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1/*
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
4 * for more details.
5 *
6 * identify.c: identify machine by looking up system identifier
7 *
8 * Copyright (C) 1998 Thomas Bogendoerfer
9 *
10 * This code is based on arch/mips/sgi/kernel/system.c, which is
11 *
12 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
13 */
14#include <linux/bug.h>
15#include <linux/init.h>
16#include <linux/kernel.h>
17#include <linux/types.h>
18#include <linux/string.h>
19
20#include <asm/sgialib.h>
21#include <asm/bootinfo.h>
22
23struct smatch {
24 char *arcname;
25 char *liname;
26 int flags;
27};
28
29static struct smatch mach_table[] = {
30 {
31 .arcname = "SGI-IP22",
32 .liname = "SGI Indy",
33 .flags = PROM_FLAG_ARCS,
34 }, {
35 .arcname = "SGI-IP28",
36 .liname = "SGI IP28",
37 .flags = PROM_FLAG_ARCS,
38 }, {
39 .arcname = "SGI-IP30",
40 .liname = "SGI Octane",
41 .flags = PROM_FLAG_ARCS,
42 }, {
43 .arcname = "SGI-IP32",
44 .liname = "SGI O2",
45 .flags = PROM_FLAG_ARCS,
46 }, {
47 .arcname = "Microsoft-Jazz",
48 .liname = "Jazz MIPS_Magnum_4000",
49 .flags = 0,
50 }, {
51 .arcname = "PICA-61",
52 .liname = "Jazz Acer_PICA_61",
53 .flags = 0,
54 }, {
55 .arcname = "RM200PCI",
56 .liname = "SNI RM200_PCI",
57 .flags = PROM_FLAG_DONT_FREE_TEMP,
58 }, {
59 .arcname = "RM200PCI-R5K",
60 .liname = "SNI RM200_PCI-R5K",
61 .flags = PROM_FLAG_DONT_FREE_TEMP,
62 }
63};
64
65int prom_flags;
66
67static struct smatch * __init string_to_mach(const char *s)
68{
69 int i;
70
71 for (i = 0; i < ARRAY_SIZE(mach_table); i++) {
72 if (!strcmp(s, mach_table[i].arcname))
73 return &mach_table[i];
74 }
75
76 panic("Yeee, could not determine architecture type <%s>", s);
77}
78
79char *system_type;
80
81const char *get_system_type(void)
82{
83 return system_type;
84}
85
86static pcomponent * __init ArcGetChild(pcomponent *Current)
87{
88 return (pcomponent *) ARC_CALL1(child_component, Current);
89}
90
91void __init prom_identify_arch(void)
92{
93 pcomponent *p;
94 struct smatch *mach;
95 const char *iname;
96
97 /*
98 * The root component tells us what machine architecture we have here.
99 */
100 p = ArcGetChild(PROM_NULL_COMPONENT);
101 if (p == NULL) {
102 iname = "Unknown";
103 } else
104 iname = (char *) (long) p->iname;
105
106 printk("ARCH: %s\n", iname);
107 mach = string_to_mach(iname);
108 system_type = mach->liname;
109
110 prom_flags = mach->flags;
111}
1/*
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
4 * for more details.
5 *
6 * identify.c: identify machine by looking up system identifier
7 *
8 * Copyright (C) 1998 Thomas Bogendoerfer
9 *
10 * This code is based on arch/mips/sgi/kernel/system.c, which is
11 *
12 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
13 */
14#include <linux/init.h>
15#include <linux/kernel.h>
16#include <linux/types.h>
17#include <linux/string.h>
18
19#include <asm/sgialib.h>
20#include <asm/bootinfo.h>
21
22struct smatch {
23 char *arcname;
24 char *liname;
25 int flags;
26};
27
28static struct smatch mach_table[] = {
29 {
30 .arcname = "SGI-IP22",
31 .liname = "SGI Indy",
32 .flags = PROM_FLAG_ARCS,
33 }, {
34 .arcname = "SGI-IP27",
35 .liname = "SGI Origin",
36 .flags = PROM_FLAG_ARCS,
37 }, {
38 .arcname = "SGI-IP28",
39 .liname = "SGI IP28",
40 .flags = PROM_FLAG_ARCS,
41 }, {
42 .arcname = "SGI-IP30",
43 .liname = "SGI Octane",
44 .flags = PROM_FLAG_ARCS,
45 }, {
46 .arcname = "SGI-IP32",
47 .liname = "SGI O2",
48 .flags = PROM_FLAG_ARCS,
49 }, {
50 .arcname = "Microsoft-Jazz",
51 .liname = "Jazz MIPS_Magnum_4000",
52 .flags = 0,
53 }, {
54 .arcname = "PICA-61",
55 .liname = "Jazz Acer_PICA_61",
56 .flags = 0,
57 }, {
58 .arcname = "RM200PCI",
59 .liname = "SNI RM200_PCI",
60 .flags = PROM_FLAG_DONT_FREE_TEMP,
61 }, {
62 .arcname = "RM200PCI-R5K",
63 .liname = "SNI RM200_PCI-R5K",
64 .flags = PROM_FLAG_DONT_FREE_TEMP,
65 }
66};
67
68int prom_flags;
69
70static struct smatch * __init string_to_mach(const char *s)
71{
72 int i;
73
74 for (i = 0; i < ARRAY_SIZE(mach_table); i++) {
75 if (!strcmp(s, mach_table[i].arcname))
76 return &mach_table[i];
77 }
78
79 panic("Yeee, could not determine architecture type <%s>", s);
80}
81
82char *system_type;
83
84const char *get_system_type(void)
85{
86 return system_type;
87}
88
89void __init prom_identify_arch(void)
90{
91 pcomponent *p;
92 struct smatch *mach;
93 const char *iname;
94
95 /*
96 * The root component tells us what machine architecture we have here.
97 */
98 p = ArcGetChild(PROM_NULL_COMPONENT);
99 if (p == NULL) {
100#ifdef CONFIG_SGI_IP27
101 /* IP27 PROM misbehaves, seems to not implement ARC
102 GetChild(). So we just assume it's an IP27. */
103 iname = "SGI-IP27";
104#else
105 iname = "Unknown";
106#endif
107 } else
108 iname = (char *) (long) p->iname;
109
110 printk("ARCH: %s\n", iname);
111 mach = string_to_mach(iname);
112 system_type = mach->liname;
113
114 prom_flags = mach->flags;
115}