arch/mips/loongson/common/machtype.c

   1 /*
   2  * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
   3  * Author: Wu Zhangjin, wuzj@lemote.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 static const char *system_types[] = {
  19         [MACH_LOONGSON_UNKNOWN]         "unknown loongson machine",
  20         [MACH_LEMOTE_FL2E]              "lemote-fuloong-2e-box",
  21         [MACH_LEMOTE_FL2F]              "lemote-fuloong-2f-box",
  22         [MACH_LEMOTE_ML2F7]             "lemote-mengloong-2f-7inches",
  23         [MACH_LEMOTE_YL2F89]            "lemote-yeeloong-2f-8.9inches",
  24         [MACH_DEXXON_GDIUM2F10]         "dexxon-gidum-2f-10inches",
  25         [MACH_LOONGSON_END]             NULL,
  26 };
  27
  28 const char *get_system_type(void)
  29 {
  30         if (mips_machtype == MACH_UNKNOWN)
  31                 mips_machtype = LOONGSON_MACHTYPE;
  32
  33         return system_types[mips_machtype];
  34 }
  35
  36 static __init int machtype_setup(char *str)
  37 {
  38         int machtype = MACH_LEMOTE_FL2E;
  39
  40         if (!str)
  41                 return -EINVAL;
  42
  43         for (; system_types[machtype]; machtype++)
  44                 if (strstr(system_types[machtype], str)) {
  45                         mips_machtype = machtype;
  46                         break;
  47                 }
  48         return 0;
  49 }
  50 __setup("machtype=", machtype_setup);