arch/sparc/include/asm/machines.h

   1 /*
   2  * machines.h:  Defines for taking apart the machine type value in the
   3  *              idprom and determining the kind of machine we are on.
   4  *
   5  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
   6  */
   7 #ifndef _SPARC_MACHINES_H
   8 #define _SPARC_MACHINES_H
   9
  10 struct Sun_Machine_Models {
  11         char *name;
  12         unsigned char id_machtype;
  13 };
  14
  15 /* The machine type in the idprom area looks like this:
  16  *
  17  * ---------------
  18  * | ARCH | MACH |
  19  * ---------------
  20  *  7    4 3    0
  21  *
  22  * The ARCH field determines the architecture line (sun4m, etc).
  23  * The MACH field determines the machine make within that architecture.
  24  */
  25
  26 #define SM_ARCH_MASK  0xf0
  27 #define  M_LEON       0x30
  28 #define SM_SUN4M      0x70
  29 #define SM_SUN4M_OBP  0x80
  30
  31 #define SM_TYP_MASK   0x0f
  32
  33 /* Leon machines */
  34 #define M_LEON3_SOC   0x02    /* Leon3 SoC */
  35
  36 /* Sun4m machines, these predate the OpenBoot.  These values only mean
  37  * something if the value in the ARCH field is SM_SUN4M, if it is
  38  * SM_SUN4M_OBP then you have the following situation:
  39  * 1) You either have a sun4d, a sun4e, or a recently made sun4m.
  40  * 2) You have to consult OpenBoot to determine which machine this is.
  41  */
  42 #define SM_4M_SS60    0x01    /* Sun4m SparcSystem 600                  */
  43 #define SM_4M_SS50    0x02    /* Sun4m SparcStation 10                  */
  44 #define SM_4M_SS40    0x03    /* Sun4m SparcStation 5                   */
  45
  46 /* Sun4d machines -- N/A */
  47 /* Sun4e machines -- N/A */
  48 /* Sun4u machines -- N/A */
  49
  50 #endif /* !(_SPARC_MACHINES_H) */