|  | /* | 
|  | * 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 */ |