xref: /linux/arch/sparc/include/asm/machines.h (revision ee906c9e0bc9d3cc7fdfe82fb30f3c3c1318c3ef)
1a439fe51SSam Ravnborg /*
2a439fe51SSam Ravnborg  * machines.h:  Defines for taking apart the machine type value in the
3a439fe51SSam Ravnborg  *              idprom and determining the kind of machine we are on.
4a439fe51SSam Ravnborg  *
5a439fe51SSam Ravnborg  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
6a439fe51SSam Ravnborg  */
7a439fe51SSam Ravnborg #ifndef _SPARC_MACHINES_H
8a439fe51SSam Ravnborg #define _SPARC_MACHINES_H
9a439fe51SSam Ravnborg 
10a439fe51SSam Ravnborg struct Sun_Machine_Models {
11a439fe51SSam Ravnborg 	char *name;
12a439fe51SSam Ravnborg 	unsigned char id_machtype;
13a439fe51SSam Ravnborg };
14a439fe51SSam Ravnborg 
15a439fe51SSam Ravnborg /* The machine type in the idprom area looks like this:
16a439fe51SSam Ravnborg  *
17a439fe51SSam Ravnborg  * ---------------
18a439fe51SSam Ravnborg  * | ARCH | MACH |
19a439fe51SSam Ravnborg  * ---------------
20a439fe51SSam Ravnborg  *  7    4 3    0
21a439fe51SSam Ravnborg  *
22*ee906c9eSDavid S. Miller  * The ARCH field determines the architecture line (sun4m, etc).
23a439fe51SSam Ravnborg  * The MACH field determines the machine make within that architecture.
24a439fe51SSam Ravnborg  */
25a439fe51SSam Ravnborg 
26a439fe51SSam Ravnborg #define SM_ARCH_MASK  0xf0
270fd7ef1fSKonrad Eisele #define  M_LEON       0x30
28a439fe51SSam Ravnborg #define SM_SUN4M      0x70
29a439fe51SSam Ravnborg #define SM_SUN4M_OBP  0x80
30a439fe51SSam Ravnborg 
31a439fe51SSam Ravnborg #define SM_TYP_MASK   0x0f
32a439fe51SSam Ravnborg 
330fd7ef1fSKonrad Eisele /* Leon machines */
340fd7ef1fSKonrad Eisele #define M_LEON3_SOC   0x02    /* Leon3 SoC */
350fd7ef1fSKonrad Eisele 
36a439fe51SSam Ravnborg /* Sun4m machines, these predate the OpenBoot.  These values only mean
37a439fe51SSam Ravnborg  * something if the value in the ARCH field is SM_SUN4M, if it is
38a439fe51SSam Ravnborg  * SM_SUN4M_OBP then you have the following situation:
39a439fe51SSam Ravnborg  * 1) You either have a sun4d, a sun4e, or a recently made sun4m.
40a439fe51SSam Ravnborg  * 2) You have to consult OpenBoot to determine which machine this is.
41a439fe51SSam Ravnborg  */
42a439fe51SSam Ravnborg #define SM_4M_SS60    0x01    /* Sun4m SparcSystem 600                  */
43a439fe51SSam Ravnborg #define SM_4M_SS50    0x02    /* Sun4m SparcStation 10                  */
44a439fe51SSam Ravnborg #define SM_4M_SS40    0x03    /* Sun4m SparcStation 5                   */
45a439fe51SSam Ravnborg 
46a439fe51SSam Ravnborg /* Sun4d machines -- N/A */
47a439fe51SSam Ravnborg /* Sun4e machines -- N/A */
48a439fe51SSam Ravnborg /* Sun4u machines -- N/A */
49a439fe51SSam Ravnborg 
50a439fe51SSam Ravnborg #endif /* !(_SPARC_MACHINES_H) */
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