| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * sgi.h: Definitions specific to SGI machines. |
| 7 | * |
| 8 | * Copyright (C) 1996 David S. Miller (dm@sgi.com) |
| 9 | */ |
| 10 | #ifndef _ASM_SGI_SGI_H |
| 11 | #define _ASM_SGI_SGI_H |
| 12 | |
| 13 | /* UP=UniProcessor MP=MultiProcessor(capable) */ |
| 14 | enum sgi_mach { |
| 15 | ip4, /* R2k UP */ |
| 16 | ip5, /* R2k MP */ |
| 17 | ip6, /* R3k UP */ |
| 18 | ip7, /* R3k MP */ |
| 19 | ip9, /* R3k UP */ |
| 20 | ip12, /* R3kA UP, Indigo */ |
| 21 | ip15, /* R3kA MP */ |
| 22 | ip17, /* R4K UP */ |
| 23 | ip19, /* R4K MP */ |
| 24 | ip20, /* R4K UP, Indigo */ |
| 25 | ip21, /* TFP MP */ |
| 26 | ip22, /* R4x00 UP, Indigo2 */ |
| 27 | ip25, /* R10k MP */ |
| 28 | ip26, /* TFP UP, Indigo2 */ |
| 29 | ip27, /* R10k MP, R12k MP, Origin */ |
| 30 | ip28, /* R10k UP, Indigo2 */ |
| 31 | ip30, /* Octane */ |
| 32 | ip32, /* O2 */ |
| 33 | }; |
| 34 | |
| 35 | extern enum sgi_mach sgimach; |
| 36 | extern void sgi_sysinit(void); |
| 37 | |
| 38 | /* Many I/O space registers are byte sized and are contained within |
| 39 | * one byte per word, specifically the MSB, this macro helps out. |
| 40 | */ |
| 41 | #ifdef __MIPSEL__ |
| 42 | #define SGI_MSB(regaddr) (regaddr) |
| 43 | #else |
| 44 | #define SGI_MSB(regaddr) ((regaddr) | 0x3) |
| 45 | #endif |
| 46 | |
| 47 | #endif /* _ASM_SGI_SGI_H */ |