xref: /openbsd-src/sys/dev/ic/ne2000reg.h (revision b6f23c974822909b272b2e5362e112151184c414)
1*b6f23c97Sbrad /*	$OpenBSD: ne2000reg.h,v 1.3 2006/10/20 18:27:25 brad Exp $	*/
251ef1495Sfgsch /*	$NetBSD: ne2000reg.h,v 1.2 1997/10/14 22:54:11 thorpej Exp $	*/
351ef1495Sfgsch 
451ef1495Sfgsch /*
551ef1495Sfgsch  * National Semiconductor DS8390 NIC register definitions.
651ef1495Sfgsch  *
751ef1495Sfgsch  * Copyright (C) 1993, David Greenman.  This software may be used, modified,
851ef1495Sfgsch  * copied, distributed, and sold, in both source and binary form provided that
951ef1495Sfgsch  * the above copyright and these terms are retained.  Under no circumstances is
1051ef1495Sfgsch  * the author responsible for the proper functioning of this software, nor does
1151ef1495Sfgsch  * the author assume any responsibility for damages incurred with its use.
1251ef1495Sfgsch  */
1351ef1495Sfgsch 
1451ef1495Sfgsch #ifndef _DEV_IC_NE2000REG_H_
1551ef1495Sfgsch #define	_DEV_IC_NE2000REG_H_
1651ef1495Sfgsch 
1751ef1495Sfgsch /*
1851ef1495Sfgsch  * Register group offsets from base.
1951ef1495Sfgsch  */
2051ef1495Sfgsch #define	NE2000_NIC_OFFSET	0x00
2151ef1495Sfgsch #define	NE2000_ASIC_OFFSET	0x10
2251ef1495Sfgsch 
2351ef1495Sfgsch #define	NE2000_NIC_NPORTS	0x10
2451ef1495Sfgsch #define	NE2000_ASIC_NPORTS	0x10
2551ef1495Sfgsch #define	NE2000_NPORTS		0x20
2651ef1495Sfgsch 
2751ef1495Sfgsch /*
2851ef1495Sfgsch  * NE2000 ASIC registers (given as offsets from ASIC base).
2951ef1495Sfgsch  */
3051ef1495Sfgsch #define	NE2000_ASIC_DATA	0x00	/* remote DMA/data register */
3151ef1495Sfgsch #define	NE2000_ASIC_RESET	0x0f	/* reset on read */
3251ef1495Sfgsch 
3351ef1495Sfgsch #endif /* _DEV_IC_NE2000REG_H_ */
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