xref: /openbmc/linux/arch/sparc/include/asm/machines.h (revision a2cce7a9)
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) */
51