-
-#define TC35815_TX_TIMEOUT  msecs_to_jiffies(400)
-
-/* Information that need to be kept for each controller. */
-struct tc35815_local {
-	struct pci_dev *pci_dev;
-
-	struct net_device *dev;
-	struct napi_struct napi;
-
-	/* statistics */
-	struct {
-		int max_tx_qlen;
-		int tx_ints;
-		int rx_ints;
-		int tx_underrun;
-	} lstats;
-
-	/* Tx control lock.  This protects the transmit buffer ring
-	 * state along with the "tx full" state of the driver.  This
-	 * means all netif_queue flow control actions are protected
-	 * by this lock as well.
-	 */
-	spinlock_t lock;
-	spinlock_t rx_lock;
-
-	struct mii_bus *mii_bus;
-	struct phy_device *phy_dev;
-	int duplex;
-	int speed;
-	int link;
-	struct work_struct restart_work;
-
-	/*
-	 * Transmitting: Batch Mode.
-	 *	1 BD in 1 TxFD.
-	 * Receiving: Non-Packing Mode.
-	 *	1 circular FD for Free Buffer List.
-	 *	RX_BUF_NUM BD in Free Buffer FD.
-	 *	One Free Buffer BD has ETH_FRAME_LEN data buffer.
-	 */
-	void *fd_buf;	/* for TxFD, RxFD, FrFD */
-	dma_addr_t fd_buf_dma;
-	struct TxFD *tfd_base;
-	unsigned int tfd_start;
-	unsigned int tfd_end;
-	struct RxFD *rfd_base;
-	struct RxFD *rfd_limit;
-	struct RxFD *rfd_cur;
-	struct FrFD *fbl_ptr;
-	unsigned int fbl_count;
-	struct {
-		struct sk_buff *skb;
-		dma_addr_t skb_dma;
-	} tx_skbs[TX_FD_NUM], rx_skbs[RX_BUF_NUM];
-	u32 msg_enable;
-	enum tc35815_chiptype chiptype;
-};
-
-static inline dma_addr_t fd_virt_to_bus(struct tc35815_local *lp, void *virt)
-{
-	return lp->fd_buf_dma + ((u8 *)virt - (u8 *)lp->fd_buf);
-}
-#ifdef DEBUG
-static inline void *fd_bus_to_virt(struct tc35815_local *lp, dma_addr_t bus)
-{
-	return (void *)((u8 *)lp->fd_buf + (bus - lp->fd_buf_dma));
-}
-#endif
-static struct sk_buff *alloc_rxbuf_skb(struct net_device *dev,
-				       struct pci_dev *hwdev,
-				       dma_addr_t *dma_handle)
-{
-	struct sk_buff *skb;
-	skb = dev_alloc_skb(RX_BUF_SIZE);
-	if (!skb)
-		return NULL;
-	*dma_handle = pci_map_single(hwdev, skb->data, RX_BUF_SIZE,
-				     PCI_DMA_FROMDEVICE);
-	if (pci_dma_mapping_error(hwdev, *dma_handle)) {
-		dev_kfree_skb_any(skb);
-		return NULL;
-	}
-	skb_reserve(skb, 2);	/* make IP header 4byte aligned */
-	return skb;
-}
-
-static void free_rxbuf_skb(struct pci_dev *hwdev, struct sk_buff *skb, dma_addr_t dma_handle)
-{
-	pci_unmap_single(hwdev, dma_handle, RX_BUF_SIZE,
-			 PCI_DMA_FROMDEVICE);
-	dev_kfree_skb_any(skb);
-}
-
-/* Index to functions, as function prototypes. */
-
-static int	tc35815_open(struct net_device *dev);
-static int	tc35815_send_packet(struct sk_buff *skb, struct net_device *dev);
-static irqreturn_t	tc35815_interrupt(int irq, void *dev_id);
-static int	tc35815_rx(struct net_device *dev, int limit);
-static int	tc35815_poll(struct napi_struct *napi, int budget);
-static void	tc35815_txdone(struct net_device *dev);
-static int	tc35815_close(struct net_device *dev);
-static struct	net_device_stats *tc35815_get_stats(struct net_device *dev);
-static void	tc35815_set_multicast_list(struct net_device *dev);
-static void	tc35815_tx_timeout(struct net_device *dev);
-static int	tc35815_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void	tc35815_poll_controller(struct net_device *dev);
-#endif
-static const struct ethtool_ops tc35815_ethtool_ops;
-
-/* Example routines you must write ;->. */
-static void	tc35815_chip_reset(struct net_device *dev);
-static void	tc35815_chip_init(struct net_device *dev);
-
-#ifdef DEBUG
-static void	panic_queues(struct net_device *dev);
-#endif
-
-static void tc35815_restart_work(struct work_struct *work);
-
-static int tc_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
-{
-	struct net_device *dev = bus->priv;
-	struct tc35815_regs __iomem *tr =
-		(struct tc35815_regs __iomem *)dev->base_addr;
-	unsigned long timeout = jiffies + HZ;
-
-	tc_writel(MD_CA_Busy | (mii_id << 5) | (regnum & 0x1f), &tr->MD_CA);
-	udelay(12); /* it takes 32 x 400ns at least */
-	while (tc_readl(&tr->MD_CA) & MD_CA_Busy) {
-		if (time_after(jiffies, timeout))
-			return -EIO;
-		cpu_relax();
-	}
-	return tc_readl(&tr->MD_Data) & 0xffff;
-}
-
-static int tc_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 val)
-{
-	struct net_device *dev = bus->priv;
-	struct tc35815_regs __iomem *tr =
-		(struct tc35815_regs __iomem *)dev->base_addr;
-	unsigned long timeout = jiffies + HZ;
-
-	tc_writel(val, &tr->MD_Data);
-	tc_writel(MD_CA_Busy | MD_CA_Wr | (mii_id << 5) | (regnum & 0x1f),
-		  &tr->MD_CA);
-	udelay(12); /* it takes 32 x 400ns at least */
-	while (tc_readl(&tr->MD_CA) & MD_CA_Busy) {
-		if (time_after(jiffies, timeout))
-			return -EIO;
-		cpu_relax();
-	}
-	return 0;
-}
-
-static void tc_handle_link_change(struct net_device *dev)
-{
-	struct tc35815_local *lp = netdev_priv(dev);
-	struct phy_device *phydev = lp->phy_dev;
-	unsigned long flags;
-	int status_change = 0;
-
-	spin_lock_irqsave(&lp->lock, flags);
-	if (phydev->link &&
-	    (lp->speed != phydev->speed || lp->duplex != phydev->duplex)) {
-		struct tc35815_regs __iomem *tr =
-			(struct tc35815_regs __iomem *)dev->base_addr;
-		u32 reg;
-
-		reg = tc_readl(&tr->MAC_Ctl);
-		reg |= MAC_HaltReq;
-		tc_writel(reg, &tr->MAC_Ctl);
-		if (phydev->duplex == DUPLEX_FULL)
-			reg |= MAC_FullDup;
-		else
-			reg &= ~MAC_FullDup;
-		tc_writel(reg, &tr->MAC_Ctl);
-		reg &= ~MAC_HaltReq;
-		tc_writel(reg, &tr->MAC_Ctl);
-
-		/*
-		 * TX4939 PCFG.SPEEDn bit will be changed on
-		 * NETDEV_CHANGE event.
-		 */
-		/*
-		 * WORKAROUND: enable LostCrS only if half duplex
-		 * operation.
-		 * (TX4939 does not have EnLCarr)
-		 */
-		if (phydev->duplex == DUPLEX_HALF &&
-		    lp->chiptype != TC35815_TX4939)
-			tc_writel(tc_readl(&tr->Tx_Ctl) | Tx_EnLCarr,
-				  &tr->Tx_Ctl);
-
-		lp->speed = phydev->speed;
-		lp->duplex = phydev->duplex;
-		status_change = 1;
-	}
-
-	if (phydev->link != lp->link) {
-		if (phydev->link) {
-			/* delayed promiscuous enabling */
-			if (dev->flags & IFF_PROMISC)
-				tc35815_set_multicast_list(dev);
-		} else {
-			lp->speed = 0;
-			lp->duplex = -1;
-		}
-		lp->link = phydev->link;
-
-		status_change = 1;
-	}
-	spin_unlock_irqrestore(&lp->lock, flags);
-
-	if (status_change && netif_msg_link(lp)) {
-		phy_print_status(phydev);
-		pr_debug("%s: MII BMCR %04x BMSR %04x LPA %04x\n",
-			 dev->name,
-			 phy_read(phydev, MII_BMCR),
-			 phy_read(phydev, MII_BMSR),
-			 phy_read(phydev, MII_LPA));
-	}
-}
-
-static int tc_mii_probe(struct net_device *dev)
-{
-	struct tc35815_local *lp = netdev_priv(dev);
-	struct phy_device *phydev = NULL;
-	int phy_addr;
-	u32 dropmask;
-
-	/* find the first phy */
-	for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
-		if (lp->mii_bus->phy_map[phy_addr]) {
-			if (phydev) {
-				printk(KERN_ERR "%s: multiple PHYs found\n",
-				       dev->name);
-				return -EINVAL;
-			}
-			phydev = lp->mii_bus->phy_map[phy_addr];
-			break;
-		}
-	}
-
-	if (!phydev) {
-		printk(KERN_ERR "%s: no PHY found\n", dev->name);
-		return -ENODEV;
-	}
-
-	/* attach the mac to the phy */
-	phydev = phy_connect(dev, dev_name(&phydev->dev),
-			     &tc_handle_link_change, 0,
-			     lp->chiptype == TC35815_TX4939 ?
-			     PHY_INTERFACE_MODE_RMII : PHY_INTERFACE_MODE_MII);
-	if (IS_ERR(phydev)) {
-		printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
-		return PTR_ERR(phydev);
-	}
-	printk(KERN_INFO "%s: attached PHY driver [%s] "
-		"(mii_bus:phy_addr=%s, id=%x)\n",
-		dev->name, phydev->drv->name, dev_name(&phydev->dev),
-		phydev->phy_id);
-
-	/* mask with MAC supported features */
-	phydev->supported &= PHY_BASIC_FEATURES;
-	dropmask = 0;
-	if (options.speed == 10)
-		dropmask |= SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full;
-	else if (options.speed == 100)
-		dropmask |= SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full;
-	if (options.duplex == 1)
-		dropmask |= SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Full;
-	else if (options.duplex == 2)
-		dropmask |= SUPPORTED_10baseT_Half | SUPPORTED_100baseT_Half;
-	phydev->supported &= ~dropmask;
-	phydev->advertising = phydev->supported;
-
-	lp->link = 0;
-	lp->speed = 0;
-	lp->duplex = -1;
-	lp->phy_dev = phydev;
-
-	return 0;
-}
-
-static int tc_mii_init(struct net_device *dev)
-{
-	struct tc35815_local *lp = netdev_priv(dev);
-	int err;
-	int i;
-
-	lp->mii_bus = mdiobus_alloc();
-	if (lp->mii_bus == NULL) {
-		err = -ENOMEM;
-		goto err_out;
-	}
-
-	lp->mii_bus->name = "tc35815_mii_bus";
-	lp->mii_bus->read = tc_mdio_read;
-	lp->mii_bus->write = tc_mdio_write;
-	snprintf(lp->mii_bus->id, MII_BUS_ID_SIZE, "%x",
-		 (lp->pci_dev->bus->number << 8) | lp->pci_dev->devfn);
-	lp->mii_bus->priv = dev;
-	lp->mii_bus->parent = &lp->pci_dev->dev;
-	lp->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
-	if (!lp->mii_bus->irq) {
-		err = -ENOMEM;
-		goto err_out_free_mii_bus;
-	}
-
-	for (i = 0; i < PHY_MAX_ADDR; i++)
-		lp->mii_bus->irq[i] = PHY_POLL;
-
-	err = mdiobus_register(lp->mii_bus);
-	if (err)
-		goto err_out_free_mdio_irq;
-	err = tc_mii_probe(dev);
-	if (err)
-		goto err_out_unregister_bus;
-	return 0;
-
-err_out_unregister_bus:
-	mdiobus_unregister(lp->mii_bus);
-err_out_free_mdio_irq:
-	kfree(lp->mii_bus->irq);
-err_out_free_mii_bus:
-	mdiobus_free(lp->mii_bus);
-err_out:
-	return err;
-}
-
-#ifdef CONFIG_CPU_TX49XX
-/*
- * Find a platform_device providing a MAC address.  The platform code
- * should provide a "tc35815-mac" device with a MAC address in its
- * platform_data.
- */
-static int __devinit tc35815_mac_match(struct device *dev, void *data)
-{
-	struct platform_device *plat_dev = to_platform_device(dev);
-	struct pci_dev *pci_dev = data;
-	unsigned int id = pci_dev->irq;
-	return !strcmp(plat_dev->name, "tc35815-mac") && plat_dev->id == id;
-}
-
-static int __devinit tc35815_read_plat_dev_addr(struct net_device *dev)
-{
-	struct tc35815_local *lp = netdev_priv(dev);
-	struct device *pd = bus_find_device(&platform_bus_type, NULL,
-					    lp->pci_dev, tc35815_mac_match);
-	if (pd) {
-		if (pd->platform_data)
-			memcpy(dev->dev_addr, pd->platform_data, ETH_ALEN);
-		put_device(pd);
-		return is_valid_ether_addr(dev->dev_addr) ? 0 : -ENODEV;
-	}
-	return -ENODEV;
-}
-#else
-static int __devinit tc35815_read_plat_dev_addr(struct net_device *dev)
-{
-	return -ENODEV;
-}
-#endif
-
-static int __devinit tc35815_init_dev_addr(struct net_device *dev)
-{
-	struct tc35815_regs __iomem *tr =
-		(struct tc35815_regs __iomem *)dev->base_addr;
-	int i;
-
-	while (tc_readl(&tr->PROM_Ctl) & PROM_Busy)
-		;
-	for (i = 0; i < 6; i += 2) {
-		unsigned short data;
-		tc_writel(PROM_Busy | PROM_Read | (i / 2 + 2), &tr->PROM_Ctl);
-		while (tc_readl(&tr->PROM_Ctl) & PROM_Busy)
-			;
-		data = tc_readl(&tr->PROM_Data);
-		dev->dev_addr[i] = data & 0xff;
-		dev->dev_addr[i+1] = data >> 8;
-	}
-	if (!is_valid_ether_addr(dev->dev_addr))
-		return tc35815_read_plat_dev_addr(dev);
-	return 0;
-}
-
-static const struct net_device_ops tc35815_netdev_ops = {
-	.ndo_open		= tc35815_open,
-	.ndo_stop		= tc35815_close,
-	.ndo_start_xmit		= tc35815_send_packet,
-	.ndo_get_stats		= tc35815_get_stats,
-	.ndo_set_multicast_list	= tc35815_set_multicast_list,
-	.ndo_tx_timeout		= tc35815_tx_timeout,
-	.ndo_do_ioctl		= tc35815_ioctl,
-	.ndo_validate_addr	= eth_validate_addr,
-	.ndo_change_mtu		= eth_change_mtu,
-	.ndo_set_mac_address	= eth_mac_addr,
-#ifdef CONFIG_NET_POLL_CONTROLLER
-	.ndo_poll_controller	= tc35815_poll_controller,
-#endif
-};
-
-static int __devinit tc35815_init_one(struct pci_dev *pdev,
-				      const struct pci_device_id *ent)
-{
-	void __iomem *ioaddr = NULL;
-	struct net_device *dev;
-	struct tc35815_local *lp;
-	int rc;
-
-	static int printed_version;
-	if (!printed_version++) {
-		printk(version);
-		dev_printk(KERN_DEBUG, &pdev->dev,
-			   "speed:%d duplex:%d\n",
-			   options.speed, options.duplex);
-	}
-
-	if (!pdev->irq) {
-		dev_warn(&pdev->dev, "no IRQ assigned.\n");
-		return -ENODEV;
-	}
-
-	/* dev zeroed in alloc_etherdev */
-	dev = alloc_etherdev(sizeof(*lp));
-	if (dev == NULL) {
-		dev_err(&pdev->dev, "unable to alloc new ethernet\n");
-		return -ENOMEM;
-	}
-	SET_NETDEV_DEV(dev, &pdev->dev);
-	lp = netdev_priv(dev);
-	lp->dev = dev;
-
-	/* enable device (incl. PCI PM wakeup), and bus-mastering */
-	rc = pcim_enable_device(pdev);
-	if (rc)
-		goto err_out;
-	rc = pcim_iomap_regions(pdev, 1 << 1, MODNAME);
-	if (rc)
-		goto err_out;
-	pci_set_master(pdev);
-	ioaddr = pcim_iomap_table(pdev)[1];
-
-	/* Initialize the device structure. */
-	dev->netdev_ops = &tc35815_netdev_ops;
-	dev->ethtool_ops = &tc35815_ethtool_ops;
-	dev->watchdog_timeo = TC35815_TX_TIMEOUT;
-	netif_napi_add(dev, &lp->napi, tc35815_poll, NAPI_WEIGHT);
-
-	dev->irq = pdev->irq;
-	dev->base_addr = (unsigned long)ioaddr;
-
-	INIT_WORK(&lp->restart_work, tc35815_restart_work);
-	spin_lock_init(&lp->lock);
-	spin_lock_init(&lp->rx_lock);
-	lp->pci_dev = pdev;
-	lp->chiptype = ent->driver_data;
-
-	lp->msg_enable = NETIF_MSG_TX_ERR | NETIF_MSG_HW | NETIF_MSG_DRV | NETIF_MSG_LINK;
-	pci_set_drvdata(pdev, dev);
-
-	/* Soft reset the chip. */
-	tc35815_chip_reset(dev);
-
-	/* Retrieve the ethernet address. */
-	if (tc35815_init_dev_addr(dev)) {
-		dev_warn(&pdev->dev, "not valid ether addr\n");
-		random_ether_addr(dev->dev_addr);
-	}
-
-	rc = register_netdev(dev);
-	if (rc)
-		goto err_out;
-
-	memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
-	printk(KERN_INFO "%s: %s at 0x%lx, %pM, IRQ %d\n",
-		dev->name,
-		chip_info[ent->driver_data].name,
-		dev->base_addr,
-		dev->dev_addr,
-		dev->irq);
-
-	rc = tc_mii_init(dev);
-	if (rc)
-		goto err_out_unregister;
-
-	return 0;
-
-err_out_unregister:
-	unregister_netdev(dev);
-err_out:
-	free_netdev(dev);
-	return rc;
-}
-
-
-static void __devexit tc35815_remove_one(struct pci_dev *pdev)
-{
-	struct net_device *dev = pci_get_drvdata(pdev);
-	struct tc35815_local *lp = netdev_priv(dev);
-
-	phy_disconnect(lp->phy_dev);
-	mdiobus_unregister(lp->mii_bus);
-	kfree(lp->mii_bus->irq);
-	mdiobus_free(lp->mii_bus);
-	unregister_netdev(dev);
-	free_netdev(dev);
-	pci_set_drvdata(pdev, NULL);
-}
-
-static int
-tc35815_init_queues(struct net_device *dev)
-{
-	struct tc35815_local *lp = netdev_priv(dev);
-	int i;
-	unsigned long fd_addr;
-
-	if (!lp->fd_buf) {
-		BUG_ON(sizeof(struct FDesc) +
-		       sizeof(struct BDesc) * RX_BUF_NUM +
-		       sizeof(struct FDesc) * RX_FD_NUM +
-		       sizeof(struct TxFD) * TX_FD_NUM >
-		       PAGE_SIZE * FD_PAGE_NUM);
-
-		lp->fd_buf = pci_alloc_consistent(lp->pci_dev,
-						  PAGE_SIZE * FD_PAGE_NUM,
-						  &lp->fd_buf_dma);
-		if (!lp->fd_buf)
-			return -ENOMEM;
-		for (i = 0; i < RX_BUF_NUM; i++) {
-			lp->rx_skbs[i].skb =
-				alloc_rxbuf_skb(dev, lp->pci_dev,
-						&lp->rx_skbs[i].skb_dma);
-			if (!lp->rx_skbs[i].skb) {
-				while (--i >= 0) {
-					free_rxbuf_skb(lp->pci_dev,
-						       lp->rx_skbs[i].skb,
-						       lp->rx_skbs[i].skb_dma);
-					lp->rx_skbs[i].skb = NULL;
-				}
-				pci_free_consistent(lp->pci_dev,
-						    PAGE_SIZE * FD_PAGE_NUM,
-						    lp->fd_buf,
-						    lp->fd_buf_dma);
-				lp->fd_buf = NULL;
-				return -ENOMEM;
-			}
-		}
-		printk(KERN_DEBUG "%s: FD buf %p DataBuf",
-		       dev->name, lp->fd_buf);
-		printk("\n");
-	} else {
-		for (i = 0; i < FD_PAGE_NUM; i++)
-			clear_page((void *)((unsigned long)lp->fd_buf +
-					    i * PAGE_SIZE));
-	}
-	fd_addr = (unsigned long)lp->fd_buf;
-
-	/* Free Descriptors (for Receive) */
-	lp->rfd_base = (struct RxFD *)fd_addr;
-	fd_addr += sizeof(struct RxFD) * RX_FD_NUM;
-	for (i = 0; i < RX_FD_NUM; i++)
-		lp->rfd_base[i].fd.FDCtl = cpu_to_le32(FD_CownsFD);
-	lp->rfd_cur = lp->rfd_base;
-	lp->rfd_limit = (struct RxFD *)fd_addr - (RX_FD_RESERVE + 1);
-
-	/* Transmit Descriptors */
-	lp->tfd_base = (struct TxFD *)fd_addr;
-	fd_addr += sizeof(struct TxFD) * TX_FD_NUM;
-	for (i = 0; i < TX_FD_NUM; i++) {
-		lp->tfd_base[i].fd.FDNext = cpu_to_le32(fd_virt_to_bus(lp, &lp->tfd_base[i+1]));
-		lp->tfd_base[i].fd.FDSystem = cpu_to_le32(0xffffffff);
-		lp->tfd_base[i].fd.FDCtl = cpu_to_le32(0);
-	}
-	lp->tfd_base[TX_FD_NUM-1].fd.FDNext = cpu_to_le32(fd_virt_to_bus(lp, &lp->tfd_base[0]));
-	lp->tfd_start = 0;
-	lp->tfd_end = 0;
-
-	/* Buffer List (for Receive) */
-	lp->fbl_ptr = (struct FrFD *)fd_addr;
-	lp->fbl_ptr->fd.FDNext = cpu_to_le32(fd_virt_to_bus(lp, lp->fbl_ptr));
-	lp->fbl_ptr->fd.FDCtl = cpu_to_le32(RX_BUF_NUM | FD_CownsFD);
-	/*
-	 * move all allocated skbs to head of rx_skbs[] array.
-	 * fbl_count mighe not be RX_BUF_NUM if alloc_rxbuf_skb() in
-	 * tc35815_rx() had failed.
-	 */
-	lp->fbl_count = 0;
-	for (i = 0; i < RX_BUF_NUM; i++) {
-		if (lp->rx_skbs[i].skb) {
-			if (i != lp->fbl_count) {
-				lp->rx_skbs[lp->fbl_count].skb =
-					lp->rx_skbs[i].skb;
-				lp->rx_skbs[lp->fbl_count].skb_dma =
-					lp->rx_skbs[i].skb_dma;
-			}
-			lp->fbl_count++;
-		}
-	}
-	for (i = 0; i < RX_BUF_NUM; i++) {
-		if (i >= lp->fbl_count) {
-			lp->fbl_ptr->bd[i].BuffData = 0;
-			lp->fbl_ptr->bd[i].BDCtl = 0;
-			continue;
-		}
-		lp->fbl_ptr->bd[i].BuffData =
-			cpu_to_le32(lp->rx_skbs[i].skb_dma);
-		/* BDID is index of FrFD.bd[] */
-		lp->fbl_ptr->bd[i].BDCtl =
-			cpu_to_le32(BD_CownsBD | (i << BD_RxBDID_SHIFT) |
-				    RX_BUF_SIZE);
-	}
-
-	printk(KERN_DEBUG "%s: TxFD %p RxFD %p FrFD %p\n",
-	       dev->name, lp->tfd_base, lp->rfd_base, lp->fbl_ptr);
-	return 0;
-}
-
-static void
-tc35815_clear_queues(struct net_device *dev)
-{
-	struct tc35815_local *lp = netdev_priv(dev);
-	int i;
-
-	for (i = 0; i < TX_FD_NUM; i++) {
-		u32 fdsystem = le32_to_cpu(lp->tfd_base[i].fd.FDSystem);
-		struct sk_buff *skb =
-			fdsystem != 0xffffffff ?
-			lp->tx_skbs[fdsystem].skb : NULL;
-#ifdef DEBUG
-		if (lp->tx_skbs[i].skb != skb) {
-			printk("%s: tx_skbs mismatch(%d).\n", dev->name, i);
-			panic_queues(dev);
-		}
-#else
-		BUG_ON(lp->tx_skbs[i].skb != skb);
-#endif
-		if (skb) {
-			pci_unmap_single(lp->pci_dev, lp->tx_skbs[i].skb_dma, skb->len, PCI_DMA_TODEVICE);
-			lp->tx_skbs[i].skb = NULL;
-			lp->tx_skbs[i].skb_dma = 0;
-			dev_kfree_skb_any(skb);
-		}
-		lp->tfd_base[i].fd.FDSystem = cpu_to_le32(0xffffffff);
-	}
-