xref: /openbsd/sys/dev/ic/ne2000reg.h (revision 404b540a)
1 /*	$OpenBSD: ne2000reg.h,v 1.3 2006/10/20 18:27:25 brad Exp $	*/
2 /*	$NetBSD: ne2000reg.h,v 1.2 1997/10/14 22:54:11 thorpej Exp $	*/
3 
4 /*
5  * National Semiconductor DS8390 NIC register definitions.
6  *
7  * Copyright (C) 1993, David Greenman.  This software may be used, modified,
8  * copied, distributed, and sold, in both source and binary form provided that
9  * the above copyright and these terms are retained.  Under no circumstances is
10  * the author responsible for the proper functioning of this software, nor does
11  * the author assume any responsibility for damages incurred with its use.
12  */
13 
14 #ifndef _DEV_IC_NE2000REG_H_
15 #define	_DEV_IC_NE2000REG_H_
16 
17 /*
18  * Register group offsets from base.
19  */
20 #define	NE2000_NIC_OFFSET	0x00
21 #define	NE2000_ASIC_OFFSET	0x10
22 
23 #define	NE2000_NIC_NPORTS	0x10
24 #define	NE2000_ASIC_NPORTS	0x10
25 #define	NE2000_NPORTS		0x20
26 
27 /*
28  * NE2000 ASIC registers (given as offsets from ASIC base).
29  */
30 #define	NE2000_ASIC_DATA	0x00	/* remote DMA/data register */
31 #define	NE2000_ASIC_RESET	0x0f	/* reset on read */
32 
33 #endif /* _DEV_IC_NE2000REG_H_ */
34