tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
15static struct mips_machine *mips_machine __initdata;
16static 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
38char *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}