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>
29 static struct smatch mach_table[] = {
31 .arcname = "SGI-IP22",
33 .type = MACH_SGI_IP22,
34 .flags = PROM_FLAG_ARCS,
36 .arcname = "SGI-IP27",
37 .liname = "SGI Origin",
38 .type = MACH_SGI_IP27,
39 .flags = PROM_FLAG_ARCS,
41 .arcname = "SGI-IP28",
43 .type = MACH_SGI_IP28,
44 .flags = PROM_FLAG_ARCS,
46 .arcname = "SGI-IP30",
47 .liname = "SGI Octane",
48 .type = MACH_SGI_IP30,
49 .flags = PROM_FLAG_ARCS,
51 .arcname = "SGI-IP32",
53 .type = MACH_SGI_IP32,
54 .flags = PROM_FLAG_ARCS,
56 .arcname = "Microsoft-Jazz",
57 .liname = "Jazz MIPS_Magnum_4000",
58 .type = MACH_MIPS_MAGNUM_4000,
62 .liname = "Jazz Acer_PICA_61",
63 .type = MACH_ACER_PICA_61,
66 .arcname = "RM200PCI",
67 .liname = "SNI RM200_PCI",
68 .type = MACH_SNI_RM200_PCI,
69 .flags = PROM_FLAG_DONT_FREE_TEMP,
75 static struct smatch * __init string_to_mach(const char *s)
79 for (i = 0; i < ARRAY_SIZE(mach_table); i++) {
80 if (!strcmp(s, mach_table[i].arcname))
81 return &mach_table[i];
84 panic("Yeee, could not determine architecture type <%s>", s);
89 const char *get_system_type(void)
94 void __init prom_identify_arch(void)
101 * The root component tells us what machine architecture we have here.
103 p = ArcGetChild(PROM_NULL_COMPONENT);
105 #ifdef CONFIG_SGI_IP27
106 /* IP27 PROM misbehaves, seems to not implement ARC
107 GetChild(). So we just assume it's an IP27. */
113 iname = (char *) (long) p->iname;
115 printk("ARCH: %s\n", iname);
116 mach = string_to_mach(iname);
117 system_type = mach->liname;
119 mips_machtype = mach->type;
120 prom_flags = mach->flags;