include/asm-mips/sgi.h

   1 /* $Id: sgi.h,v 1.1.1.1 1997/06/01 03:17:12 ralf Exp $
   2  * sgi.h: Definitions specific to SGI machines.
   3  *
   4  * Copyright (C) 1996 David S. Miller (dm@sgi.com)
   5  */
   6 #ifndef _MIPS_SGI_H
   7 #define _MIPS_SGI_H
   8
   9 /* UP=UniProcessor MP=MultiProcessor(capable) */
  10 enum sgi_mach {
  11         ip4,     /* R2k UP */
  12         ip5,     /* R2k MP */
  13         ip6,     /* R3k UP */
  14         ip7,     /* R3k MP */
  15         ip9,     /* R3k UP */
  16         ip12,    /* R3kA UP, Indigo */
  17         ip15,    /* R3kA MP */
  18         ip17,    /* R4K UP */
  19         ip19,    /* R4K MP */
  20         ip20,    /* R4K UP, Indigo */
  21         ip21,    /* TFP MP */
  22         ip22,    /* R4x00 UP, Indigo2 */
  23         ip25,    /* R10k MP */
  24         ip26,    /* TFP UP, Indigo2 */
  25         ip28,    /* R10k UP, Indigo2 */
  26         ip30,
  27         ip32,
  28 };
  29
  30 extern enum sgi_mach sgimach;
  31 extern void sgi_sysinit(void);
  32
  33 /* Many I/O space registers are byte sized and are contained within
  34  * one byte per word, specifically the MSB, this macro helps out.
  35  */
  36 #ifdef __MIPSEL__
  37 #define SGI_MSB(regaddr)   (regaddr)
  38 #else
  39 #define SGI_MSB(regaddr)   ((regaddr) | 0x3)
  40 #endif
  41
  42 #endif /* !(_MIPS_SGI_H) */