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48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* sgi.h: Definitions specific to SGI machines.
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*
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* Copyright (C) 1996 David S. Miller (dm@sgi.com)
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*/
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#ifndef _ASM_SGI_SGI_H
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#define _ASM_SGI_SGI_H
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/* UP=UniProcessor MP=MultiProcessor(capable) */
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enum sgi_mach {
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ip4, /* R2k UP */
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ip5, /* R2k MP */
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ip6, /* R3k UP */
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ip7, /* R3k MP */
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ip9, /* R3k UP */
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ip12, /* R3kA UP, Indigo */
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ip15, /* R3kA MP */
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ip17, /* R4K UP */
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ip19, /* R4K MP */
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ip20, /* R4K UP, Indigo */
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ip21, /* TFP MP */
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ip22, /* R4x00 UP, Indigo2 */
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ip25, /* R10k MP */
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ip26, /* TFP UP, Indigo2 */
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ip27, /* R10k MP, R12k MP, Origin */
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ip28, /* R10k UP, Indigo2 */
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ip30, /* Octane */
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ip32, /* O2 */
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};
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extern enum sgi_mach sgimach;
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extern void sgi_sysinit(void);
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/* Many I/O space registers are byte sized and are contained within
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* one byte per word, specifically the MSB, this macro helps out.
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*/
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#ifdef __MIPSEL__
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#define SGI_MSB(regaddr) (regaddr)
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#else
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#define SGI_MSB(regaddr) ((regaddr) | 0x3)
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#endif
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#endif /* _ASM_SGI_SGI_H */
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