board/qemu-mips/qemu-mips.c

   1 /*
   2  * (C) Copyright 2007
   3  * Vlad Lungu vlad.lungu@windriver.com
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <command.h>
  26 #include <asm/mipsregs.h>
  27 #include <asm/io.h>
  28
  29 long int initdram(int board_type)
  30 {
  31         /* Sdram is setup by assembler code */
  32         /* If memory could be changed, we should return the true value here */
  33         return MEM_SIZE*1024*1024;
  34 }
  35
  36 int checkboard(void)
  37 {
  38         u32 proc_id;
  39         u32 config1;
  40
  41         proc_id = read_c0_prid();
  42         printf("Board: Qemu -M mips CPU: ");
  43         switch (proc_id) {
  44         case 0x00018000:
  45                 printf("4Kc");
  46                 break;
  47         case 0x00018400:
  48                 printf("4KEcR1");
  49                 break;
  50         case 0x00019000:
  51                 printf("4KEc");
  52                 break;
  53         case 0x00019300:
  54                 config1 = read_c0_config1();
  55                 if (config1 & 1)
  56                         printf("24Kf");
  57                 else
  58                         printf("24Kc");
  59                 break;
  60         case 0x00019500:
  61                 printf("34Kf");
  62                 break;
  63         case 0x00000400:
  64                 printf("R4000");
  65                 break;
  66         case 0x00018100:
  67                 config1 = read_c0_config1();
  68                 if (config1 & 1)
  69                         printf("5Kf");
  70                 else
  71                         printf("5Kc");
  72                 break;
  73         case 0x000182a0:
  74                 printf("20Kc");
  75                 break;
  76
  77         default:
  78                 printf("unknown");
  79         }
  80         printf(" proc_id=0x%x\n", proc_id);
  81
  82         return 0;
  83 }
  84
  85 int misc_init_r(void)
  86 {
  87         set_io_port_base(0);
  88         return 0;
  89 }