arch/mips/loongson32/common/setup.c

   1 /*
   2  * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com>
   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 as published by the
   6  * Free Software Foundation;  either version 2 of the  License, or (at your
   7  * option) any later version.
   8  */
   9
  10 #include <asm/bootinfo.h>
  11
  12 #include <prom.h>
  13
  14 void __init plat_mem_setup(void)
  15 {
  16         add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
  17 }
  18
  19 const char *get_system_type(void)
  20 {
  21         unsigned int processor_id = (&current_cpu_data)->processor_id;
  22
  23         switch (processor_id & PRID_REV_MASK) {
  24         case PRID_REV_LOONGSON1B:
  25 #if defined(CONFIG_LOONGSON1_LS1B)
  26                 return "LOONGSON LS1B";
  27 #elif defined(CONFIG_LOONGSON1_LS1C)
  28                 return "LOONGSON LS1C";
  29 #endif
  30         default:
  31                 return "LOONGSON (unknown)";
  32         }
  33 }