sched: make early bootup sched_clock() use safer
[wrt350n-kernel.git] / include / asm-sparc / machines.h
blobd831350f54280b4e965ee084b112155df56b4d0c
1 /* $Id: machines.h,v 1.4 1995/11/25 02:31:58 davem Exp $
2 * machines.h: Defines for taking apart the machine type value in the
3 * idprom and determining the kind of machine we are on.
5 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
6 */
7 #ifndef _SPARC_MACHINES_H
8 #define _SPARC_MACHINES_H
10 struct Sun_Machine_Models {
11 char *name;
12 unsigned char id_machtype;
15 /* Current number of machines we know about that has an IDPROM
16 * machtype entry including one entry for the 0x80 OBP machines.
18 #define NUM_SUN_MACHINES 15
20 extern struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES];
22 /* The machine type in the idprom area looks like this:
24 * ---------------
25 * | ARCH | MACH |
26 * ---------------
27 * 7 4 3 0
29 * The ARCH field determines the architecture line (sun4, sun4c, etc).
30 * The MACH field determines the machine make within that architecture.
33 #define SM_ARCH_MASK 0xf0
34 #define SM_SUN4 0x20
35 #define SM_SUN4C 0x50
36 #define SM_SUN4M 0x70
37 #define SM_SUN4M_OBP 0x80
39 #define SM_TYP_MASK 0x0f
40 /* Sun4 machines */
41 #define SM_4_260 0x01 /* Sun 4/200 series */
42 #define SM_4_110 0x02 /* Sun 4/100 series */
43 #define SM_4_330 0x03 /* Sun 4/300 series */
44 #define SM_4_470 0x04 /* Sun 4/400 series */
46 /* Sun4c machines Full Name - PROM NAME */
47 #define SM_4C_SS1 0x01 /* Sun4c SparcStation 1 - Sun 4/60 */
48 #define SM_4C_IPC 0x02 /* Sun4c SparcStation IPC - Sun 4/40 */
49 #define SM_4C_SS1PLUS 0x03 /* Sun4c SparcStation 1+ - Sun 4/65 */
50 #define SM_4C_SLC 0x04 /* Sun4c SparcStation SLC - Sun 4/20 */
51 #define SM_4C_SS2 0x05 /* Sun4c SparcStation 2 - Sun 4/75 */
52 #define SM_4C_ELC 0x06 /* Sun4c SparcStation ELC - Sun 4/25 */
53 #define SM_4C_IPX 0x07 /* Sun4c SparcStation IPX - Sun 4/50 */
55 /* Sun4m machines, these predate the OpenBoot. These values only mean
56 * something if the value in the ARCH field is SM_SUN4M, if it is
57 * SM_SUN4M_OBP then you have the following situation:
58 * 1) You either have a sun4d, a sun4e, or a recently made sun4m.
59 * 2) You have to consult OpenBoot to determine which machine this is.
61 #define SM_4M_SS60 0x01 /* Sun4m SparcSystem 600 */
62 #define SM_4M_SS50 0x02 /* Sun4m SparcStation 10 */
63 #define SM_4M_SS40 0x03 /* Sun4m SparcStation 5 */
65 /* Sun4d machines -- N/A */
66 /* Sun4e machines -- N/A */
67 /* Sun4u machines -- N/A */
69 #endif /* !(_SPARC_MACHINES_H) */