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nbicreg.h
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C/C++ Source or Header
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1992-11-10
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768b
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35 lines
/*
* File: architecture/nbicreg.h
* Author: Avadis Tevanian, Jr.
*
* Copyright (C) 1989 NeXT, Inc.
*/
#ifndef _M68K_DEV_NBICREG_
#define _M68K_DEV_NBICREG_
/*
* Define addresses of NBIC registers.
*/
#define NBIC_CR 0x02020000 /* Control Register */
#define NBIC_IDR 0x02020004 /* ID register */
#define NBIC_IDR_BUS 0xf0fffff0 /* ID register from NeXTbus side */
/*
* Control register definitions
*/
#define NBIC_CR_IGNSID0 0x10000000 /* ignore slot ID 0 */
#define NBIC_CR_STFWD 0x08000000 /* store forward */
#define NBIC_CR_RMCOL 0x04000000 /* read-modify collision */
/*
* ID register definitions
*/
#define NBIC_IDR_VALID 0x80000000 /* valid */
#define NBIC_IDR_IDMASK 0x7fff0000 /* Manufacturer ID mask */
#endif _M68K_DEV_NBICREG_