include/asm/machines.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * machines.h:  Defines for taking apart the machine type value in the
0004  *              idprom and determining the kind of machine we are on.
0005  *
0006  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
0007  */
0008 #ifndef _SPARC_MACHINES_H
0009 #define _SPARC_MACHINES_H
0010
0011 struct Sun_Machine_Models {
0012     char *name;
0013     unsigned char id_machtype;
0014 };
0015
0016 /* The machine type in the idprom area looks like this:
0017  *
0018  * ---------------
0019  * | ARCH | MACH |
0020  * ---------------
0021  *  7    4 3    0
0022  *
0023  * The ARCH field determines the architecture line (sun4m, etc).
0024  * The MACH field determines the machine make within that architecture.
0025  */
0026
0027 #define SM_ARCH_MASK  0xf0
0028 #define  M_LEON       0x30
0029 #define SM_SUN4M      0x70
0030 #define SM_SUN4M_OBP  0x80
0031
0032 #define SM_TYP_MASK   0x0f
0033
0034 /* Leon machines */
0035 #define M_LEON3_SOC   0x02    /* Leon3 SoC */
0036
0037 /* Sun4m machines, these predate the OpenBoot.  These values only mean
0038  * something if the value in the ARCH field is SM_SUN4M, if it is
0039  * SM_SUN4M_OBP then you have the following situation:
0040  * 1) You either have a sun4d, a sun4e, or a recently made sun4m.
0041  * 2) You have to consult OpenBoot to determine which machine this is.
0042  */
0043 #define SM_4M_SS60    0x01    /* Sun4m SparcSystem 600                  */
0044 #define SM_4M_SS50    0x02    /* Sun4m SparcStation 10                  */
0045 #define SM_4M_SS40    0x03    /* Sun4m SparcStation 5                   */
0046
0047 /* Sun4d machines -- N/A */
0048 /* Sun4e machines -- N/A */
0049 /* Sun4u machines -- N/A */
0050
0051 #endif /* !(_SPARC_MACHINES_H) */