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487d70d0 GJ |
1 | /* |
2 | * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License version 2 as published | |
6 | * by the Free Software Foundation. | |
7 | * | |
8 | */ | |
9 | #include <linux/mm.h> | |
10 | #include <linux/string.h> | |
11 | #include <linux/slab.h> | |
12 | ||
13 | #include <asm/mips_machine.h> | |
14 | ||
15 | static struct mips_machine *mips_machine __initdata; | |
16 | static char *mips_machine_name = "Unknown"; | |
17 | ||
18 | #define for_each_machine(mach) \ | |
19 | for ((mach) = (struct mips_machine *)&__mips_machines_start; \ | |
20 | (mach) && \ | |
21 | (unsigned long)(mach) < (unsigned long)&__mips_machines_end; \ | |
22 | (mach)++) | |
23 | ||
24 | __init void mips_set_machine_name(const char *name) | |
25 | { | |
26 | char *p; | |
27 | ||
28 | if (name == NULL) | |
29 | return; | |
30 | ||
31 | p = kstrdup(name, GFP_KERNEL); | |
32 | if (!p) | |
33 | pr_err("MIPS: no memory for machine_name\n"); | |
34 | ||
35 | mips_machine_name = p; | |
36 | } | |
37 | ||
38 | char *mips_get_machine_name(void) | |
39 | { | |
40 | return mips_machine_name; | |
41 | } | |
42 | ||
43 | __init int mips_machtype_setup(char *id) | |
44 | { | |
45 | struct mips_machine *mach; | |
46 | ||
47 | for_each_machine(mach) { | |
48 | if (mach->mach_id == NULL) | |
49 | continue; | |
50 | ||
51 | if (strcmp(mach->mach_id, id) == 0) { | |
52 | mips_machtype = mach->mach_type; | |
53 | return 0; | |
54 | } | |
55 | } | |
56 | ||
57 | pr_err("MIPS: no machine found for id '%s', supported machines:\n", id); | |
58 | pr_err("%-24s %s\n", "id", "name"); | |
59 | for_each_machine(mach) | |
60 | pr_err("%-24s %s\n", mach->mach_id, mach->mach_name); | |
61 | ||
62 | return 1; | |
63 | } | |
64 | ||
65 | __setup("machtype=", mips_machtype_setup); | |
66 | ||
67 | __init void mips_machine_setup(void) | |
68 | { | |
69 | struct mips_machine *mach; | |
70 | ||
71 | for_each_machine(mach) { | |
72 | if (mips_machtype == mach->mach_type) { | |
73 | mips_machine = mach; | |
74 | break; | |
75 | } | |
76 | } | |
77 | ||
78 | if (!mips_machine) | |
79 | return; | |
80 | ||
81 | mips_set_machine_name(mips_machine->mach_name); | |
82 | pr_info("MIPS: machine is %s\n", mips_machine_name); | |
83 | ||
84 | if (mips_machine->mach_setup) | |
85 | mips_machine->mach_setup(); | |
86 | } |