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/init.h>
15 #include <linux/kernel.h>
16 #include <linux/types.h>
17 #include <linux/string.h>
19 #include <asm/sgialib.h>
20 #include <asm/bootinfo.h>
28 static struct smatch mach_table[] = {
30 .arcname = "SGI-IP22",
32 .flags = PROM_FLAG_ARCS,
34 .arcname = "SGI-IP27",
35 .liname = "SGI Origin",
36 .flags = PROM_FLAG_ARCS,
38 .arcname = "SGI-IP28",
40 .flags = PROM_FLAG_ARCS,
42 .arcname = "SGI-IP30",
43 .liname = "SGI Octane",
44 .flags = PROM_FLAG_ARCS,
46 .arcname = "SGI-IP32",
48 .flags = PROM_FLAG_ARCS,
50 .arcname = "Microsoft-Jazz",
51 .liname = "Jazz MIPS_Magnum_4000",
55 .liname = "Jazz Acer_PICA_61",
58 .arcname = "RM200PCI",
59 .liname = "SNI RM200_PCI",
60 .flags = PROM_FLAG_DONT_FREE_TEMP,
62 .arcname = "RM200PCI-R5K",
63 .liname = "SNI RM200_PCI-R5K",
64 .flags = PROM_FLAG_DONT_FREE_TEMP,
70 static struct smatch * __init string_to_mach(const char *s)
74 for (i = 0; i < ARRAY_SIZE(mach_table); i++) {
75 if (!strcmp(s, mach_table[i].arcname))
76 return &mach_table[i];
79 panic("Yeee, could not determine architecture type <%s>", s);
84 const char *get_system_type(void)
89 void __init prom_identify_arch(void)
96 * The root component tells us what machine architecture we have here.
98 p = ArcGetChild(PROM_NULL_COMPONENT);
100 #ifdef CONFIG_SGI_IP27
101 /* IP27 PROM misbehaves, seems to not implement ARC
102 GetChild(). So we just assume it's an IP27. */
108 iname = (char *) (long) p->iname;
110 printk("ARCH: %s\n", iname);
111 mach = string_to_mach(iname);
112 system_type = mach->liname;
114 prom_flags = mach->flags;