f7772c7c77
only single segment. - No need to set VR_CMD_TX_ON in vr_start(). - Initialize BCR0 and BCR1 registers. - Change RX DMA threshold 128bytes. Mostly from FreeBSD via OpenBSD.
412 lines
12 KiB
C
412 lines
12 KiB
C
/* $NetBSD: if_vrreg.h,v 1.12 2003/10/17 17:42:35 tsutsui Exp $ */
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/*
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* Copyright (c) 1997, 1998
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* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD: if_vrreg.h,v 1.2 1999/01/10 18:51:49 wpaul Exp $
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*/
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/*
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* Rhine register definitions.
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*/
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#define VR_PAR0 0x00 /* node address 0 to 4 */
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#define VR_PAR1 0x04 /* node address 2 to 6 */
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#define VR_RXCFG 0x06 /* receiver config register */
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#define VR_TXCFG 0x07 /* transmit config register */
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#define VR_COMMAND 0x08 /* command register */
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#define VR_ISR 0x0C /* interrupt/status register */
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#define VR_IMR 0x0E /* interrupt mask register */
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#define VR_MAR0 0x10 /* multicast hash 0 */
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#define VR_MAR1 0x14 /* multicast hash 1 */
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#define VR_RXADDR 0x18 /* rx descriptor list start addr */
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#define VR_TXADDR 0x1C /* tx descriptor list start addr */
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#define VR_CURRXDESC0 0x20
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#define VR_CURRXDESC1 0x24
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#define VR_CURRXDESC2 0x28
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#define VR_CURRXDESC3 0x2C
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#define VR_NEXTRXDESC0 0x30
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#define VR_NEXTRXDESC1 0x34
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#define VR_NEXTRXDESC2 0x38
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#define VR_NEXTRXDESC3 0x3C
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#define VR_CURTXDESC0 0x40
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#define VR_CURTXDESC1 0x44
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#define VR_CURTXDESC2 0x48
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#define VR_CURTXDESC3 0x4C
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#define VR_NEXTTXDESC0 0x50
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#define VR_NEXTTXDESC1 0x54
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#define VR_NEXTTXDESC2 0x58
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#define VR_NEXTTXDESC3 0x5C
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#define VR_CURRXDMA 0x60 /* current RX DMA address */
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#define VR_CURTXDMA 0x64 /* current TX DMA address */
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#define VR_TALLYCNT 0x68 /* tally counter test register */
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#define VR_PHYADDR 0x6C
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#define VR_MIISTAT 0x6D
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#define VR_BCR0 0x6E
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#define VR_BCR1 0x6F
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#define VR_MIICMD 0x70
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#define VR_MIIADDR 0x71
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#define VR_MIIDATA 0x72
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#define VR_EECSR 0x74
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#define VR_TEST 0x75
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#define VR_GPIO 0x76
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#define VR_CONFIG 0x78
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#define VR_MPA_CNT 0x7C
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#define VR_CRC_CNT 0x7E
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#define VR_STICKHW 0x83
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/* Misc Registers */
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#define VR_MISC_CR1 0x81
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#define VR_MISCCR1_FORSRST 0x40
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/*
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* RX config bits.
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*/
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#define VR_RXCFG_RX_ERRPKTS 0x01
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#define VR_RXCFG_RX_RUNT 0x02
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#define VR_RXCFG_RX_MULTI 0x04
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#define VR_RXCFG_RX_BROAD 0x08
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#define VR_RXCFG_RX_PROMISC 0x10
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#define VR_RXCFG_RX_THRESH 0xE0
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#define VR_RXTHRESH_32BYTES 0x00
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#define VR_RXTHRESH_64BYTES 0x20
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#define VR_RXTHRESH_128BYTES 0x40
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#define VR_RXTHRESH_256BYTES 0x60
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#define VR_RXTHRESH_512BYTES 0x80
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#define VR_RXTHRESH_768BYTES 0xA0
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#define VR_RXTHRESH_1024BYTES 0xC0
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#define VR_RXTHRESH_STORENFWD 0xE0
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/*
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* TX config bits.
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*/
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#define VR_TXCFG_RSVD0 0x01
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#define VR_TXCFG_LOOPBKMODE 0x06
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#define VR_TXCFG_BACKOFF 0x08
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#define VR_TXCFG_RSVD1 0x10
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#define VR_TXCFG_TX_THRESH 0xE0
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#define VR_TXTHRESH_32BYTES 0x00
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#define VR_TXTHRESH_64BYTES 0x20
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#define VR_TXTHRESH_128BYTES 0x40
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#define VR_TXTHRESH_256BYTES 0x60
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#define VR_TXTHRESH_512BYTES 0x80
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#define VR_TXTHRESH_768BYTES 0xA0
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#define VR_TXTHRESH_1024BYTES 0xC0
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#define VR_TXTHRESH_STORENFWD 0xE0
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/*
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* Command register bits.
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*/
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#define VR_CMD_INIT 0x0001
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#define VR_CMD_START 0x0002
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#define VR_CMD_STOP 0x0004
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#define VR_CMD_RX_ON 0x0008
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#define VR_CMD_TX_ON 0x0010
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#define VR_CMD_TX_GO 0x0020
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#define VR_CMD_RX_GO 0x0040
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#define VR_CMD_RSVD 0x0080
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#define VR_CMD_RX_EARLY 0x0100
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#define VR_CMD_TX_EARLY 0x0200
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#define VR_CMD_FULLDUPLEX 0x0400
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#define VR_CMD_TX_NOPOLL 0x0800
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#define VR_CMD_RESET 0x8000
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/*
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* Interrupt status bits.
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*/
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#define VR_ISR_RX_OK 0x0001 /* packet rx ok */
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#define VR_ISR_TX_OK 0x0002 /* packet tx ok */
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#define VR_ISR_RX_ERR 0x0004 /* packet rx with err */
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#define VR_ISR_TX_ABRT 0x0008 /* tx aborted due to excess colls */
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#define VR_ISR_TX_UNDERRUN 0x0010 /* tx buffer underflow */
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#define VR_ISR_RX_NOBUF 0x0020 /* no rx buffer available */
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#define VR_ISR_BUSERR 0x0040 /* PCI bus error */
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#define VR_ISR_STATSOFLOW 0x0080 /* stats counter oflow */
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#define VR_ISR_RX_EARLY 0x0100 /* rx early */
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#define VR_ISR_LINKSTAT 0x0200 /* MII status change */
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#define VR_ISR_RX_OFLOW 0x0400 /* rx FIFO overflow */
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#define VR_ISR_RX_DROPPED 0x0800
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#define VR_ISR_RX_NOBUF2 0x1000
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#define VR_ISR_TX_ABRT2 0x2000
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#define VR_ISR_LINKSTAT2 0x4000
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#define VR_ISR_MAGICPACKET 0x8000
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/*
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* Interrupt mask bits.
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*/
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#define VR_IMR_RX_OK 0x0001 /* packet rx ok */
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#define VR_IMR_TX_OK 0x0002 /* packet tx ok */
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#define VR_IMR_RX_ERR 0x0004 /* packet rx with err */
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#define VR_IMR_TX_ABRT 0x0008 /* tx aborted due to excess colls */
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#define VR_IMR_TX_UNDERRUN 0x0010 /* tx buffer underflow */
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#define VR_IMR_RX_NOBUF 0x0020 /* no rx buffer available */
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#define VR_IMR_BUSERR 0x0040 /* PCI bus error */
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#define VR_IMR_STATSOFLOW 0x0080 /* stats counter oflow */
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#define VR_IMR_RX_EARLY 0x0100 /* rx early */
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#define VR_IMR_LINKSTAT 0x0200 /* MII status change */
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#define VR_IMR_RX_OFLOW 0x0400 /* rx FIFO overflow */
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#define VR_IMR_RX_DROPPED 0x0800
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#define VR_IMR_RX_NOBUF2 0x1000
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#define VR_IMR_TX_ABRT2 0x2000
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#define VR_IMR_LINKSTAT2 0x4000
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#define VR_IMR_MAGICPACKET 0x8000
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#define VR_INTRS \
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(VR_IMR_RX_OK|VR_IMR_TX_OK|VR_IMR_RX_NOBUF| \
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VR_IMR_TX_ABRT|VR_IMR_TX_UNDERRUN|VR_IMR_BUSERR| \
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VR_IMR_RX_ERR|VR_ISR_RX_DROPPED)
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/*
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* MII status register.
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*/
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#define VR_MIISTAT_SPEED 0x01
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#define VR_MIISTAT_LINKFAULT 0x02
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#define VR_MIISTAT_MGTREADERR 0x04
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#define VR_MIISTAT_MIIERR 0x08
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#define VR_MIISTAT_PHYOPT 0x10
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#define VR_MIISTAT_MDC_SPEED 0x20
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#define VR_MIISTAT_RSVD 0x40
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#define VR_MIISTAT_GPIO1POLL 0x80
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/*
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* MII command register bits.
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*/
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#define VR_MIICMD_CLK 0x01
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#define VR_MIICMD_DATAIN 0x02
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#define VR_MIICMD_DATAOUT 0x04
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#define VR_MIICMD_DIR 0x08
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#define VR_MIICMD_DIRECTPGM 0x10
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#define VR_MIICMD_WRITE_ENB 0x20
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#define VR_MIICMD_READ_ENB 0x40
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#define VR_MIICMD_AUTOPOLL 0x80
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/*
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* EEPROM control bits.
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*/
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#define VR_EECSR_DATAIN 0x01 /* data out */
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#define VR_EECSR_DATAOUT 0x02 /* data in */
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#define VR_EECSR_CLK 0x04 /* clock */
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#define VR_EECSR_CS 0x08 /* chip select */
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#define VR_EECSR_DPM 0x10
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#define VR_EECSR_LOAD 0x20
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#define VR_EECSR_EMBP 0x40
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#define VR_EECSR_EEPR 0x80
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#define VR_EECMD_WRITE 0x140
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#define VR_EECMD_READ 0x180
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#define VR_EECMD_ERASE 0x1c0
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/*
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* Test register bits.
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*/
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#define VR_TEST_TEST0 0x01
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#define VR_TEST_TEST1 0x02
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#define VR_TEST_TEST2 0x04
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#define VR_TEST_TSTUD 0x08
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#define VR_TEST_TSTOV 0x10
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#define VR_TEST_BKOFF 0x20
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#define VR_TEST_FCOL 0x40
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#define VR_TEST_HBDES 0x80
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/*
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* Config register bits.
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*/
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#define VR_CFG_GPIO2OUTENB 0x00000001
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#define VR_CFG_GPIO2OUT 0x00000002 /* gen. purp. pin */
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#define VR_CFG_GPIO2IN 0x00000004 /* gen. purp. pin */
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#define VR_CFG_AUTOOPT 0x00000008 /* enable rx/tx autopoll */
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#define VR_CFG_MIIOPT 0x00000010
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#define VR_CFG_MMIENB 0x00000020 /* memory mapped mode enb */
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#define VR_CFG_JUMPER 0x00000040 /* PHY and oper. mode select */
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#define VR_CFG_EELOAD 0x00000080 /* enable EEPROM programming */
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#define VR_CFG_LATMENB 0x00000100 /* larency timer effect enb. */
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#define VR_CFG_MRREADWAIT 0x00000200
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#define VR_CFG_MRWRITEWAIT 0x00000400
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#define VR_CFG_RX_ARB 0x00000800
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#define VR_CFG_TX_ARB 0x00001000
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#define VR_CFG_READMULTI 0x00002000
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#define VR_CFG_TX_PACE 0x00004000
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#define VR_CFG_TX_QDIS 0x00008000
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#define VR_CFG_ROMSEL0 0x00010000
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#define VR_CFG_ROMSEL1 0x00020000
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#define VR_CFG_ROMSEL2 0x00040000
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#define VR_CFG_ROMTIMESEL 0x00080000
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#define VR_CFG_RSVD0 0x00100000
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#define VR_CFG_ROMDLY 0x00200000
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#define VR_CFG_ROMOPT 0x00400000
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#define VR_CFG_RSVD1 0x00800000
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#define VR_CFG_BACKOFFOPT 0x01000000
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#define VR_CFG_BACKOFFMOD 0x02000000
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#define VR_CFG_CAPEFFECT 0x04000000
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#define VR_CFG_BACKOFFRAND 0x08000000
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#define VR_CFG_MAGICKPACKET 0x10000000
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#define VR_CFG_PCIREADLINE 0x20000000
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#define VR_CFG_DIAG 0x40000000
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#define VR_CFG_GPIOEN 0x80000000
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/* Sticky HW bits */
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#define VR_STICKHW_DS0 0x01
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#define VR_STICKHW_DS1 0x02
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#define VR_STICKHW_WOL_ENB 0x04
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#define VR_STICKHW_WOL_STS 0x08
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#define VR_STICKHW_LEGWOL_ENB 0x80
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/*
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* BCR0 register bits.
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*/
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#define VR_BCR0_DMA_LENGTH 0x07
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#define VR_BCR0_DMA_32BYTES 0x00
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#define VR_BCR0_DMA_64BYTES 0x01
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#define VR_BCR0_DMA_128BYTES 0x02
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#define VR_BCR0_DMA_256BYTES 0x03
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#define VR_BCR0_DMA_512BYTES 0x04
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#define VR_BCR0_DMA_1024BYTES 0x05
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#define VR_BCR0_DMA_STORENFWD 0x07
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#define VR_BCR0_RX_THRESH 0x38
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#define VR_BCR0_RXTH_CFG 0x00
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#define VR_BCR0_RXTH_64BYTES 0x08
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#define VR_BCR0_RXTH_128BYTES 0x10
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#define VR_BCR0_RXTH_256BYTES 0x18
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#define VR_BCR0_RXTH_512BYTES 0x20
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#define VR_BCR0_RXTH_1024BYTES 0x28
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#define VR_BCR0_RXTH_STORENFWD 0x38
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#define VR_BCR0_EXTLED 0x40
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#define VR_BCR0_MED2 0x80
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/*
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* BCR1 register bits.
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*/
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#define VR_BCR1_POT0 0x01
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#define VR_BCR1_POT1 0x02
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#define VR_BCR1_POT2 0x04
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#define VR_BCR1_TX_THRESH 0x38
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#define VR_BCR1_TXTH_CFG 0x00
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#define VR_BCR1_TXTH_64BYTES 0x08
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#define VR_BCR1_TXTH_128BYTES 0x10
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#define VR_BCR1_TXTH_256BYTES 0x18
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#define VR_BCR1_TXTH_512BYTES 0x20
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#define VR_BCR1_TXTH_1024BYTES 0x28
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#define VR_BCR1_TXTH_STORENFWD 0x38
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/*
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* Rhine TX/RX list structure.
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*/
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struct vr_desc {
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u_int32_t vr_status;
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u_int32_t vr_ctl;
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u_int32_t vr_ptr1;
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u_int32_t vr_ptr2;
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};
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#define vr_data vr_ptr1
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#define vr_next vr_ptr2
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#define VR_RXSTAT_RXERR 0x00000001
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#define VR_RXSTAT_CRCERR 0x00000002
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#define VR_RXSTAT_FRAMEALIGNERR 0x00000004
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#define VR_RXSTAT_FIFOOFLOW 0x00000008
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#define VR_RXSTAT_GIANT 0x00000010
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#define VR_RXSTAT_RUNT 0x00000020
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#define VR_RXSTAT_BUSERR 0x00000040
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#define VR_RXSTAT_BUFFERR 0x00000080
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#define VR_RXSTAT_LASTFRAG 0x00000100
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#define VR_RXSTAT_FIRSTFRAG 0x00000200
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#define VR_RXSTAT_RLINK 0x00000400
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#define VR_RXSTAT_RX_PHYS 0x00000800
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#define VR_RXSTAT_RX_BROAD 0x00001000
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#define VR_RXSTAT_RX_MULTI 0x00002000
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#define VR_RXSTAT_RX_OK 0x00004000
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#define VR_RXSTAT_RXLEN 0x07FF0000
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#define VR_RXSTAT_RXLEN_EXT 0x78000000
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#define VR_RXSTAT_OWN 0x80000000
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#define VR_RXBYTES(x) ((x & VR_RXSTAT_RXLEN) >> 16)
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#define VR_RXCTL_BUFLEN 0x000007FF
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#define VR_RXCTL_BUFLEN_EXT 0x00007800
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#define VR_RXCTL_CHAIN 0x00008000
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#define VR_RXCTL_RX_INTR 0x00800000
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#define VR_TXSTAT_DEFER 0x00000001
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#define VR_TXSTAT_UNDERRUN 0x00000002
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#define VR_TXSTAT_COLLCNT 0x00000078
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#define VR_TXSTAT_SQE 0x00000080
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#define VR_TXSTAT_ABRT 0x00000100
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#define VR_TXSTAT_LATECOLL 0x00000200
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#define VR_TXSTAT_CARRLOST 0x00000400
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#define VR_TXSTAT_BUSERR 0x00002000
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#define VR_TXSTAT_JABTIMEO 0x00004000
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#define VR_TXSTAT_ERRSUM 0x00008000
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#define VR_TXSTAT_OWN 0x80000000
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#define VR_TXCTL_BUFLEN 0x000007FF
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#define VR_TXCTL_BUFLEN_EXT 0x00007800
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#define VR_TXCTL_TLINK 0x00008000
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#define VR_TXCTL_FIRSTFRAG 0x00200000
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#define VR_TXCTL_LASTFRAG 0x00400000
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#define VR_TXCTL_FINT 0x00800000
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#define VR_MIN_FRAMELEN 60
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/*
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* VIA Rhine revision IDs
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*/
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#define REV_ID_VT3043_E 0x04
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#define REV_ID_VT3071_A 0x20
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#define REV_ID_VT3071_B 0x21
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#define REV_ID_VT3065_A 0x40
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#define REV_ID_VT3065_B 0x41
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#define REV_ID_VT3065_C 0x42
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#define REV_ID_VT3106 0x80
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#define REV_ID_VT3106_J 0x80 /* 0x80-0x8F */
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#define REV_ID_VT3106_S 0x90 /* 0x90-0xA0 */
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/*
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* PCI low memory base and low I/O base register, and
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* other PCI registers.
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*/
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#define VR_PCI_LOIO 0x10
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#define VR_PCI_LOMEM 0x14
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#define VR_PCI_RESETOPT 0x48
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#define VR_PCI_EEPROM_DATA 0x4C
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