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sgi.h

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * sgi.h: Definitions specific to SGI machines.
 *
 * Copyright (C) 1996 David S. Miller (dm@sgi.com)
 */
#ifndef _ASM_SGI_SGI_H
#define _ASM_SGI_SGI_H

/* UP=UniProcessor MP=MultiProcessor(capable) */
enum sgi_mach {
      ip4,  /* R2k UP */
      ip5,  /* R2k MP */
      ip6,  /* R3k UP */
      ip7,  /* R3k MP */
      ip9,  /* R3k UP */
      ip12, /* R3kA UP, Indigo */
      ip15, /* R3kA MP */
      ip17, /* R4K UP */
      ip19, /* R4K MP */
      ip20, /* R4K UP, Indigo */
      ip21, /* TFP MP */
      ip22, /* R4x00 UP, Indigo2 */
      ip25, /* R10k MP */
      ip26, /* TFP UP, Indigo2 */
      ip27, /* R10k MP, R12k MP, Origin */
      ip28, /* R10k UP, Indigo2 */
      ip30, /* Octane */
      ip32, /* O2 */
};

extern enum sgi_mach sgimach;
extern void sgi_sysinit(void);

/* Many I/O space registers are byte sized and are contained within
 * one byte per word, specifically the MSB, this macro helps out.
 */
#ifdef __MIPSEL__
#define SGI_MSB(regaddr)   (regaddr)
#else
#define SGI_MSB(regaddr)   ((regaddr) | 0x3)
#endif

#endif /* _ASM_SGI_SGI_H */

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