47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/*
|
|
* 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 */
|