arch/sparc/include/asm/machines.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * machines.h:  Defines for taking apart the machine type value in the
   4  *              idprom and determining the kind of machine we are on.
   5  *
   6  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
   7  */
   8 #ifndef _SPARC_MACHINES_H
   9 #define _SPARC_MACHINES_H
  10
  11 struct Sun_Machine_Models {
  12         char *name;
  13         unsigned char id_machtype;
  14 };
  15
  16 /* The machine type in the idprom area looks like this:
  17  *
  18  * ---------------
  19  * | ARCH | MACH |
  20  * ---------------
  21  *  7    4 3    0
  22  *
  23  * The ARCH field determines the architecture line (sun4m, etc).
  24  * The MACH field determines the machine make within that architecture.
  25  */
  26
  27 #define SM_ARCH_MASK  0xf0
  28 #define  M_LEON       0x30
  29 #define SM_SUN4M      0x70
  30 #define SM_SUN4M_OBP  0x80
  31
  32 #define SM_TYP_MASK   0x0f
  33
  34 /* Leon machines */
  35 #define M_LEON3_SOC   0x02    /* Leon3 SoC */
  36
  37 /* Sun4m machines, these predate the OpenBoot.  These values only mean
  38  * something if the value in the ARCH field is SM_SUN4M, if it is
  39  * SM_SUN4M_OBP then you have the following situation:
  40  * 1) You either have a sun4d, a sun4e, or a recently made sun4m.
  41  * 2) You have to consult OpenBoot to determine which machine this is.
  42  */
  43 #define SM_4M_SS60    0x01    /* Sun4m SparcSystem 600                  */
  44 #define SM_4M_SS50    0x02    /* Sun4m SparcStation 10                  */
  45 #define SM_4M_SS40    0x03    /* Sun4m SparcStation 5                   */
  46
  47 /* Sun4d machines -- N/A */
  48 /* Sun4e machines -- N/A */
  49 /* Sun4u machines -- N/A */
  50
  51 #endif /* !(_SPARC_MACHINES_H) */