diff options
author | Thomas Bushnell <thomas@gnu.org> | 1997-02-25 21:28:37 +0000 |
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committer | Thomas Bushnell <thomas@gnu.org> | 1997-02-25 21:28:37 +0000 |
commit | f07a4c844da9f0ecae5bbee1ab94be56505f26f7 (patch) | |
tree | 12b07c7e578fc1a5f53dbfde2632408491ff2a70 /i386/i386at/if_nereg.h |
Initial source
Diffstat (limited to 'i386/i386at/if_nereg.h')
-rw-r--r-- | i386/i386at/if_nereg.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/i386/i386at/if_nereg.h b/i386/i386at/if_nereg.h new file mode 100644 index 0000000..a6b5a82 --- /dev/null +++ b/i386/i386at/if_nereg.h @@ -0,0 +1,66 @@ +/*- + * Copyright (c) 1991 The Regents of the University of California. + * 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 the University of + * California, Berkeley and its contributors. + * 4. 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_nereg.h 7.1 (Berkeley) 5/9/91 + */ + +/* + * NE1000/2000 Ethernet Card registers + */ + +/* This card uses a DS8390 Ethernet controller in at the beginning of + its i/o space */ + +#define ne_data 0x10 /* Data Transfer port */ +#define ne_reset 0x1F /* Card Reset port */ + +#define PKTSZ 6 /* Size of transmit buffer */ + +/* Span of memory on an NE2000 */ +#define TBUF16 0x40 /* Starting location of Transmit Buffer */ +#define RBUFEND16 0x80 /* Ending location of Receive Buffer */ + +/* Span of memory on an NE1000 */ +#define TBUF8 0x20 /* Starting location of Transmit Buffer */ +#define RBUFEND8 0x40 /* Ending location of Receive Buffer */ + +#if 0 +#define PKTSZ 3*512 /* Size of transmit buffer */ + +/* Span of memory on an NE2000 */ +#define TBUF16 (16*1024) /* Starting location of Transmit Buffer */ +#define RBUFEND16 (32*1024) /* Ending location of Receive Buffer */ + +/* Span of memory on an NE1000 */ +#define TBUF8 (8*1024) /* Starting location of Transmit Buffer */ +#define RBUFEND8 (16*1024) /* Ending location of Receive Buffer */ +#endif |