1/*
2 * Copyright (C) 2009 Lemote Inc.
3 * Author: Wu Zhangjin, wuzhangjin@gmail.com
4 *
5 * Copyright (c) 2009 Zhang Le <r0bertz@gentoo.org>
6 *
7 * This program is free software; you can redistribute	it and/or modify it
8 * under  the terms of	the GNU General	 Public License as published by the
9 * Free Software Foundation;  either version 2 of the  License, or (at your
10 * option) any later version.
11 */
12#include <linux/errno.h>
13#include <asm/bootinfo.h>
14
15#include <loongson.h>
16#include <machine.h>
17
18/* please ensure the length of the machtype string is less than 50 */
19#define MACHTYPE_LEN 50
20
21static const char *system_types[] = {
22	[MACH_LOONGSON_UNKNOWN]		"unknown loongson machine",
23	[MACH_LEMOTE_FL2E]		"lemote-fuloong-2e-box",
24	[MACH_LEMOTE_FL2F]		"lemote-fuloong-2f-box",
25	[MACH_LEMOTE_ML2F7]		"lemote-mengloong-2f-7inches",
26	[MACH_LEMOTE_YL2F89]		"lemote-yeeloong-2f-8.9inches",
27	[MACH_DEXXON_GDIUM2F10]		"dexxon-gdium-2f",
28	[MACH_LEMOTE_NAS]		"lemote-nas-2f",
29	[MACH_LEMOTE_LL2F]		"lemote-lynloong-2f",
30	[MACH_LEMOTE_A1004]		"lemote-3a-notebook-a1004",
31	[MACH_LEMOTE_A1101]		"lemote-3a-itx-a1101",
32	[MACH_LEMOTE_A1201]		"lemote-2gq-notebook-a1201",
33	[MACH_LEMOTE_A1205]		"lemote-2gq-aio-a1205",
34	[MACH_LOONGSON_END]		NULL,
35};
36
37const char *get_system_type(void)
38{
39	return system_types[mips_machtype];
40}
41
42void __weak __init mach_prom_init_machtype(void)
43{
44}
45
46void __init prom_init_machtype(void)
47{
48	char *p, str[MACHTYPE_LEN + 1];
49	int machtype = MACH_LEMOTE_FL2E;
50
51	mips_machtype = LOONGSON_MACHTYPE;
52
53	p = strstr(arcs_cmdline, "machtype=");
54	if (!p) {
55		mach_prom_init_machtype();
56		return;
57	}
58	p += strlen("machtype=");
59	strncpy(str, p, MACHTYPE_LEN);
60	str[MACHTYPE_LEN] = '\0';
61	p = strstr(str, " ");
62	if (p)
63		*p = '\0';
64
65	for (; system_types[machtype]; machtype++)
66		if (strstr(system_types[machtype], str)) {
67			mips_machtype = machtype;
68			break;
69		}
70}
71