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
11struct 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) */
52