machines.h 1.5 KB

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