treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
[linux-2.6-microblaze.git] / arch / mips / kernel / mips_machine.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
4  */
5 #include <linux/mm.h>
6 #include <linux/string.h>
7 #include <linux/slab.h>
8
9 #include <asm/mips_machine.h>
10 #include <asm/prom.h>
11
12 static struct mips_machine *mips_machine __initdata;
13
14 #define for_each_machine(mach) \
15         for ((mach) = (struct mips_machine *)&__mips_machines_start; \
16              (mach) && \
17              (unsigned long)(mach) < (unsigned long)&__mips_machines_end; \
18              (mach)++)
19
20 __init int mips_machtype_setup(char *id)
21 {
22         struct mips_machine *mach;
23
24         for_each_machine(mach) {
25                 if (mach->mach_id == NULL)
26                         continue;
27
28                 if (strcmp(mach->mach_id, id) == 0) {
29                         mips_machtype = mach->mach_type;
30                         return 0;
31                 }
32         }
33
34         pr_err("MIPS: no machine found for id '%s', supported machines:\n", id);
35         pr_err("%-24s %s\n", "id", "name");
36         for_each_machine(mach)
37                 pr_err("%-24s %s\n", mach->mach_id, mach->mach_name);
38
39         return 1;
40 }
41
42 __setup("machtype=", mips_machtype_setup);
43
44 __init void mips_machine_setup(void)
45 {
46         struct mips_machine *mach;
47
48         for_each_machine(mach) {
49                 if (mips_machtype == mach->mach_type) {
50                         mips_machine = mach;
51                         break;
52                 }
53         }
54
55         if (!mips_machine)
56                 return;
57
58         mips_set_machine_name(mips_machine->mach_name);
59
60         if (mips_machine->mach_setup)
61                 mips_machine->mach_setup();
62 }