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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* identify.c: identify machine by looking up system identifier
*
* Copyright (C) 1998 Thomas Bogendoerfer
*
* This code is based on arch/mips/sgi/kernel/system.c, which is
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
*/
#include <linux/init.h>
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/string.h>
#include <asm/sgialib.h>
#include <asm/bootinfo.h>
struct smatch {
char *name;
int group;
int type;
int flags;
};
static struct smatch mach_table[] = {
{ "SGI-IP22", MACH_GROUP_SGI, MACH_SGI_INDY, PROM_FLAG_ARCS },
{ "SGI-IP27", MACH_GROUP_SGI, MACH_SGI_IP27, PROM_FLAG_ARCS },
{ "Microsoft-Jazz", MACH_GROUP_JAZZ, MACH_MIPS_MAGNUM_4000, 0 },
{ "PICA-61", MACH_GROUP_JAZZ, MACH_ACER_PICA_61, 0 },
{ "RM200PCI", MACH_GROUP_SNI_RM, MACH_SNI_RM200_PCI, 0 }
};
int prom_flags;
static struct smatch * __init
string_to_mach(const char *s)
{
int i;
for (i = 0; i < (sizeof (mach_table) / sizeof (mach_table[0])); i++) {
if(!strcmp(s, mach_table[i].name))
return &mach_table[i];
}
panic("\nYeee, could not determine architecture type <%s>", s);
return NULL;
}
void __init
prom_identify_arch(void)
{
pcomponent *p;
struct smatch *mach;
const char *iname;
/* The root component tells us what machine architecture we
have here. */
p = ArcGetChild(PROM_NULL_COMPONENT);
if (p == NULL) {
#ifdef CONFIG_SGI_IP27
/* IP27 PROM bisbehaves, seems to not implement ARC
GetChild(). So we just assume it's an IP27. */
iname = "SGI-IP27";
#endif
} else
iname = (char *) (long) p->iname;
printk("ARCH: %s\n", iname);
mach = string_to_mach(iname);
mips_machgroup = mach->group;
mips_machtype = mach->type;
prom_flags = mach->flags;
}
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