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 11 struct 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