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
10struct 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) */
51