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Diffstat (limited to 'i386/i386at/if_3c501.h')
| -rw-r--r-- | i386/i386at/if_3c501.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/i386/i386at/if_3c501.h b/i386/i386at/if_3c501.h new file mode 100644 index 00000000..ac0641f5 --- /dev/null +++ b/i386/i386at/if_3c501.h @@ -0,0 +1,175 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + * File: if_3c501.h + * Author: Philippe Bernadat + * Date: 1989 + * Copyright (c) 1989 OSF Research Institute + * + * 3COM Etherlink 3C501 Mach Ethernet drvier + */ +/* + Copyright 1990 by Open Software Foundation, +Cambridge, MA. + + All Rights Reserved + + Permission to use, copy, modify, and distribute this software and +its documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appears in all copies and +that both the copyright notice and this permission notice appear in +supporting documentation, and that the name of OSF or Open Software +Foundation not be used in advertising or publicity pertaining to +distribution of the software without specific, written prior +permission. + + OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE +INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, +IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR +CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, +NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION +WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +/* The various IE command registers */ + +#define EDLC_ADDR(base) (base) /* EDLC station address, 6 bytes*/ +#define EDLC_RCV(base) ((base)+0x6) /* EDLC receive cmd. & stat. */ +#define EDLC_XMT(base) ((base)+0x7) /* EDLC transmit cmd. & stat. */ +#define IE_GP(base) ((base)+0x8) /* General Purpose pointer */ +#define IE_RP(base) ((base)+0xa) /* Receive buffer pointer */ +#define IE_SAPROM(base) ((base)+0xc) /* station addr prom window */ +#define IE_CSR(base) ((base)+0xe) /* IE command and status */ +#define IE_BFR(base) ((base)+0xf) /* 1 byte window on packet buffer*/ + +/* CSR Status Register (read) + * + * _______________________________________________________________________ + * | | | | | | | | | + * | XMTBSY | RIDE | DMA | EDMA | BUFCTL | | RCVBSY | + * |________|________|________|________|________|________|________|________| + * + */ + +/* CSR Command Register (write) + * + * _______________________________________________________________________ + * | | | | | | | | | + * | RESET | RIDE | DMA | | BUFCTL | | IRE | + * |________|________|________|________|________|________|________|________| + * + */ + +#define IE_XMTBSY 0x80 /* Transmitter busy (ro) */ +#define IE_RESET 0x80 /* reset the controller (wo) */ +#define IE_RIDE 0x40 /* request interrupt/DMA enable (rw) */ +#define IE_DMA 0x20 /* DMA request (rw) */ +#define IE_EDMA 0x10 /* DMA done (ro) */ +#define IE_BUFCTL 0x0c /* mask for buffer control field (rw) */ +#define IE_RCVBSY 0x01 /* receive in progress (ro) */ +#define IE_IRE 0x01 /* Interrupt request enable */ + +/* BUFCTL values */ + +#define IE_LOOP 0x0c /* 2 bit field in bits 2,3, loopback */ +#define IE_RCVEDLC 0x08 /* gives buffer to receiver */ +#define IE_XMTEDLC 0x04 /* gives buffer to transmit */ +#define IE_SYSBFR 0x00 /* gives buffer to processor */ + +/* XMTCSR Transmit Status Register (read) + * + * _______________________________________________________________________ + * | | | | | | | | | + * | | | | | IDLE | 16 | JAM | UNDER | + * |________|________|________|________|________|________|________|________| + * + */ + +/* XMTCSR Transmit Command Register (write) enables interrupts when written + * + * _______________________________________________________________________ + * | | | | | | | | | + * | | | | | | | | | + * |________|________|________|________|________|________|________|________| + * + */ + +#define EDLC_IDLE 0x08 /* transmit idle */ +#define EDLC_16 0x04 /* packet experienced 16 collisions */ +#define EDLC_JAM 0x02 /* packet experienced a collision */ +#define EDLC_UNDER 0x01 /* data underflow */ + +/* RCVCSR Receive Status Register (read) + * + * _______________________________________________________________________ + * | | | | | | | | | + * | STALE | | GOOD | ANY | SHORT | DRIBBLE| FCS | OVER | + * |________|________|________|________|________|________|________|________| + * + */ + +/* RCVCSR Receive Command Register (write) enables interrupt when written + * + * _______________________________________________________________________ + * | | | | | | | | | + * | ADDR MATCH MODE | GOOD | ANY | SHORT | DRIBBLE| FCS | OVER | + * |________|________|________|________|________|________|________|________| + * + */ + +#define EDLC_STALE 0x80 /* receive CSR status previously read */ +#define EDLC_GOOD 0x20 /* well formed packets only */ +#define EDLC_ANY 0x10 /* any packet, even those with errors */ +#define EDLC_SHORT 0x08 /* short frame */ +#define EDLC_DRIBBLE 0x04 /* dribble error */ +#define EDLC_FCS 0x02 /* CRC error */ +#define EDLC_OVER 0x01 /* data overflow */ + +/* Address Match Mode */ + +#define EDLC_NONE 0x00 /* match mode in bits 5-6, write only */ +#define EDLC_ALL 0x40 /* promiscuous receive, write only */ +#define EDLC_BROAD 0x80 /* station address plus broadcast */ +#define EDLC_MULTI 0xc0 /* station address plus multicast */ + +/* Packet Buffer size */ + +#define BFRSIZ 2048 + +#define NAT3C501 1 +#define ETHER_ADD_SIZE 6 /* size of a MAC address */ + +#ifndef TRUE +#define TRUE 1 +#endif TRUE +#define HZ 100 + +#define DSF_LOCK 1 +#define DSF_RUNNING 2 + +#define MOD_ENAL 1 +#define MOD_PROM 2 |