/* * Copyright (c) 1997, 1998, 1999 * Bill Paul . All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. * * $Id: if_axreg.h,v 1.4 1999/01/16 20:33:34 wpaul Exp $ */ /* * ASIX register definitions. */ #define AX_BUSCTL 0x00 /* bus control */ #define AX_TXSTART 0x08 /* tx start demand */ #define AX_RXSTART 0x10 /* rx start demand */ #define AX_RXADDR 0x18 /* rx descriptor list start addr */ #define AX_TXADDR 0x20 /* tx descriptor list start addr */ #define AX_ISR 0x28 /* interrupt status register */ #define AX_NETCFG 0x30 /* network config register */ #define AX_IMR 0x38 /* interrupt mask */ #define AX_FRAMESDISCARDED 0x40 /* # of discarded frames */ #define AX_SIO 0x48 /* MII and ROM/EEPROM access */ #define AX_RESERVED 0x50 #define AX_GENTIMER 0x58 /* general timer */ #define AX_GENPORT 0x60 /* general purpose port */ #define AX_FILTIDX 0x68 /* RX filter index */ #define AX_FILTDATA 0x70 /* RX filter data */ /* * Bus control bits. */ #define AX_BUSCTL_RESET 0x00000001 #define AX_BUSCTL_ARBITRATION 0x00000002 #define AX_BUSCTL_BIGENDIAN 0x00000080 #define AX_BUSCTL_BURSTLEN 0x00003F00 #define AX_BUSCTL_BUF_BIGENDIAN 0x00100000 #define AX_BISCTL_READMULTI 0x00200000 #define AX_BURSTLEN_UNLIMIT 0x00000000 #define AX_BURSTLEN_1LONG 0x00000100 #define AX_BURSTLEN_2LONG 0x00000200 #define AX_BURSTLEN_4LONG 0x00000400 #define AX_BURSTLEN_8LONG 0x00000800 #define AX_BURSTLEN_16LONG 0x00001000 #define AX_BURSTLEN_32LONG 0x00002000 #define AX_BUSCTL_CONFIG (AX_BUSCTL_ARBITRATION|AX_BURSTLEN_8LONG|AX_BURSTLEN_8LONG) /* * Interrupt status bits. */ #define AX_ISR_TX_OK 0x00000001 #define AX_ISR_TX_IDLE 0x00000002 #define AX_ISR_TX_NOBUF 0x00000004 #define AX_ISR_TX_JABBERTIMEO 0x00000008 #define AX_ISR_TX_UNDERRUN 0x00000020 #define AX_ISR_RX_OK 0x00000040 #define AX_ISR_RX_NOBUF 0x00000080 #define AX_ISR_RX_IDLE 0x00000100 #define AX_ISR_RX_WATDOGTIMEO 0x00000200 #define AX_ISR_TX_EARLY 0x00000400 #define AX_ISR_TIMER_EXPIRED 0x00000800 #define AX_ISR_BUS_ERR 0x00002000 #define AX_ISR_ABNORMAL 0x00008000 #define AX_ISR_NORMAL 0x00010000 #define AX_ISR_RX_STATE 0x000E0000 #define AX_ISR_TX_STATE 0x00700000 #define AX_ISR_BUSERRTYPE 0x03800000 #define AX_RXSTATE_STOPPED 0x00000000 /* 000 - Stopped */ #define AX_RXSTATE_FETCH 0x00020000 /* 001 - Fetching descriptor */ #define AX_RXSTATE_ENDCHECK 0x00040000 /* 010 - check for rx end */ #define AX_RXSTATE_WAIT 0x00060000 /* 011 - waiting for packet */ #define AX_RXSTATE_SUSPEND 0x00080000 /* 100 - suspend rx */ #define AX_RXSTATE_CLOSE 0x000A0000 /* 101 - close tx desc */ #define AX_RXSTATE_FLUSH 0x000C0000 /* 110 - flush from FIFO */ #define AX_RXSTATE_DEQUEUE 0x000E0000 /* 111 - dequeue from FIFO */ #define AX_TXSTATE_RESET 0x00000000 /* 000 - reset */ #define AX_TXSTATE_FETCH 0x00100000 /* 001 - fetching descriptor */ #define AX_TXSTATE_WAITEND 0x00200000 /* 010 - wait for tx end */ #define AX_TXSTATE_READING 0x00300000 /* 011 - read and enqueue */ #define AX_TXSTATE_RSVD 0x00400000 /* 100 - reserved */ #define AX_TXSTATE_SETUP 0x00500000 /* 101 - setup packet */ #define AX_TXSTATE_SUSPEND 0x00600000 /* 110 - suspend tx */ #define AX_TXSTATE_CLOSE 0x00700000 /* 111 - close tx desc */ /* * Network config bits. */ #define AX_NETCFG_LINKSTAT_PCS 0x00000001 #define AX_NETCFG_RX_ON 0x00000002 #define AX_NETCFG_RX_BADFRAMES 0x00000008 #define AX_NETCFG_RX_PROMISC 0x00000040 #define AX_NETCFG_RX_ALLMULTI 0x00000080 #define AX_NETCFG_RX_BROAD 0x00000100 #define AX_NETCFG_FULLDUPLEX 0x00000200 #define AX_NETCFG_LOOPBACK 0x00000C00 #define AX_NETCFG_FORCECOLL 0x00001000 #define AX_NETCFG_TX_ON 0x00002000 #define AX_NETCFG_TX_THRESH 0x0000C000 #define AX_NETCFG_PORTSEL 0x00040000 /* 0 == SRL, 1 == MII/SYM */ #define AX_NETCFG_HEARTBEAT 0x00080000 /* 0 == ON, 1 == OFF */ #define AX_NETCFG_STORENFWD 0x00200000 #define AX_NETCFG_SPEEDSEL 0x00400000 /* 1 == 10, 0 == 100 */ #define AX_NETCFG_PCS 0x00800000 #define AX_NETCFG_SCRAMBLER 0x01000000 #define AX_NETCFG_RX_ALL 0x40000000 #define AX_OPMODE_NORM 0x00000000 #define AX_OPMODE_INTLOOP 0x00000400 #define AX_OPMODE_EXTLOOP 0x00000800 #define AX_TXTHRESH_72BYTES 0x00000000 #define AX_TXTHRESH_96BYTES 0x00004000 #define AX_TXTHRESH_128BYTES 0x00008000 #define AX_TXTHRESH_160BYTES 0x0000C000 /* * Interrupt mask bits. */ #define AX_IMR_TX_OK 0x00000001 #define AX_IMR_TX_IDLE 0x00000002 #define AX_IMR_TX_NOBUF 0x00000004 #define AX_IMR_TX_JABBERTIMEO 0x00000008 #define AX_IMR_TX_UNDERRUN 0x00000020 #define AX_IMR_RX_OK 0x00000040 #define AX_IMR_RX_NOBUF 0x00000080 #define AX_IMR_RX_IDLE 0x00000100 #define AX_IMR_RX_WATDOGTIMEO 0x00000200 #define AX_IMR_TX_EARLY 0x00000400 #define AX_IMR_TIMER_EXPIRED 0x00000800 #define AX_IMR_BUS_ERR 0x00002000 #define AX_IMR_RX_EARLY 0x00004000 #define AX_IMR_ABNORMAL 0x00008000 #define AX_IMR_NORMAL 0x00010000 #define AX_INTRS \ (AX_IMR_RX_OK|AX_IMR_TX_OK|AX_IMR_RX_NOBUF|AX_IMR_RX_WATDOGTIMEO|\ AX_IMR_TX_NOBUF|AX_IMR_TX_UNDERRUN|AX_IMR_BUS_ERR| \ AX_IMR_ABNORMAL|AX_IMR_NORMAL|/*AX_IMR_TX_EARLY*/ \ AX_IMR_TX_IDLE|AX_IMR_RX_IDLE) /* * Serial I/O (EEPROM/ROM) bits. */ #define AX_SIO_EE_CS 0x00000001 /* EEPROM chip select */ #define AX_SIO_EE_CLK 0x00000002 /* EEPROM clock */ #define AX_SIO_EE_DATAIN 0x00000004 /* EEPROM data output */ #define AX_SIO_EE_DATAOUT 0x00000008 /* EEPROM data input */ #define AX_SIO_EESEL 0x00000800 #define AX_SIO_ROMSEL 0x00001000 #define AX_SIO_ROMCTL_WRITE 0x00002000 #define AX_SIO_ROMCTL_READ 0x00004000 #define AX_SIO_MII_CLK 0x00010000 /* MDIO clock */ #define AX_SIO_MII_DATAOUT 0x00020000 /* MDIO data out */ #define AX_SIO_MII_DIR 0x00040000 /* MDIO dir */ #define AX_SIO_MII_DATAIN 0x00080000 /* MDIO data in */ #define AX_EECMD_WRITE 0x140 #define AX_EECMD_READ 0x180 #define AX_EECMD_ERASE 0x1c0 #define AX_EE_NODEADDR_OFFSET 0x70 #define AX_EE_NODEADDR 10 /* * General purpose timer register */ #define AX_TIMER_VALUE 0x0000FFFF #define AX_TIMER_CONTINUOUS 0x00010000 /* * RX Filter Index Register values */ #define AX_FILTIDX_PAR0 0x00000000 #define AX_FILTIDX_PAR1 0x00000001 #define AX_FILTIDX_MAR0 0x00000002 #define AX_FILTIDX_MAR1 0x00000003 /* * ASIX TX/RX list structure. */ struct ax_desc { volatile u_int32_t ax_status; volatile u_int32_t ax_ctl; volatile u_int32_t ax_ptr1; volatile u_int32_t ax_ptr2; }; #define ax_data ax_ptr1 #define ax_next ax_ptr2 #define AX_RXSTAT_FIFOOFLOW 0x00000001 #define AX_RXSTAT_CRCERR 0x00000002 #define AX_RXSTAT_DRIBBLE 0x00000004 #define AX_RXSTAT_WATCHDOG 0x00000010 #define AX_RXSTAT_FRAMETYPE 0x00000020 /* 0 == IEEE 802.3 */ #define AX_RXSTAT_COLLSEEN 0x00000040 #define AX_RXSTAT_GIANT 0x00000080 #define AX_RXSTAT_LASTFRAG 0x00000100 #define AX_RXSTAT_FIRSTFRAG 0x00000200 #define AX_RXSTAT_MULTICAST 0x00000400 #define AX_RXSTAT_RUNT 0x00000800 #define AX_RXSTAT_RXTYPE 0x00003000 #define AX_RXSTAT_RXERR 0x00008000 #define AX_RXSTAT_RXLEN 0x3FFF0000 #define AX_RXSTAT_OWN 0x80000000 #define AX_RXBYTES(x) ((x & AX_RXSTAT_RXLEN) >> 16) #define AX_RXSTAT (AX_RXSTAT_FIRSTFRAG|AX_RXSTAT_LASTFRAG|AX_RXSTAT_OWN) #define AX_RXCTL_BUFLEN1 0x00000FFF #define AX_RXCTL_BUFLEN2 0x00FFF000 #define AX_RXCTL_RLAST 0x02000000 #define AX_TXSTAT_DEFER 0x00000001 #define AX_TXSTAT_UNDERRUN 0x00000002 #define AX_TXSTAT_LINKFAIL 0x00000003 #define AX_TXSTAT_COLLCNT 0x00000078 #define AX_TXSTAT_SQE 0x00000080 #define AX_TXSTAT_EXCESSCOLL 0x00000100 #define AX_TXSTAT_LATECOLL 0x00000200 #define AX_TXSTAT_NOCARRIER 0x00000400 #define AX_TXSTAT_CARRLOST 0x00000800 #define AX_TXSTAT_JABTIMEO 0x00004000 #define AX_TXSTAT_ERRSUM 0x00008000 #define AX_TXSTAT_OWN 0x80000000 #define AX_TXCTL_BUFLEN1 0x000007FF #define AX_TXCTL_BUFLEN2 0x003FF800 #define AX_TXCTL_PAD 0x00800000 #define AX_TXCTL_TLAST 0x02000000 #define AX_TXCTL_NOCRC 0x04000000 #define AX_TXCTL_FIRSTFRAG 0x20000000 #define AX_TXCTL_LASTFRAG 0x40000000 #define AX_TXCTL_FINT 0x80000000 #define AX_MAXFRAGS 16 #define AX_RX_LIST_CNT 64 #define AX_TX_LIST_CNT 64 #define AX_MIN_FRAMELEN 60 /* * A tx 'super descriptor' is actually 16 regular descriptors * back to back. */ struct ax_txdesc { volatile struct ax_desc ax_frag[AX_MAXFRAGS]; }; #define AX_TXNEXT(x) x->ax_ptr->ax_frag[x->ax_lastdesc].ax_next #define AX_TXSTATUS(x) x->ax_ptr->ax_frag[x->ax_lastdesc].ax_status #define AX_TXCTL(x) x->ax_ptr->ax_frag[x->ax_lastdesc].ax_ctl #define AX_TXDATA(x) x->ax_ptr->ax_frag[x->ax_lastdesc].ax_data #define AX_TXOWN(x) x->ax_ptr->ax_frag[0].ax_status #define AX_UNSENT 0x12341234 struct ax_list_data { volatile struct ax_desc ax_rx_list[AX_RX_LIST_CNT]; volatile struct ax_txdesc ax_tx_list[AX_TX_LIST_CNT]; }; struct ax_chain { volatile struct ax_txdesc *ax_ptr; struct mbuf *ax_mbuf; struct ax_chain *ax_nextdesc; u_int8_t ax_lastdesc; }; struct ax_chain_onefrag { volatile struct ax_desc *ax_ptr; struct mbuf *ax_mbuf; struct ax_chain_onefrag *ax_nextdesc; }; struct ax_chain_data { struct ax_chain_onefrag ax_rx_chain[AX_RX_LIST_CNT]; struct ax_chain ax_tx_chain[AX_TX_LIST_CNT]; struct ax_chain_onefrag *ax_rx_head; struct ax_chain *ax_tx_head; struct ax_chain *ax_tx_tail; struct ax_chain *ax_tx_free; }; struct ax_type { u_int16_t ax_vid; u_int16_t ax_did; char *ax_name; }; struct ax_mii_frame { u_int8_t mii_stdelim; u_int8_t mii_opcode; u_int8_t mii_phyaddr; u_int8_t mii_regaddr; u_int8_t mii_turnaround; u_int16_t mii_data; }; /* * MII constants */ #define AX_MII_STARTDELIM 0x01 #define AX_MII_READOP 0x02 #define AX_MII_WRITEOP 0x01 #define AX_MII_TURNAROUND 0x02 #define AX_FLAG_FORCEDELAY 1 #define AX_FLAG_SCHEDDELAY 2 #define AX_FLAG_DELAYTIMEO 3 struct ax_softc { struct arpcom arpcom; /* interface info */ struct ifmedia ifmedia; /* media info */ bus_space_handle_t ax_bhandle; /* bus space handle */ bus_space_tag_t ax_btag; /* bus space tag */ struct ax_type *ax_info; /* ASIX adapter info */ struct ax_type *ax_pinfo; /* phy info */ u_int8_t ax_unit; /* interface number */ u_int8_t ax_type; u_int8_t ax_phy_addr; /* PHY address */ u_int8_t ax_tx_pend; /* TX pending */ u_int8_t ax_want_auto; u_int8_t ax_autoneg; caddr_t ax_ldata_ptr; struct ax_list_data *ax_ldata; struct ax_chain_data ax_cdata; }; /* * register space access macros */ #define CSR_WRITE_4(sc, reg, val) \ bus_space_write_4(sc->ax_btag, sc->ax_bhandle, reg, val) #define CSR_WRITE_2(sc, reg, val) \ bus_space_write_2(sc->ax_btag, sc->ax_bbhandle, reg, val) #define CSR_WRITE_1(sc, reg, val) \ bus_space_write_1(sc->ax_btag, sc->ax_bhandle, reg, val) #define CSR_READ_4(sc, reg) \ bus_space_read_4(sc->ax_btag, sc->ax_bhandle, reg) #define CSR_READ_2(sc, reg) \ bus_space_read_2(sc->ax_btag, sc->ax_bhandle, reg) #define CSR_READ_1(sc, reg) \ bus_space_read_1(sc->ax_btag, sc->ax_bhandle, reg) #define AX_TIMEOUT 1000 /* * General constants that are fun to know. * * ASIX PCI vendor ID */ #define AX_VENDORID 0x125B /* * ASIX device IDs. */ #define AX_DEVICEID_AX88140A 0x1400 /* * Texas Instruments PHY identifiers */ #define TI_PHY_VENDORID 0x4000 #define TI_PHY_10BT 0x501F #define TI_PHY_100VGPMI 0x502F /* * These ID values are for the NS DP83840A 10/100 PHY */ #define NS_PHY_VENDORID 0x2000 #define NS_PHY_83840A 0x5C0F /* * Level 1 10/100 PHY */ #define LEVEL1_PHY_VENDORID 0x7810 #define LEVEL1_PHY_LXT970 0x000F /* * Intel 82555 10/100 PHY */ #define INTEL_PHY_VENDORID 0x0A28 #define INTEL_PHY_82555 0x015F /* * SEEQ 80220 10/100 PHY */ #define SEEQ_PHY_VENDORID 0x0016 #define SEEQ_PHY_80220 0xF83F /* * PCI low memory base and low I/O base register, and * other PCI registers. */ #define AX_PCI_VENDOR_ID 0x00 #define AX_PCI_DEVICE_ID 0x02 #define AX_PCI_COMMAND 0x04 #define AX_PCI_STATUS 0x06 #define AX_PCI_REVID 0x08 #define AX_PCI_CLASSCODE 0x09 #define AX_PCI_LATENCY_TIMER 0x0D #define AX_PCI_HEADER_TYPE 0x0E #define AX_PCI_LOIO 0x10 #define AX_PCI_LOMEM 0x14 #define AX_PCI_BIOSROM 0x30 #define AX_PCI_INTLINE 0x3C #define AX_PCI_INTPIN 0x3D #define AX_PCI_MINGNT 0x3E #define AX_PCI_MINLAT 0x0F #define AX_PCI_RESETOPT 0x48 #define AX_PCI_EEPROM_DATA 0x4C /* power management registers */ #define AX_PCI_CAPID 0xDC /* 8 bits */ #define AX_PCI_NEXTPTR 0xDD /* 8 bits */ #define AX_PCI_PWRMGMTCAP 0xDE /* 16 bits */ #define AX_PCI_PWRMGMTCTRL 0xE0 /* 16 bits */ #define AX_PSTATE_MASK 0x0003 #define AX_PSTATE_D0 0x0000 #define AX_PSTATE_D1 0x0001 #define AX_PSTATE_D2 0x0002 #define AX_PSTATE_D3 0x0003 #define AX_PME_EN 0x0010 #define AX_PME_STATUS 0x8000 #define PHY_UNKNOWN 6 #define AX_PHYADDR_MIN 0x00 #define AX_PHYADDR_MAX 0x1F #define PHY_BMCR 0x00 #define PHY_BMSR 0x01 #define PHY_VENID 0x02 #define PHY_DEVID 0x03 #define PHY_ANAR 0x04 #define PHY_LPAR 0x05 #define PHY_ANEXP 0x06 #define PHY_ANAR_NEXTPAGE 0x8000 #define PHY_ANAR_RSVD0 0x4000 #define PHY_ANAR_TLRFLT 0x2000 #define PHY_ANAR_RSVD1 0x1000 #define PHY_ANAR_RSVD2 0x0800 #define PHY_ANAR_RSVD3 0x0400 #define PHY_ANAR_100BT4 0x0200 #define PHY_ANAR_100BTXFULL 0x0100 #define PHY_ANAR_100BTXHALF 0x0080 #define PHY_ANAR_10BTFULL 0x0040 #define PHY_ANAR_10BTHALF 0x0020 #define PHY_ANAR_PROTO4 0x0010 #define PHY_ANAR_PROTO3 0x0008 #define PHY_ANAR_PROTO2 0x0004 #define PHY_ANAR_PROTO1 0x0002 #define PHY_ANAR_PROTO0 0x0001 /* * These are the register definitions for the PHY (physical layer * interface chip). */ /* * PHY BMCR Basic Mode Control Register */ #define PHY_BMCR_RESET 0x8000 #define PHY_BMCR_LOOPBK 0x4000 #define PHY_BMCR_SPEEDSEL 0x2000 #define PHY_BMCR_AUTONEGENBL 0x1000 #define PHY_BMCR_RSVD0 0x0800 /* write as zero */ #define PHY_BMCR_ISOLATE 0x0400 #define PHY_BMCR_AUTONEGRSTR 0x0200 #define PHY_BMCR_DUPLEX 0x0100 #define PHY_BMCR_COLLTEST 0x0080 #define PHY_BMCR_RSVD1 0x0040 /* write as zero, don't care */ #define PHY_BMCR_RSVD2 0x0020 /* write as zero, don't care */ #define PHY_BMCR_RSVD3 0x0010 /* write as zero, don't care */ #define PHY_BMCR_RSVD4 0x0008 /* write as zero, don't care */ #define PHY_BMCR_RSVD5 0x0004 /* write as zero, don't care */ #define PHY_BMCR_RSVD6 0x0002 /* write as zero, don't care */ #define PHY_BMCR_RSVD7 0x0001 /* write as zero, don't care */ /* * RESET: 1 == software reset, 0 == normal operation * Resets status and control registers to default values. * Relatches all hardware config values. * * LOOPBK: 1 == loopback operation enabled, 0 == normal operation * * SPEEDSEL: 1 == 100Mb/s, 0 == 10Mb/s * Link speed is selected byt his bit or if auto-negotiation if bit * 12 (AUTONEGENBL) is set (in which case the value of this register * is ignored). * * AUTONEGENBL: 1 == Autonegotiation enabled, 0 == Autonegotiation disabled * Bits 8 and 13 are ignored when autoneg is set, otherwise bits 8 and 13 * determine speed and mode. Should be cleared and then set if PHY configured * for no autoneg on startup. * * ISOLATE: 1 == isolate PHY from MII, 0 == normal operation * * AUTONEGRSTR: 1 == restart autonegotiation, 0 = normal operation * * DUPLEX: 1 == full duplex mode, 0 == half duplex mode * * COLLTEST: 1 == collision test enabled, 0 == normal operation */ /* * PHY, BMSR Basic Mode Status Register */ #define PHY_BMSR_100BT4 0x8000 #define PHY_BMSR_100BTXFULL 0x4000 #define PHY_BMSR_100BTXHALF 0x2000 #define PHY_BMSR_10BTFULL 0x1000 #define PHY_BMSR_10BTHALF 0x0800 #define PHY_BMSR_RSVD1 0x0400 /* write as zero, don't care */ #define PHY_BMSR_RSVD2 0x0200 /* write as zero, don't care */ #define PHY_BMSR_RSVD3 0x0100 /* write as zero, don't care */ #define PHY_BMSR_RSVD4 0x0080 /* write as zero, don't care */ #define PHY_BMSR_MFPRESUP 0x0040 #define PHY_BMSR_AUTONEGCOMP 0x0020 #define PHY_BMSR_REMFAULT 0x0010 #define PHY_BMSR_CANAUTONEG 0x0008 #define PHY_BMSR_LINKSTAT 0x0004 #define PHY_BMSR_JABBER 0x0002 #define PHY_BMSR_EXTENDED 0x0001