mirror of https://gitee.com/openkylin/linux.git
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/*
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* machines.h: Defines for taking apart the machine type value in the
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* idprom and determining the kind of machine we are on.
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*
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* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
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*/
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#ifndef _SPARC_MACHINES_H
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#define _SPARC_MACHINES_H
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struct Sun_Machine_Models {
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char *name;
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unsigned char id_machtype;
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};
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/* The machine type in the idprom area looks like this:
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*
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* ---------------
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* | ARCH | MACH |
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* ---------------
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* 7 4 3 0
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*
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* The ARCH field determines the architecture line (sun4m, etc).
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* The MACH field determines the machine make within that architecture.
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*/
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#define SM_ARCH_MASK 0xf0
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#define M_LEON 0x30
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#define SM_SUN4M 0x70
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#define SM_SUN4M_OBP 0x80
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#define SM_TYP_MASK 0x0f
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/* Leon machines */
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#define M_LEON3_SOC 0x02 /* Leon3 SoC */
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/* Sun4m machines, these predate the OpenBoot. These values only mean
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* something if the value in the ARCH field is SM_SUN4M, if it is
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* SM_SUN4M_OBP then you have the following situation:
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* 1) You either have a sun4d, a sun4e, or a recently made sun4m.
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* 2) You have to consult OpenBoot to determine which machine this is.
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*/
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#define SM_4M_SS60 0x01 /* Sun4m SparcSystem 600 */
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#define SM_4M_SS50 0x02 /* Sun4m SparcStation 10 */
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#define SM_4M_SS40 0x03 /* Sun4m SparcStation 5 */
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/* Sun4d machines -- N/A */
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/* Sun4e machines -- N/A */
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/* Sun4u machines -- N/A */
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#endif /* !(_SPARC_MACHINES_H) */
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