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/*

 * 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,

        ip32,

};

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 */