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
21 static 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_LOONGSON_GENERIC] = "generic-loongson-machine",
31 [MACH_LOONGSON_END] = NULL,
32 };
33
get_system_type(void)34 const char *get_system_type(void)
35 {
36 return system_types[mips_machtype];
37 }
38
mach_prom_init_machtype(void)39 void __weak __init mach_prom_init_machtype(void)
40 {
41 }
42
prom_init_machtype(void)43 void __init prom_init_machtype(void)
44 {
45 char *p, str[MACHTYPE_LEN + 1];
46 int machtype = MACH_LEMOTE_FL2E;
47
48 mips_machtype = LOONGSON_MACHTYPE;
49
50 p = strstr(arcs_cmdline, "machtype=");
51 if (!p) {
52 mach_prom_init_machtype();
53 return;
54 }
55 p += strlen("machtype=");
56 strncpy(str, p, MACHTYPE_LEN);
57 str[MACHTYPE_LEN] = '\0';
58 p = strstr(str, " ");
59 if (p)
60 *p = '\0';
61
62 for (; system_types[machtype]; machtype++)
63 if (strstr(system_types[machtype], str)) {
64 mips_machtype = machtype;
65 break;
66 }
67 }
68