/* * 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. * * $FreeBSD$ */ /* * COMET register definitions. */ #define AL_BUSCTL 0x00 /* bus control */ #define AL_TXSTART 0x08 /* tx start demand */ #define AL_RXSTART 0x10 /* rx start demand */ #define AL_RXADDR 0x18 /* rx descriptor list start addr */ #define AL_TXADDR 0x20 /* tx descriptor list start addr */ #define AL_ISR 0x28 /* interrupt status register */ #define AL_NETCFG 0x30 /* network config register */ #define AL_IMR 0x38 /* interrupt mask */ #define AL_FRAMESDISCARDED 0x40 /* # of discarded frames */ #define AL_SIO 0x48 /* MII and ROM/EEPROM access */ #define AL_RESERVED 0x50 #define AL_GENTIMER 0x58 /* general timer */ #define AL_GENPORT 0x60 /* general purpose port */ #define AL_WAKEUP_CTL 0x68 /* wake-up control/status register */ #define AL_WAKEUP_PAT 0x70 /* wake-up pattern data register */ #define AL_WATCHDOG 0x78 /* watchdog timer */ #define AL_ISR2 0x80 /* ISR assist register */ #define AL_IMR2 0x84 /* IRM assist register */ #define AL_COMMAND 0x88 /* command register */ #define AL_PCIPERF 0x8C /* pci perf counter */ #define AL_PWRMGMT 0x90 /* pwr management command/status */ #define AL_TXBURST 0x9C /* tx burst counter/timeout */ #define AL_FLASHPROM 0xA0 /* flash(boot) PROM port */ #define AL_PAR0 0xA4 /* station address */ #define AL_PAR1 0xA8 /* station address */ #define AL_MAR0 0xAC /* multicast hash filter */ #define AL_MAR1 0xB0 /* multicast hash filter */ #define AL_BMCR 0xB4 /* built in PHY control */ #define AL_BMSR 0xB8 /* built in PHY status */ #define AL_VENID 0xBC /* built in PHY ID0 */ #define AL_DEVID 0xC0 /* built in PHY ID1 */ #define AL_ANAR 0xC4 /* built in PHY autoneg advert */ #define AL_LPAR 0xC8 /* bnilt in PHY link part. ability */ #define AL_ANER 0xCC /* built in PHY autoneg expansion */ #define AL_PHY_MODECTL 0xD0 /* mode control */ #define AL_PHY_CONFIG 0xD4 /* config info and inter status */ #define AL_PHY_INTEN 0xD8 /* interrupto enable */ #define AL_PHY_MODECTL_100TX 0xDC /* 100baseTX control/status */ /* * Bus control bits. */ #define AL_BUSCTL_RESET 0x00000001 #define AL_BUSCTL_ARBITRATION 0x00000002 #define AL_BUSCTL_SKIPLEN 0x0000007C #define AL_BUSCTL_BIGENDIAN 0x00000080 #define AL_BUSCTL_BURSTLEN 0x00003F00 #define AL_BUSCTL_CACHEALIGN 0x0000C000 #define AL_BUSCTL_XMITPOLL 0x00060000 #define AL_BUSCTL_BUF_BIGENDIAN 0x00100000 #define AL_BUSCTL_READMULTI 0x00200000 #define AL_BUSCTL_READLINE 0x00800000 #define AL_BUSCTL_WRITEINVAL 0x01000000 #define AL_SKIPLEN_1LONG 0x00000004 #define AL_SKIPLEN_2LONG 0x00000008 #define AL_SKIPLEN_3LONG 0x00000010 #define AL_SKIPLEN_4LONG 0x00000020 #define AL_SKIPLEN_5LONG 0x00000040 #define AL_BURSTLEN_UNLIMIT 0x00000000 #define AL_BURSTLEN_1LONG 0x00000100 #define AL_BURSTLEN_2LONG 0x00000200 #define AL_BURSTLEN_4LONG 0x00000400 #define AL_BURSTLEN_8LONG 0x00000800 #define AL_BURSTLEN_16LONG 0x00001000 #define AL_BURSTLEN_32LONG 0x00002000 #define AL_CACHEALIGN_NONE 0x00000000 #define AL_CACHEALIGN_8LONG 0x00004000 #define AL_CACHEALIGN_16LONG 0x00008000 #define AL_CACHEALIGN_32LONG 0x0000C000 #define AL_TXPOLL_OFF 0x00000000 #define AL_TXPOLL_200U 0x00020000 #define AX_TXPOLL_800U 0x00040000 #define AL_TXPOLL_1600U 0x00060000 /* * Interrupt status bits. */ #define AL_ISR_TX_OK 0x00000001 #define AL_ISR_TX_IDLE 0x00000002 #define AL_ISR_TX_NOBUF 0x00000004 #define AL_ISR_TX_JABBERTIMEO 0x00000008 #define AL_ISR_TX_UNDERRUN 0x00000020 #define AL_ISR_RX_OK 0x00000040 #define AL_ISR_RX_NOBUF 0x00000080 #define AL_ISR_RX_IDLE 0x00000100 #define AL_ISR_RX_WATDOGTIMEO 0x00000200 #define AL_ISR_TIMER_EXPIRED 0x00000800 #define AL_ISR_BUS_ERR 0x00002000 #define AL_ISR_ABNORMAL 0x00008000 #define AL_ISR_NORMAL 0x00010000 #define AL_ISR_RX_STATE 0x000E0000 #define AL_ISR_TX_STATE 0x00700000 #define AL_ISR_BUSERRTYPE 0x03800000 #define AL_RXSTATE_STOPPED 0x00000000 /* 000 - Stopped */ #define AL_RXSTATE_FETCH 0x00020000 /* 001 - Fetching descriptor */ #define AL_RXSTATE_ENDCHECK 0x00040000 /* 010 - check for rx end */ #define AL_RXSTATE_WAIT 0x00060000 /* 011 - waiting for packet */ #define AL_RXSTATE_SUSPEND 0x00080000 /* 100 - suspend rx */ #define AL_RXSTATE_CLOSE 0x000A0000 /* 101 - close tx desc */ #define AL_RXSTATE_FLUSH 0x000C0000 /* 110 - flush from FIFO */ #define AL_RXSTATE_DEQUEUE 0x000E0000 /* 111 - dequeue from FIFO */ #define AL_TXSTATE_RESET 0x00000000 /* 000 - reset */ #define AL_TXSTATE_FETCH 0x00100000 /* 001 - fetching descriptor */ #define AL_TXSTATE_WAITEND 0x00200000 /* 010 - wait for tx end */ #define AL_TXSTATE_READING 0x00300000 /* 011 - read and enqueue */ #define AL_TXSTATE_RSVD 0x00400000 /* 100 - reserved */ #define AL_TXSTATE_SETUP 0x00500000 /* 101 - setup packet */ #define AL_TXSTATE_SUSPEND 0x00600000 /* 110 - suspend tx */ #define AL_TXSTATE_CLOSE 0x00700000 /* 111 - close tx desc */ /* * Network config bits. */ #define AL_NETCFG_RX_ON 0x00000002 #define AL_NETCFG_RX_BADFRAMES 0x00000008 #define AL_NETCFG_RX_BACKOFF 0x00000020 #define AL_NETCFG_RX_PROMISC 0x00000040 #define AL_NETCFG_RX_ALLMULTI 0x00000080 #define AL_NETCFG_OPMODE 0x00000C00 #define AL_NETCFG_FORCECOLL 0x00001000 #define AL_NETCFG_TX_ON 0x00002000 #define AL_NETCFG_TX_THRESH 0x0000C000 #define AL_NETCFG_HEARTBEAT 0x00080000 /* 0 == ON, 1 == OFF */ #define AL_NETCFG_STORENFWD 0x00200000 #define AL_OPMODE_NORM 0x00000000 #define AL_OPMODE_INTLOOP 0x00000400 #define AL_OPMODE_EXTLOOP 0x00000800 #define AL_TXTHRESH_72BYTES 0x00000000 #define AL_TXTHRESH_96BYTES 0x00004000 #define AL_TXTHRESH_128BYTES 0x00008000 #define AL_TXTHRESH_160BYTES 0x0000C000 /* * Interrupt mask bits. */ #define AL_IMR_TX_OK 0x00000001 #define AL_IMR_TX_IDLE 0x00000002 #define AL_IMR_TX_NOBUF 0x00000004 #define AL_IMR_TX_JABBERTIMEO 0x00000008 #define AL_IMR_TX_UNDERRUN 0x00000020 #define AL_IMR_RX_OK 0x00000040 #define AL_IMR_RX_NOBUF 0x00000080 #define AL_IMR_RX_IDLE 0x00000100 #define AL_IMR_RX_WATDOGTIMEO 0x00000200 #define AL_IMR_TIMER_EXPIRED 0x00000800 #define AL_IMR_BUS_ERR 0x00002000 #define AL_IMR_ABNORMAL 0x00008000 #define AL_IMR_NORMAL 0x00010000 #define AL_INTRS \ (AL_IMR_RX_OK|AL_IMR_TX_OK|AL_IMR_RX_NOBUF|AL_IMR_RX_WATDOGTIMEO|\ AL_IMR_TX_NOBUF|AL_IMR_TX_UNDERRUN|AL_IMR_BUS_ERR| \ AL_IMR_ABNORMAL|AL_IMR_NORMAL|AL_IMR_TX_IDLE|AL_IMR_RX_IDLE) /* * Missed packer register. */ #define AL_MISSEDPKT_CNT 0x0000FFFF #define AL_MISSEDPKT_OFLOW 0x00010000 /* * Serial I/O (EEPROM/ROM) bits. */ #define AL_SIO_EE_CS 0x00000001 /* EEPROM chip select */ #define AL_SIO_EE_CLK 0x00000002 /* EEPROM clock */ #define AL_SIO_EE_DATAIN 0x00000004 /* EEPROM data output */ #define AL_SIO_EE_DATAOUT 0x00000008 /* EEPROM data input */ #define AL_SIO_EESEL 0x00000800 #define AL_SIO_ROMCTL_WRITE 0x00002000 #define AL_SIO_ROMCTL_READ 0x00004000 #define AL_SIO_MII_CLK 0x00010000 /* MDIO clock */ #define AL_SIO_MII_DATAOUT 0x00020000 /* MDIO data out */ #define AL_SIO_MII_DIR 0x00040000 /* MDIO dir */ #define AL_SIO_MII_DATAIN 0x00080000 /* MDIO data in */ #define AL_EECMD_WRITE 0x140 #define AL_EECMD_READ 0x180 #define AL_EECMD_ERASE 0x1c0 #define AL_EE_NODEADDR_OFFSET 0x70 #define AL_EE_NODEADDR 4 /* * General purpose timer register */ #define AL_TIMER_VALUE 0x0000FFFF #define AL_TIMER_CONTINUOUS 0x00010000 /* * Wakeup control/status register. */ #define AL_WU_LINKSTS 0x00000001 /* link status changed */ #define AL_WU_MAGICPKT 0x00000002 /* magic packet received */ #define AL_WU_WUPKT 0x00000004 /* wake up pkt received */ #define AL_WU_LINKSTS_ENB 0x00000100 /* enable linksts event */ #define AL_WU_MAGICPKT_ENB 0x00000200 /* enable magicpkt event */ #define AL_WU_WUPKT_ENB 0x00000400 /* enable wakeup pkt event */ #define AL_WU_LINKON_ENB 0x00010000 /* enable link on detect */ #define AL_WU_LINKOFF_ENB 0x00020000 /* enable link off detect */ #define AL_WU_WKUPMATCH_PAT5 0x02000000 /* enable wkup pat 5 match */ #define AL_WU_WKUPMATCH_PAT4 0x04000000 /* enable wkup pat 4 match */ #define AL_WU_WKUPMATCH_PAT3 0x08000000 /* enable wkup pat 3 match */ #define AL_WU_WKUPMATCH_PAT2 0x10000000 /* enable wkup pat 2 match */ #define AL_WU_WKUPMATCH_PAT1 0x20000000 /* enable wkup pat 1 match */ #define AL_WU_CRCTYPE 0x40000000 /* crc: 0=0000, 1=ffff */ /* * Wakeup pattern structure. */ struct al_wu_pattern { u_int32_t al_wu_bits[4]; }; struct al_wakeup { struct al_wu_pattern al_wu_pat; u_int16_t al_wu_crc1; u_int16_t al_wu_offset1; }; struct al_wakup_record { struct al_wakeup al_wakeup[5]; }; /* * Watchdog timer register. */ #define AL_WDOG_JABDISABLE 0x00000001 #define AL_WDOG_NONJABBER 0x00000002 #define AL_WDOG_JABCLK 0x00000004 #define AL_WDOG_RXWDOG_DIS 0x00000010 #define AL_WDOG_RXWDOG_REL 0x00000020 /* * Assistant status register. */ #define AL_ISR2_ABNORMAL 0x00008000 #define AL_ISR2_NORMAL 0x00010000 #define AL_ISR2_RX_STATE 0x000E0000 #define AL_ISR2_TX_STATE 0x00700000 #define AL_ISR2_BUSERRTYPE 0x03800000 #define AL_ISR2_PAUSE 0x04000000 /* PAUSE frame received */ #define AL_ISR2_TX_DEFER 0x10000000 #define AL_ISR2_XCVR_INT 0x20000000 #define AL_ISR2_RX_EARLY 0x40000000 #define AL_ISR2_TX_EARLY 0x80000000 /* * Assistant mask register. */ #define AL_IMR2_ABNORMAL 0x00008000 #define AL_IMR2_NORMAL 0x00010000 #define AL_IMR2_PAUSE 0x04000000 /* PAUSE frame received */ #define AL_IMR2_TX_DEFER 0x10000000 #define AL_IMR2_XCVR_INT 0x20000000 #define AL_IMR2_RX_EARLY 0x40000000 #define AL_IMR2_TX_EARLY 0x80000000 /* * Command register, some bits loaded from EEPROM. */ #define AL_CMD_TXURUN_REC 0x00000001 /* enable TX underflow recovery */ #define AL_CMD_SOFTWARE_INT 0x00000002 /* software interrupt */ #define AL_CMD_DRT 0x0000000C /* drain receive threshold */ #define AL_CMD_RXTHRESH_ENB 0x00000010 /* rx threshold enable */ #define AL_CMD_PAUSE 0x00000020 #define AL_CMD_RST_WU_PTR 0x00000040 /* reset wakeup pattern reg. */ /* Values below loaded from EEPROM. */ #define AL_CMD_WOL_ENB 0x00040000 /* WOL enable */ #define AL_CMD_PM_ENB 0x00080000 /* pwr mgmt enable */ #define AL_CMD_RX_FIFO 0x00300000 #define AL_CMD_LED_MODE 0x00400000 #define AL_CMD_CURRENT_MODE 0x70000000 #define AL_CMD_D3COLD 0x80000000 /* * PCI performance counter. */ #define AL_PCI_DW_CNT 0x000000FF #define AL_PCI_CLK 0xFFFF0000 /* * Power management command and status. */ #define AL_PWRM_PWR_STATE 0x00000003 #define AL_PWRM_PME_EN 0x00000100 #define AL_PWRM_DSEL 0x00001E00 #define AL_PWRM_DSCALE 0x00006000 #define AL_PWRM_PME_STAT 0x00008000 /* * TX burst count / timeout register. */ #define AL_TXB_TIMEO 0x00000FFF #define AL_TXB_BURSTCNT 0x0000F000 /* * Flash PROM register. */ #define AL_PROM_DATA 0x0000000F #define AL_PROM_ADDR 0x01FFFFF0 #define AL_PROM_WR_ENB 0x04000000 #define AL_PROM_BRA16_ON 0x80000000 /* * COMET TX/RX list structure. */ struct al_desc { u_int32_t al_status; u_int32_t al_ctl; u_int32_t al_ptr1; u_int32_t al_ptr2; /* Driver specific stuff. */ #ifdef __i386__ u_int32_t al_pad; #endif struct mbuf *al_mbuf; struct al_desc *al_nextdesc; }; #define al_data al_ptr1 #define al_next al_ptr2 #define AL_RXSTAT_FIFOOFLOW 0x00000001 #define AL_RXSTAT_CRCERR 0x00000002 #define AL_RXSTAT_DRIBBLE 0x00000004 #define AL_RXSTAT_WATCHDOG 0x00000010 #define AL_RXSTAT_FRAMETYPE 0x00000020 /* 0 == IEEE 802.3 */ #define AL_RXSTAT_COLLSEEN 0x00000040 #define AL_RXSTAT_GIANT 0x00000080 #define AL_RXSTAT_LASTFRAG 0x00000100 #define AL_RXSTAT_FIRSTFRAG 0x00000200 #define AL_RXSTAT_MULTICAST 0x00000400 #define AL_RXSTAT_RUNT 0x00000800 #define AL_RXSTAT_RXTYPE 0x00003000 #define AL_RXSTAT_RXERR 0x00008000 #define AL_RXSTAT_RXLEN 0x3FFF0000 #define AL_RXSTAT_OWN 0x80000000 #define AL_RXBYTES(x) ((x & AL_RXSTAT_RXLEN) >> 16) #define AL_RXSTAT (AL_RXSTAT_FIRSTFRAG|AL_RXSTAT_LASTFRAG|AL_RXSTAT_OWN) #define AL_RXCTL_BUFLEN1 0x00000FFF #define AL_RXCTL_BUFLEN2 0x00FFF000 #define AL_RXCTL_RLINK 0x01000000 #define AL_RXCTL_RLAST 0x02000000 #define AL_TXSTAT_DEFER 0x00000001 #define AL_TXSTAT_UNDERRUN 0x00000002 #define AL_TXSTAT_LINKFAIL 0x00000003 #define AL_TXSTAT_COLLCNT 0x00000078 #define AL_TXSTAT_SQE 0x00000080 #define AL_TXSTAT_EXCESSCOLL 0x00000100 #define AL_TXSTAT_LATECOLL 0x00000200 #define AL_TXSTAT_NOCARRIER 0x00000400 #define AL_TXSTAT_CARRLOST 0x00000800 #define AL_TXSTAT_JABTIMEO 0x00004000 #define AL_TXSTAT_ERRSUM 0x00008000 #define AL_TXSTAT_OWN 0x80000000 #define AL_TXCTL_BUFLEN1 0x000007FF #define AL_TXCTL_BUFLEN2 0x003FF800 #define AL_TXCTL_PAD 0x00800000 #define AL_TXCTL_TLINK 0x01000000 #define AL_TXCTL_TLAST 0x02000000 #define AL_TXCTL_NOCRC 0x04000000 #define AL_TXCTL_FIRSTFRAG 0x20000000 #define AL_TXCTL_LASTFRAG 0x40000000 #define AL_TXCTL_FINT 0x80000000 #define AL_MAXFRAGS 16 #define AL_RX_LIST_CNT 64 #define AL_TX_LIST_CNT 128 #define AL_MIN_FRAMELEN 60 #define AL_RXLEN 1536 #define AL_INC(x, y) (x) = (x + 1) % y struct al_list_data { struct al_desc al_rx_list[AL_RX_LIST_CNT]; struct al_desc al_tx_list[AL_TX_LIST_CNT]; }; struct al_chain_data { int al_tx_prod; int al_tx_cons; int al_tx_cnt; int al_rx_prod; }; struct al_type { u_int16_t al_vid; u_int16_t al_did; char *al_name; }; struct al_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; }; #define AL_MII_STARTDELIM 0x01 #define AL_MII_READOP 0x02 #define AL_MII_WRITEOP 0x01 #define AL_MII_TURNAROUND 0x02 struct al_softc { struct arpcom arpcom; /* interface info */ struct ifmedia ifmedia; /* media info */ bus_space_handle_t al_bhandle; /* bus space handle */ bus_space_tag_t al_btag; /* bus space tag */ struct resource *al_res; struct resource *al_irq; void *al_intrhand; device_t al_miibus; struct al_type *al_info; /* COMET adapter info */ int al_did; u_int8_t al_unit; /* interface number */ struct al_list_data *al_ldata; struct al_chain_data al_cdata; u_int8_t al_cachesize; struct callout_handle al_stat_ch; }; /* * register space access macros */ #define CSR_WRITE_4(sc, reg, val) \ bus_space_write_4(sc->al_btag, sc->al_bhandle, reg, val) #define CSR_WRITE_2(sc, reg, val) \ bus_space_write_2(sc->al_btag, sc->al_bbhandle, reg, val) #define CSR_WRITE_1(sc, reg, val) \ bus_space_write_1(sc->al_btag, sc->al_bhandle, reg, val) #define CSR_READ_4(sc, reg) \ bus_space_read_4(sc->al_btag, sc->al_bhandle, reg) #define CSR_READ_2(sc, reg) \ bus_space_read_2(sc->al_btag, sc->al_bhandle, reg) #define CSR_READ_1(sc, reg) \ bus_space_read_1(sc->al_btag, sc->al_bhandle, reg) #define AL_TIMEOUT 1000 #define ETHER_ALIGN 2 /* * General constants that are fun to know. * * ADMtek PCI vendor ID */ #define AL_VENDORID 0x1317 /* * AL981 device IDs. */ #define AL_DEVICEID_AL981 0x0981 /* * AN985 device IDs. */ #define AL_DEVICEID_AN985 0x0985 /* * PCI low memory base and low I/O base register, and * other PCI registers. */ #define AL_PCI_VENDOR_ID 0x00 #define AL_PCI_DEVICE_ID 0x02 #define AL_PCI_COMMAND 0x04 #define AL_PCI_STATUS 0x06 #define AL_PCI_REVID 0x08 #define AL_PCI_CLASSCODE 0x09 #define AL_PCI_CACHELEN 0x0C #define AL_PCI_LATENCY_TIMER 0x0D #define AL_PCI_HEADER_TYPE 0x0E #define AL_PCI_LOIO 0x10 #define AL_PCI_LOMEM 0x14 #define AL_PCI_BIOSROM 0x30 #define AL_PCI_INTLINE 0x3C #define AL_PCI_INTPIN 0x3D #define AL_PCI_MINGNT 0x3E #define AL_PCI_MINLAT 0x0F #define AL_PCI_RESETOPT 0x48 #define AL_PCI_EEPROM_DATA 0x4C /* power management registers */ #define AL_PCI_CAPID 0x44 /* 8 bits */ #define AL_PCI_NEXTPTR 0x45 /* 8 bits */ #define AL_PCI_PWRMGMTCAP 0x46 /* 16 bits */ #define AL_PCI_PWRMGMTCTRL 0x48 /* 16 bits */ #define AL_PSTATE_MASK 0x0003 #define AL_PSTATE_D0 0x0000 #define AL_PSTATE_D1 0x0001 #define AL_PSTATE_D2 0x0002 #define AL_PSTATE_D3 0x0003 #define AL_PME_EN 0x0010 #define AL_PME_STATUS 0x8000 #ifdef __alpha__ #undef vtophys #define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va) #endif