2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * identify.c: identify machine by looking up system identifier
8 * Copyright (C) 1998 Thomas Bogendoerfer
10 * This code is based on arch/mips/sgi/kernel/system.c, which is
12 * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
14 #include <linux/config.h>
15 #include <linux/init.h>
16 #include <linux/kernel.h>
17 #include <linux/types.h>
18 #include <linux/string.h>
20 #include <asm/sgialib.h>
21 #include <asm/bootinfo.h>
31 static struct smatch mach_table[] = {
57 }, { "Microsoft-Jazz",
58 "Jazz MIPS_Magnum_4000",
60 MACH_MIPS_MAGNUM_4000,
71 PROM_FLAG_DONT_FREE_TEMP
77 static struct smatch * __init string_to_mach(const char *s)
81 for (i = 0; i < (sizeof(mach_table) / sizeof (mach_table[0])); i++) {
82 if (!strcmp(s, mach_table[i].arcname))
83 return &mach_table[i];
86 panic("Yeee, could not determine architecture type <%s>", s);
91 const char *get_system_type(void)
96 void __init prom_identify_arch(void)
103 * The root component tells us what machine architecture we have here.
105 p = ArcGetChild(PROM_NULL_COMPONENT);
107 #ifdef CONFIG_SGI_IP27
108 /* IP27 PROM misbehaves, seems to not implement ARC
109 GetChild(). So we just assume it's an IP27. */
115 iname = (char *) (long) p->iname;
117 printk("ARCH: %s\n", iname);
118 mach = string_to_mach(iname);
119 system_type = mach->liname;
121 mips_machgroup = mach->group;
122 mips_machtype = mach->type;
123 prom_flags = mach->flags;