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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, /* 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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