+++ /dev/null
-/***********************************************************************
- *
- * Copyright (c) 2004 Cucy Systems (http://www.cucy.com)
- * Curt Brune <curt@cucy.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- * Description: Ethernet interface for Samsung S3C4510B SoC
- */
-
-#include <common.h>
-#include <command.h>
-#include <net.h>
-#include <asm/hardware.h>
-#include "s3c4510b_eth.h"
-
-static TX_FrameDescriptor txFDbase[ETH_MaxTxFrames];
-static MACFrame txFrameBase[ETH_MaxTxFrames];
-static RX_FrameDescriptor rxFDbase[PKTBUFSRX];
-static ETH m_eth;
-
-static s32 TxFDinit( ETH *eth) {
-
- s32 i;
- MACFrame *txFrmBase;
-
- /* disable cache for access to the TX buffers */
- txFrmBase = (MACFrame *)( (u32)txFrameBase | CACHE_DISABLE_MASK);
-
- /* store start of Tx descriptors and set current */
- eth->m_curTX_FD = (TX_FrameDescriptor *) ((u32)txFDbase | CACHE_DISABLE_MASK);
- eth->m_baseTX_FD = eth->m_curTX_FD;
-
- for ( i = 0; i < ETH_MaxTxFrames; i++) {
- eth->m_baseTX_FD[i].m_frameDataPtr.bf.dataPtr = (u32)&txFrmBase[i];
- eth->m_baseTX_FD[i].m_frameDataPtr.bf.owner = 0x0; /* CPU owner */
- eth->m_baseTX_FD[i].m_opt.ui = 0x0;
- eth->m_baseTX_FD[i].m_status.ui = 0x0;
- eth->m_baseTX_FD[i].m_nextFD = ð->m_baseTX_FD[i+1];
- }
-
- /* make the list circular */
- eth->m_baseTX_FD[i-1].m_nextFD = ð->m_baseTX_FD[0];
-
- PUT_REG( REG_BDMATXPTR, (u32)eth->m_curTX_FD);
-
- return 0;
-}
-
-static s32 RxFDinit( ETH *eth) {
-
- s32 i;
- /* MACFrame *rxFrmBase; */
-
- /* disable cache for access to the RX buffers */
- /* rxFrmBase = (MACFrame *)( (u32)rxFrameBase | CACHE_DISABLE_MASK); */
-
- /* store start of Rx descriptors and set current */
- eth->m_curRX_FD = (RX_FrameDescriptor *)((u32)rxFDbase | CACHE_DISABLE_MASK);
- eth->m_baseRX_FD = eth->m_curRX_FD;
- for ( i = 0; i < PKTBUFSRX; i++) {
- eth->m_baseRX_FD[i].m_frameDataPtr.bf.dataPtr = (u32)NetRxPackets[i] | CACHE_DISABLE_MASK;
- eth->m_baseRX_FD[i].m_frameDataPtr.bf.owner = 0x1; /* BDMA owner */
- eth->m_baseRX_FD[i].m_reserved = 0x0;
- eth->m_baseRX_FD[i].m_status.ui = 0x0;
- eth->m_baseRX_FD[i].m_nextFD = ð->m_baseRX_FD[i+1];
- }
-
- /* make the list circular */
- eth->m_baseRX_FD[i-1].m_nextFD = ð->m_baseRX_FD[0];
-
- PUT_REG( REG_BDMARXPTR, (u32)eth->m_curRX_FD);
-
- return 0;
-}
-
-/*
- * Public u-boot interface functions below
- */
-
-int eth_init(bd_t *bis)
-{
-
- ETH *eth = &m_eth;
-
- /* store our MAC address */
- eth_getenv_enetaddr("ethaddr", eth->m_mac);
-
- /* setup DBMA and MAC */
- PUT_REG( REG_BDMARXCON, ETH_BRxRS); /* reset BDMA RX machine */
- PUT_REG( REG_BDMATXCON, ETH_BTxRS); /* reset BDMA TX machine */
- PUT_REG( REG_MACCON , ETH_SwReset); /* reset MAC machine */
- PUT_REG( REG_BDMARXLSZ, sizeof(MACFrame));
- PUT_REG( REG_MACCON , 0); /* reset MAC machine */
-
- /* init frame descriptors */
- TxFDinit( eth);
- RxFDinit( eth);
-
- /* init the CAM with our MAC address */
- PUT_REG( REG_CAM_BASE, (eth->m_mac[0] << 24) |
- (eth->m_mac[1] << 16) |
- (eth->m_mac[2] << 8) |
- (eth->m_mac[3]));
- PUT_REG( REG_CAM_BASE + 0x4, (eth->m_mac[4] << 24) |
- (eth->m_mac[5] << 16));
-
- /* enable CAM address 1 -- the MAC we just loaded */
- PUT_REG( REG_CAMEN, 0x1);
-
- PUT_REG( REG_CAMCON,
- ETH_BroadAcc | /* accept broadcast packetes */
- ETH_CompEn); /* enable compare mode (check against the CAM) */
-
- /* configure the BDMA Transmitter control */
- PUT_REG( REG_BDMATXCON,
- ETH_BTxBRST | /* BDMA Tx burst size 16 words */
- ETH_BTxMSL110 | /* BDMA Tx wait to fill 6/8 of the BDMA */
- ETH_BTxSTSKO | /* BDMA Tx interrupt(Stop) on non-owner TX FD */
- ETH_BTxEn); /* BDMA Tx Enable */
-
- /* configure the MAC Transmitter control */
- PUT_REG( REG_MACTXCON,
- ETH_EnComp | /* interrupt when the MAC transmits or discards packet */
- ETH_TxEn); /* MAC transmit enable */
-
- /* configure the BDMA Receiver control */
- PUT_REG( REG_BDMARXCON,
- ETH_BRxBRST | /* BDMA Rx Burst Size 16 words */
- ETH_BRxSTSKO | /* BDMA Rx interrupt(Stop) on non-owner RX FD */
- ETH_BRxMAINC | /* BDMA Rx Memory Address increment */
- ETH_BRxDIE | /* BDMA Rx Every Received Frame Interrupt Enable */
- ETH_BRxNLIE | /* BDMA Rx NULL List Interrupt Enable */
- ETH_BRxNOIE | /* BDMA Rx Not Owner Interrupt Enable */
- ETH_BRxLittle | /* BDMA Rx Little endian */
- ETH_BRxEn); /* BDMA Rx Enable */
-
- /* configure the MAC Receiver control */
- PUT_REG( REG_MACRXCON,
- ETH_RxEn); /* MAC ETH_RxEn */
-
- return 0;
-
-}
-
-/* Send a packet */
-s32 eth_send(volatile void *packet, s32 length)
-{
-
- u32 i;
- ETH *eth = &m_eth;
-
- if ( eth->m_curTX_FD->m_frameDataPtr.bf.owner) {
- printf("eth_send(): TX Frame. CPU not owner.\n");
- return -1;
- }
-
- /* copy user data into frame data pointer */
- memcpy((void *)((u32)(eth->m_curTX_FD->m_frameDataPtr.bf.dataPtr)),
- (void *)packet,
- length);
-
- /* Set TX Frame flags */
- eth->m_curTX_FD->m_opt.bf.widgetAlign = 0;
- eth->m_curTX_FD->m_opt.bf.frameDataDir = 1;
- eth->m_curTX_FD->m_opt.bf.littleEndian = 1;
- eth->m_curTX_FD->m_opt.bf.macTxIrqEnbl = 1;
- eth->m_curTX_FD->m_opt.bf.no_crc = 0;
- eth->m_curTX_FD->m_opt.bf.no_padding = 0;
-
- /* Set TX Frame length */
- eth->m_curTX_FD->m_status.bf.len = length;
-
- /* Change ownership to BDMA */
- eth->m_curTX_FD->m_frameDataPtr.bf.owner = 1;
-
- /* Enable MAC and BDMA Tx control register */
- SET_REG( REG_BDMATXCON, ETH_BTxEn);
- SET_REG( REG_MACTXCON, ETH_TxEn);
-
- /* poll on TX completion status */
- while ( !eth->m_curTX_FD->m_status.bf.complete) {
- /* sleep */
- for ( i = 0; i < 0x10000; i ++);
- }
-
- /* Change the Tx frame descriptor for next use */
- eth->m_curTX_FD = eth->m_curTX_FD->m_nextFD;
-
- return 0;
-}
-
-/* Check for received packets */
-s32 eth_rx (void)
-{
- s32 nLen = 0;
- ETH *eth = &m_eth;
-
- /* check if packet ready */
- if ( (GET_REG( REG_BDMASTAT)) & ETH_S_BRxRDF) {
- /* process all waiting packets */
- while ( !eth->m_curRX_FD->m_frameDataPtr.bf.owner) {
- nLen = eth->m_curRX_FD->m_status.bf.len;
- /* call back u-boot -- may call eth_send() */
- NetReceive ((u8 *)eth->m_curRX_FD->m_frameDataPtr.ui, nLen);
- /* set owner back to CPU */
- eth->m_curRX_FD->m_frameDataPtr.bf.owner = 1;
- /* clear status */
- eth->m_curRX_FD->m_status.ui = 0x0;
- /* advance to next descriptor */
- eth->m_curRX_FD = eth->m_curRX_FD->m_nextFD;
- /* clear received frame bit */
- PUT_REG( REG_BDMASTAT, ETH_S_BRxRDF);
- }
- }
-
- return nLen;
-}
-
-/* Halt ethernet engine */
-void eth_halt(void)
-{
- /* disable MAC */
- PUT_REG( REG_MACCON, ETH_HaltReg);
-}
+++ /dev/null
-#ifndef __S3C4510B_ETH_H
-#define __S3C4510B_ETH_H
-/*
- * Copyright (c) 2004 Cucy Systems (http://www.cucy.com)
- * Curt Brune <curt@cucy.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- * MODULE: $Id:$
- * Description: Ethernet interface
- * Runtime Env: ARM7TDMI
- * Change History:
- * 03-02-04 Create (Curt Brune) curt@cucy.com
- *
- */
-
-#define ETH_MAC_ADDR_SIZE (6) /* dst,src addr is 6bytes each */
-#define ETH_MaxTxFrames (16) /* Max number of Tx Frames */
-
-/* Buffered DMA Receiver Control Register */
-#define ETH_BRxBRST 0x0000F /* BDMA Rx Burst Size * BRxBRST */
- /* = Burst Data Size 16 */
-#define ETH_BRxSTSKO 0x00020 /* BDMA Rx Stop/Skip Frame or Interrupt(=1) */
- /* case of not OWNER the current Frame */
-#define ETH_BRxMAINC 0x00040 /* BDMA Rx Memory Address Inc/Dec */
-#define ETH_BRxDIE 0x00080 /* BDMA Rx Every Received Frame Interrupt Enable */
-#define ETH_BRxNLIE 0x00100 /* BDMA Rx NULL List Interrupt Enable */
-#define ETH_BRxNOIE 0x00200 /* BDMA Rx Not Owner Interrupt Enable */
-#define ETH_BRxMSOIE 0x00400 /* BDMA Rx Maximum Size over Interrupr Enable */
-#define ETH_BRxLittle 0x00800 /* BDMA Rx Big/Little Endian */
-#define ETH_BRxBig 0x00000 /* BDMA Rx Big/Little Endian */
-#define ETH_BRxWA01 0x01000 /* BDMA Rx Word Alignment- one invalid byte */
-#define ETH_BRxWA10 0x02000 /* BDMA Rx Word Alignment- two invalid byte */
-#define ETH_BRxWA11 0x03000 /* BDMA Rx Word Alignment- three invalid byte */
-#define ETH_BRxEn 0x04000 /* BDMA Rx Enable */
-#define ETH_BRxRS 0x08000 /* BDMA Rx Reset */
-#define ETH_RxEmpty 0x10000 /* BDMA Rx Buffer empty interrupt */
-#define ETH_BRxEarly 0x20000 /* BDMA Rx Early notify Interrupt */
-
-/* Buffered DMA Trasmit Control Register(BDMATXCON) */
-#define ETH_BTxBRST 0x0000F /* BDMA Tx Burst Size = 16 */
-#define ETH_BTxSTSKO 0x00020 /* BDMA Tx Stop/Skip Frame or Interrupt in case */
- /* of not Owner the current frame */
-#define ETH_BTxCPIE 0x00080 /* BDMA Tx Complete to send control */
- /* packet Enable */
-#define ETH_BTxNOIE 0x00200 /* BDMA Tx Buffer Not Owner */
-#define ETH_BTxEmpty 0x00400 /* BDMA Tx Buffer Empty Interrupt */
-
-/* BDMA Tx buffer can be moved to the MAC Tx IO when the new frame comes in. */
-#define ETH_BTxMSL000 0x00000 /* No wait to fill the BDMA */
-#define ETH_BTxMSL001 0x00800 /* wait to fill 1/8 of the BDMA */
-#define ETH_BTxMSL010 0x01000 /* wait to fill 2/8 of the BDMA */
-#define ETH_BTxMSL011 0x01800 /* wait to fill 3/8 of the BDMA */
-#define ETH_BTxMSL100 0x02000 /* wait to fill 4/8 of the BDMA */
-#define ETH_BTxMSL101 0x02800 /* wait to fill 5/8 of the BDMA */
-#define ETH_BTxMSL110 0x03000 /* wait to fill 6/8 of the BDMA */
-#define ETH_BTxMSL111 0x03800 /* wait to fill 7/8 of the BDMA */
-#define ETH_BTxEn 0x04000 /* BDMA Tx Enable */
-#define ETH_BTxRS 0x08000 /* BDMA Tx Reset */
-
-/* BDMA Status Register */
-#define ETH_S_BRxRDF 0x00001 /* BDMA Rx Done Every Received Frame */
-#define ETH_S_BRxNL 0x00002 /* BDMA Rx NULL List */
-#define ETH_S_BRxNO 0x00004 /* BDMA Rx Not Owner */
-#define ETH_S_BRxMSO 0x00008 /* BDMA Rx Maximum Size Over */
-#define ETH_S_BRxEmpty 0x00010 /* BDMA Rx Buffer Empty */
-#define ETH_S_BRxSEarly 0x00020 /* Early Notify */
-#define ETH_S_BRxFRF 0x00080 /* One more frame data in BDMA receive buffer */
-#define ETH_S_BTxCCP 0x10000 /* BDMA Tx Complete to send Control Packet */
-#define ETH_S_BTxNL 0x20000 /* BDMA Tx Null List */
-#define ETH_S_BTxNO 0x40000 /* BDMA Tx Not Owner */
-#define ETH_S_BTxEmpty 0x100000 /* BDMA Tx Buffer Empty */
-
-/* MAC Control Register */
-#define ETH_HaltReg 0x0001 /* stop transmission and reception */
- /* after completion of any current packets */
-#define ETH_HaltImm 0x0002 /* Stop transmission and reception immediately */
-#define ETH_SwReset 0x0004 /* reset all Ethernet controller state machines */
- /* and FIFOs */
-#define ETH_FullDup 0x0008 /* allow transmission to begin while reception */
- /* is occurring */
-#define ETH_MACLoop 0x0010 /* MAC loopback */
-#define ETH_ConnM00 0x0000 /* Automatic-default */
-#define ETH_ConnM01 0x0020 /* Force 10Mbits endec */
-#define ETH_ConnM10 0x0040 /* Force MII (rate determined by MII clock */
-#define ETH_MIIOFF 0x0040 /* Force MII (rate determined by MII clock */
-#define ETH_Loop10 0x0080 /* Loop 10Mbps */
-#define ETH_MissRoll 0x0400 /* Missed error counter rolled over */
-#define ETH_MDCOFF 0x1000 /* MII Station Management Clock Off */
-#define ETH_EnMissRoll 0x2000 /* Interrupt when missed error counter rolls */
- /* over */
-#define ETH_Link10 0x8000 /* Link status 10Mbps */
-
-/* CAM control register(CAMCON) */
-#define ETH_StationAcc 0x0001 /* Accept any packet with a unicast station */
- /* address */
-#define ETH_GroupAcc 0x0002 /* Accept any packet with multicast-group */
- /* station address */
-#define ETH_BroadAcc 0x0004 /* Accept any packet with a broadcast station */
- /* address */
-#define ETH_NegCAM 0x0008 /* 0: Accept packets CAM recognizes, */
- /* reject others */
- /* 1: reject packets CAM recognizes, */
- /* accept others */
-#define ETH_CompEn 0x0010 /* Compare Enable mode */
-
-/* Transmit Control Register(MACTXCON) */
-#define ETH_TxEn 0x0001 /* transmit Enable */
-#define ETH_TxHalt 0x0002 /* Transmit Halt Request */
-#define ETH_NoPad 0x0004 /* suppress Padding */
-#define ETH_NoCRC 0x0008 /* Suppress CRC */
-#define ETH_FBack 0x0010 /* Fast Back-off */
-#define ETH_NoDef 0x0020 /* Disable the defer counter */
-#define ETH_SdPause 0x0040 /* Send Pause */
-#define ETH_MII10En 0x0080 /* MII 10Mbps mode enable */
-#define ETH_EnUnder 0x0100 /* Enable Underrun */
-#define ETH_EnDefer 0x0200 /* Enable Deferral */
-#define ETH_EnNCarr 0x0400 /* Enable No Carrier */
-#define ETH_EnExColl 0x0800 /* interrupt if 16 collision occur */
- /* in the same packet */
-#define ETH_EnLateColl 0x1000 /* interrupt if collision occurs after */
- /* 512 bit times(64 bytes times) */
-#define ETH_EnTxPar 0x2000 /* interrupt if the MAC transmit FIFO */
- /* has a parity error */
-#define ETH_EnComp 0x4000 /* interrupt when the MAC transmits or */
- /* discards one packet */
-
-/* Transmit Status Register(MACTXSTAT) */
-#define ETH_ExColl 0x0010 /* Excessive collision */
-#define ETH_TxDeffered 0x0020 /* set if 16 collisions occur for same packet */
-#define ETH_Paused 0x0040 /* packet waited because of pause during */
- /* transmission */
-#define ETH_IntTx 0x0080 /* set if transmission of packet causes an */
- /* interrupt condiftion */
-#define ETH_Under 0x0100 /* MAC transmit FIFO becomes empty during */
- /* transmission */
-#define ETH_Defer 0x0200 /* MAC defers for MAC deferral */
-#define ETH_NCarr 0x0400 /* No carrier sense detected during the */
- /* transmission of a packet */
-#define ETH_SQE 0x0800 /* Signal Quality Error */
-#define ETH_LateColl 0x1000 /* a collision occures after 512 bit times */
-#define ETH_TxPar 0x2000 /* MAC transmit FIFO has detected a parity error */
-#define ETH_Comp 0x4000 /* MAC transmit or discards one packet */
-#define ETH_TxHalted 0x8000 /* Transmission was halted by clearing */
- /* TxEn or Halt immedite */
-
-/* Receive Control Register (MACRXCON) */
-#define ETH_RxEn 0x0001
-#define ETH_RxHalt 0x0002
-#define ETH_LongEn 0x0004
-#define ETH_ShortEn 0x0008
-#define ETH_StripCRC 0x0010
-#define ETH_PassCtl 0x0020
-#define ETH_IgnoreCRC 0x0040
-#define ETH_EnAlign 0x0100
-#define ETH_EnCRCErr 0x0200
-#define ETH_EnOver 0x0400
-#define ETH_EnLongErr 0x0800
-#define ETH_EnRxPar 0x2000
-#define ETH_EnGood 0x4000
-
-/* Receive Status Register(MACRXSTAT) */
-#define ETH_MCtlRecd 0x0020
-#define ETH_MIntRx 0x0040
-#define ETH_MRx10Stat 0x0080
-#define ETH_MAllignErr 0x0100
-#define ETH_MCRCErr 0x0200
-#define ETH_MOverflow 0x0400
-#define ETH_MLongErr 0x0800
-#define ETH_MRxPar 0x2000
-#define ETH_MRxGood 0x4000
-#define ETH_MRxHalted 0x8000
-
-/* type of ethernet packets */
-#define ETH_TYPE_ARP (0x0806)
-#define ETH_TYPE_IP (0x0800)
-
-#define ETH_HDR_SIZE (14)
-
-/* bit field for frame data pointer word */
-typedef struct __BF_FrameDataPtr {
- u32 dataPtr:31;
- u32 owner: 1;
-} BF_FrameDataPtr;
-
-typedef union _FrameDataPtr {
- u32 ui;
- BF_FrameDataPtr bf;
-} FrameDataPtr;
-
-typedef struct __BF_TX_Options {
- u32 no_padding: 1;
- u32 no_crc: 1;
- u32 macTxIrqEnbl: 1;
- u32 littleEndian: 1;
- u32 frameDataDir: 1;
- u32 widgetAlign: 2;
- u32 reserved:25;
-} BF_TX_Options;
-
-typedef union _TX_Options {
- u32 ui;
- BF_TX_Options bf;
-} TX_Options;
-
-typedef struct __BF_RX_Status {
- u32 len:16; /* frame length */
- u32 reserved1: 3;
- u32 overMax: 1;
- u32 reserved2: 1;
- u32 ctrlRcv: 1;
- u32 intRx: 1;
- u32 rx10stat: 1;
- u32 alignErr: 1;
- u32 crcErr: 1;
- u32 overFlow: 1;
- u32 longErr: 1;
- u32 reserved3: 1;
- u32 parityErr: 1;
- u32 good: 1;
- u32 halted: 1;
-} BF_RX_Status;
-
-typedef union _RX_Status {
- u32 ui;
- BF_RX_Status bf;
-} RX_Status;
-
-typedef struct __BF_TX_Status {
- u32 len:16; /* frame length */
- u32 txCollCnt: 4;
- u32 exColl: 1;
- u32 txDefer: 1;
- u32 paused: 1;
- u32 intTx: 1;
- u32 underRun: 1;
- u32 defer: 1;
- u32 noCarrier: 1;
- u32 SQErr: 1;
- u32 lateColl: 1;
- u32 parityErr: 1;
- u32 complete: 1;
- u32 halted: 1;
-} BF_TX_Status;
-
-typedef union _TX_Status {
- u32 ui;
- BF_TX_Status bf;
-} TX_Status;
-
-/* TX descriptor structure */
-typedef struct __TX_FrameDescriptor {
- volatile FrameDataPtr m_frameDataPtr;
- TX_Options m_opt;
- volatile TX_Status m_status;
- struct __TX_FrameDescriptor *m_nextFD;
-} TX_FrameDescriptor;
-
-/* RX descriptor structure */
-typedef struct __RX_FrameDescriptor {
- volatile FrameDataPtr m_frameDataPtr;
- u32 m_reserved;
- volatile RX_Status m_status;
- struct __RX_FrameDescriptor *m_nextFD;
-} RX_FrameDescriptor;
-
-/* MAC Frame Structure */
-struct __MACFrame {
- u8 m_dstAddr[6];
- u8 m_srcAddr[6];
- u16 m_lengthOrType;
- u8 m_payload[1506];
-} __attribute__ ((packed));
-
-typedef struct __MACFrame MACFrame;
-
-/* Ethernet Control block */
-typedef struct __ETH {
- TX_FrameDescriptor *m_curTX_FD; /* pointer to current TX frame descriptor */
- TX_FrameDescriptor *m_baseTX_FD; /* pointer to base TX frame descriptor */
- RX_FrameDescriptor *m_curRX_FD; /* pointer to current RX frame descriptor */
- RX_FrameDescriptor *m_baseRX_FD; /* pointer to base RX frame descriptor */
- u8 m_mac[6]; /* pointer to our MAC address */
-} ETH;
-
-#endif