/* $OpenBSD: am7990reg.h,v 1.8 2007/05/23 09:00:17 jmc Exp $ */ /* $NetBSD: am7990reg.h,v 1.1 1995/04/11 04:17:50 mycroft Exp $ */ /*- * Copyright (c) 1995 Charles M. Hannum. All rights reserved. * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ralph Campbell and Rick Macklem. * * 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. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS OR CONTRIBUTORS 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. * * @(#)if_lereg.h 8.1 (Berkeley) 6/10/93 */ /* * Documentation for this chip: * Am79C90 CMOS Local Area Network Controller for Ethernet * AMD Publication #: 17881, Rev C, Jan 1997 */ #define LEMINSIZE 60 /* should be 64 if mode DTCR is set */ /* * Receive message descriptor */ struct lermd { u_int16_t rmd0; #if BYTE_ORDER == BIG_ENDIAN u_int8_t rmd1_bits; u_int8_t rmd1_hadr; #else u_int8_t rmd1_hadr; u_int8_t rmd1_bits; #endif int16_t rmd2; u_int16_t rmd3; }; /* * Transmit message descriptor */ struct letmd { u_int16_t tmd0; #if BYTE_ORDER == BIG_ENDIAN u_int8_t tmd1_bits; u_int8_t tmd1_hadr; #else u_int8_t tmd1_hadr; u_int8_t tmd1_bits; #endif int16_t tmd2; u_int16_t tmd3; }; /* * Initialization block */ struct leinit { u_int16_t init_mode; /* +0x0000 */ u_int16_t init_padr[3]; /* +0x0002 */ u_int16_t init_ladrf[4]; /* +0x0008 */ u_int16_t init_rdra; /* +0x0010 */ u_int16_t init_rlen; /* +0x0012 */ u_int16_t init_tdra; /* +0x0014 */ u_int16_t init_tlen; /* +0x0016 */ int16_t pad0[4]; /* Pad to 16 shorts */ }; #define LE_INITADDR(sc) (sc->sc_initaddr) #define LE_RMDADDR(sc, bix) (sc->sc_rmdaddr + sizeof(struct lermd) * (bix)) #define LE_TMDADDR(sc, bix) (sc->sc_tmdaddr + sizeof(struct letmd) * (bix)) #define LE_RBUFADDR(sc, bix) (sc->sc_rbufaddr + ETHER_MAX_DIX_LEN * (bix)) #define LE_TBUFADDR(sc, bix) (sc->sc_tbufaddr + ETHER_MAX_DIX_LEN * (bix)) /* register addresses */ #define LE_CSR0 0x0000 /* Control and status register */ #define LE_CSR1 0x0001 /* low address of init block */ #define LE_CSR2 0x0002 /* high address of init block */ #define LE_CSR3 0x0003 /* Bus master and control */ /* Control and status register 0 (csr0) */ #define LE_C0_ERR 0x8000 /* error summary */ #define LE_C0_BABL 0x4000 /* transmitter timeout error */ #define LE_C0_CERR 0x2000 /* collision */ #define LE_C0_MISS 0x1000 /* missed a packet */ #define LE_C0_MERR 0x0800 /* memory error */ #define LE_C0_RINT 0x0400 /* receiver interrupt */ #define LE_C0_TINT 0x0200 /* transmitter interrupt */ #define LE_C0_IDON 0x0100 /* initialization done */ #define LE_C0_INTR 0x0080 /* interrupt condition */ #define LE_C0_INEA 0x0040 /* interrupt enable */ #define LE_C0_RXON 0x0020 /* receiver on */ #define LE_C0_TXON 0x0010 /* transmitter on */ #define LE_C0_TDMD 0x0008 /* transmit demand */ #define LE_C0_STOP 0x0004 /* disable all external activity */ #define LE_C0_STRT 0x0002 /* enable external activity */ #define LE_C0_INIT 0x0001 /* begin initialization */ #define LE_C0_BITS \ "\20\20ERR\17BABL\16CERR\15MISS\14MERR\13RINT\ \12TINT\11IDON\10INTR\07INEA\06RXON\05TXON\04TDMD\03STOP\02STRT\01INIT" /* Control and status register 3 (csr3) */ #define LE_C3_BSWP 0x0004 /* byte swap */ #define LE_C3_ACON 0x0002 /* ALE control, eh? */ #define LE_C3_BCON 0x0001 /* byte control */ /* Initialization block (mode) */ #define LE_MODE_PROM 0x8000 /* promiscuous mode */ /* 0x7f80 reserved, must be zero */ #define LE_MODE_INTL 0x0040 /* internal loopback */ #define LE_MODE_DRTY 0x0020 /* disable retry */ #define LE_MODE_COLL 0x0010 /* force a collision */ #define LE_MODE_DTCR 0x0008 /* disable transmit CRC */ #define LE_MODE_LOOP 0x0004 /* loopback mode */ #define LE_MODE_DTX 0x0002 /* disable transmitter */ #define LE_MODE_DRX 0x0001 /* disable receiver */ #define LE_MODE_NORMAL 0 /* none of the above */ /* Receive message descriptor 1 (rmd1_bits) */ #define LE_R1_OWN 0x80 /* LANCE owns the packet */ #define LE_R1_ERR 0x40 /* error summary */ #define LE_R1_FRAM 0x20 /* framing error */ #define LE_R1_OFLO 0x10 /* overflow error */ #define LE_R1_CRC 0x08 /* CRC error */ #define LE_R1_BUFF 0x04 /* buffer error */ #define LE_R1_STP 0x02 /* start of packet */ #define LE_R1_ENP 0x01 /* end of packet */ #define LE_R1_BITS \ "\20\10OWN\7ERR\6FRAM\5OFLO\4CRC\3BUFF\2STP\1ENP" /* Transmit message descriptor 1 (tmd1_bits) */ #define LE_T1_OWN 0x80 /* LANCE owns the packet */ #define LE_T1_ERR 0x40 /* error summary */ #define LE_T1_MORE 0x10 /* multiple collisions */ #define LE_T1_ONE 0x08 /* single collision */ #define LE_T1_DEF 0x04 /* deferred transmit */ #define LE_T1_STP 0x02 /* start of packet */ #define LE_T1_ENP 0x01 /* end of packet */ #define LE_T1_BITS \ "\20\10OWN\7ERR\6RES\5MORE\4ONE\3DEF\2STP\1ENP" /* Transmit message descriptor 3 (tmd3) */ #define LE_T3_BUFF 0x8000 /* buffer error */ #define LE_T3_UFLO 0x4000 /* underflow error */ #define LE_T3_LCOL 0x1000 /* late collision */ #define LE_T3_LCAR 0x0800 /* loss of carrier */ #define LE_T3_RTRY 0x0400 /* retry error */ #define LE_T3_TDR_MASK 0x03ff /* time domain reflectometry counter */ #define LE_XMD2_ONES 0xf000 #define LE_T3_BITS \ "\20\20BUFF\17UFLO\16RES\15LCOL\14LCAR\13RTRY"