diff options
Diffstat (limited to 'arch/sparc/include/asm/machines.h')
| -rw-r--r-- | arch/sparc/include/asm/machines.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/machines.h b/arch/sparc/include/asm/machines.h new file mode 100644 index 0000000000..9f78f70c6f --- /dev/null +++ b/arch/sparc/include/asm/machines.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * machines.h: Defines for taking apart the machine type value in the + * idprom and determining the kind of machine we are on. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + */ +#ifndef _SPARC_MACHINES_H +#define _SPARC_MACHINES_H + +struct Sun_Machine_Models { + char *name; + unsigned char id_machtype; +}; + +/* The machine type in the idprom area looks like this: + * + * --------------- + * | ARCH | MACH | + * --------------- + * 7 4 3 0 + * + * The ARCH field determines the architecture line (sun4m, etc). + * The MACH field determines the machine make within that architecture. + */ + +#define SM_ARCH_MASK 0xf0 +#define M_LEON 0x30 +#define SM_SUN4M 0x70 +#define SM_SUN4M_OBP 0x80 + +#define SM_TYP_MASK 0x0f + +/* Leon machines */ +#define M_LEON3_SOC 0x02 /* Leon3 SoC */ + +/* Sun4m machines, these predate the OpenBoot. These values only mean + * something if the value in the ARCH field is SM_SUN4M, if it is + * SM_SUN4M_OBP then you have the following situation: + * 1) You either have a sun4d, a sun4e, or a recently made sun4m. + * 2) You have to consult OpenBoot to determine which machine this is. + */ +#define SM_4M_SS60 0x01 /* Sun4m SparcSystem 600 */ +#define SM_4M_SS50 0x02 /* Sun4m SparcStation 10 */ +#define SM_4M_SS40 0x03 /* Sun4m SparcStation 5 */ + +/* Sun4d machines -- N/A */ +/* Sun4e machines -- N/A */ +/* Sun4u machines -- N/A */ + +#endif /* !(_SPARC_MACHINES_H) */ |