Annotation of Gnu-Mach/i386/i386at/if_pc586.h, revision 1.1.1.1

1.1       root        1: /* 
                      2:  * Mach Operating System
                      3:  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
                      4:  * All Rights Reserved.
                      5:  * 
                      6:  * Permission to use, copy, modify and distribute this software and its
                      7:  * documentation is hereby granted, provided that both the copyright
                      8:  * notice and this permission notice appear in all copies of the
                      9:  * software, derivative works or modified versions, and any portions
                     10:  * thereof, and that both notices appear in supporting documentation.
                     11:  * 
                     12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     15:  * 
                     16:  * Carnegie Mellon requests users of this software to return to
                     17:  * 
                     18:  *  Software Distribution Coordinator  or  [email protected]
                     19:  *  School of Computer Science
                     20:  *  Carnegie Mellon University
                     21:  *  Pittsburgh PA 15213-3890
                     22:  * 
                     23:  * any improvements or extensions that they make and grant Carnegie Mellon
                     24:  * the rights to redistribute these changes.
                     25:  */
                     26: /* 
                     27:  *     Olivetti PC586 Mach Ethernet driver v1.0
                     28:  *     Copyright Ing. C. Olivetti & C. S.p.A. 1988, 1989
                     29:  *     All rights reserved.
                     30:  *
                     31:  */ 
                     32: /*
                     33:   Copyright 1988, 1989 by Olivetti Advanced Technology Center, Inc.,
                     34: Cupertino, California.
                     35: 
                     36:                All Rights Reserved
                     37: 
                     38:   Permission to use, copy, modify, and distribute this software and
                     39: its documentation for any purpose and without fee is hereby
                     40: granted, provided that the above copyright notice appears in all
                     41: copies and that both the copyright notice and this permission notice
                     42: appear in supporting documentation, and that the name of Olivetti
                     43: not be used in advertising or publicity pertaining to distribution
                     44: of the software without specific, written prior permission.
                     45: 
                     46:   OLIVETTI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
                     47: INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
                     48: IN NO EVENT SHALL OLIVETTI BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
                     49: CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
                     50: LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
                     51: NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUR OF OR IN CONNECTION
                     52: WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     53: */
                     54: 
                     55: /*
                     56:   Copyright 1988, 1989 by Intel Corporation, Santa Clara, California.
                     57: 
                     58:                All Rights Reserved
                     59: 
                     60: Permission to use, copy, modify, and distribute this software and
                     61: its documentation for any purpose and without fee is hereby
                     62: granted, provided that the above copyright notice appears in all
                     63: copies and that both the copyright notice and this permission notice
                     64: appear in supporting documentation, and that the name of Intel
                     65: not be used in advertising or publicity pertaining to distribution
                     66: of the software without specific, written prior permission.
                     67: 
                     68: INTEL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
                     69: INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
                     70: IN NO EVENT SHALL INTEL BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
                     71: CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
                     72: LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
                     73: NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
                     74: WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     75: */
                     76: 
                     77: #include       <i386at/i82586.h>       /* chip/board specific defines  */
                     78: 
                     79: #define        STATUS_TRIES    15000
                     80: #define        ETHER_ADD_SIZE  6       /* size of a MAC address                */
                     81: #define ETHER_PCK_SIZE 1500    /* maximum size of an ethernet packet   */
                     82: 
                     83: /*
                     84:  *     Board Specific Defines:
                     85:  */
                     86: 
                     87: #define OFFSET_NORMMODE        0x3000
                     88: #define OFFSET_CHANATT 0x3002
                     89: #define OFFSET_RESET           0x3004
                     90: #define OFFSET_INTENAB 0x3006
                     91: #define OFFSET_XFERMODE        0x3008
                     92: #define OFFSET_SYSTYPE 0x300a
                     93: #define OFFSET_INTSTAT 0x300c
                     94: #define OFFSET_PROM    0x2000 
                     95: 
                     96: #define EXTENDED_ADDR  0x20000
                     97: #define OFFSET_SCP      (0x7ff6 - 0x4000)
                     98: #define OFFSET_ISCP     (0x7fee - 0x4000)
                     99: #define OFFSET_SCB      (0x7fde - 0x4000)
                    100: #define OFFSET_RU       (0x4000 - 0x4000)
                    101: #define OFFSET_RBD     (0x4228 - 0x4000)
                    102: #define OFFSET_CU       (0x7814 - 0x4000)
                    103: 
                    104: #define OFFSET_TBD      (0x7914 - 0x4000)
                    105: #define OFFSET_TBUF     (0x79a4 - 0x4000)
                    106: #define N_FD              25  
                    107: #define N_RBD             25 
                    108: #define N_TBD            18
                    109: #define RCVBUFSIZE       540
                    110: #define DL_DEAD         0xffff
                    111: 
                    112: #define CMD_0           0     
                    113: #define CMD_1           0xffff
                    114: 
                    115: #define PC586NULL      0xffff                  /* pc586 NULL for lists */
                    116: 
                    117: #define        DSF_LOCK        1
                    118: #define DSF_RUNNING    2
                    119: 
                    120: #define MOD_ENAL 1
                    121: #define MOD_PROM 2
                    122: 
                    123: /*
                    124:  * Driver (not board) specific defines and structures:
                    125:  */
                    126: 
                    127: typedef        struct  {
                    128:        rbd_t   r;
                    129:        char    rbd_pad[2];
                    130:        char    rbuffer[RCVBUFSIZE];
                    131: } ru_t;
                    132: 
                    133: #ifdef MACH_KERNEL
                    134: #else  MACH_KERNEL
                    135: #ifndef TRUE
                    136: #define TRUE            1     
                    137: #endif         TRUE
                    138: #define        HZ              100
                    139: #endif MACH_KERNEL

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