LXR linux/arch/mips/include/asm/sgi/sgi.h

   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) */
  14enum 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
  35extern enum sgi_mach sgimach;
  36extern 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 */
  48