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}