Current File : //usr/src/linux-headers-5.15.0-43/arch/sparc/include/asm/machines.h
/* 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) */
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