diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/mips/arc/identify.c |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'arch/mips/arc/identify.c')
-rw-r--r-- | arch/mips/arc/identify.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/arch/mips/arc/identify.c b/arch/mips/arc/identify.c new file mode 100644 index 000000000000..0dd7a345eb79 --- /dev/null +++ b/arch/mips/arc/identify.c | |||
@@ -0,0 +1,119 @@ | |||
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 (dm@engr.sgi.com) | ||
13 | */ | ||
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> | ||
19 | |||
20 | #include <asm/sgialib.h> | ||
21 | #include <asm/bootinfo.h> | ||
22 | |||
23 | struct smatch { | ||
24 | char *arcname; | ||
25 | char *liname; | ||
26 | int group; | ||
27 | int type; | ||
28 | int flags; | ||
29 | }; | ||
30 | |||
31 | static struct smatch mach_table[] = { | ||
32 | { "SGI-IP22", | ||
33 | "SGI Indy", | ||
34 | MACH_GROUP_SGI, | ||
35 | MACH_SGI_IP22, | ||
36 | PROM_FLAG_ARCS | ||
37 | }, { "SGI-IP27", | ||
38 | "SGI Origin", | ||
39 | MACH_GROUP_SGI, | ||
40 | MACH_SGI_IP27, | ||
41 | PROM_FLAG_ARCS | ||
42 | }, { "SGI-IP28", | ||
43 | "SGI IP28", | ||
44 | MACH_GROUP_SGI, | ||
45 | MACH_SGI_IP28, | ||
46 | PROM_FLAG_ARCS | ||
47 | }, { "SGI-IP32", | ||
48 | "SGI O2", | ||
49 | MACH_GROUP_SGI, | ||
50 | MACH_SGI_IP32, | ||
51 | PROM_FLAG_ARCS | ||
52 | }, { "Microsoft-Jazz", | ||
53 | "Jazz MIPS_Magnum_4000", | ||
54 | MACH_GROUP_JAZZ, | ||
55 | MACH_MIPS_MAGNUM_4000, | ||
56 | 0 | ||
57 | }, { "PICA-61", | ||
58 | "Jazz Acer_PICA_61", | ||
59 | MACH_GROUP_JAZZ, | ||
60 | MACH_ACER_PICA_61, | ||
61 | 0 | ||
62 | }, { "RM200PCI", | ||
63 | "SNI RM200_PCI", | ||
64 | MACH_GROUP_SNI_RM, | ||
65 | MACH_SNI_RM200_PCI, | ||
66 | PROM_FLAG_DONT_FREE_TEMP | ||
67 | } | ||
68 | }; | ||
69 | |||
70 | int prom_flags; | ||
71 | |||
72 | static struct smatch * __init string_to_mach(const char *s) | ||
73 | { | ||
74 | int i; | ||
75 | |||
76 | for (i = 0; i < (sizeof(mach_table) / sizeof (mach_table[0])); i++) { | ||
77 | if (!strcmp(s, mach_table[i].arcname)) | ||
78 | return &mach_table[i]; | ||
79 | } | ||
80 | |||
81 | panic("Yeee, could not determine architecture type <%s>", s); | ||
82 | } | ||
83 | |||
84 | char *system_type; | ||
85 | |||
86 | const char *get_system_type(void) | ||
87 | { | ||
88 | return system_type; | ||
89 | } | ||
90 | |||
91 | void __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 | #ifdef CONFIG_SGI_IP27 | ||
103 | /* IP27 PROM misbehaves, seems to not implement ARC | ||
104 | GetChild(). So we just assume it's an IP27. */ | ||
105 | iname = "SGI-IP27"; | ||
106 | #else | ||
107 | iname = "Unknown"; | ||
108 | #endif | ||
109 | } else | ||
110 | iname = (char *) (long) p->iname; | ||
111 | |||
112 | printk("ARCH: %s\n", iname); | ||
113 | mach = string_to_mach(iname); | ||
114 | system_type = mach->liname; | ||
115 | |||
116 | mips_machgroup = mach->group; | ||
117 | mips_machtype = mach->type; | ||
118 | prom_flags = mach->flags; | ||
119 | } | ||