board/qemu-mips/qemu-mips.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2007
   4  * Vlad Lungu vlad.lungu@windriver.com
   5  */
   6
   7 #include <common.h>
   8 #include <command.h>
   9 #include <init.h>
  10 #include <net.h>
  11 #include <asm/global_data.h>
  12 #include <asm/mipsregs.h>
  13 #include <asm/io.h>
  14 #include <netdev.h>
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 int dram_init(void)
  19 {
  20         /* Sdram is setup by assembler code */
  21         /* If memory could be changed, we should return the true value here */
  22         gd->ram_size = MEM_SIZE * 1024 * 1024;
  23
  24         return 0;
  25 }
  26
  27 int checkboard(void)
  28 {
  29         u32 proc_id;
  30         u32 config1;
  31
  32         proc_id = read_c0_prid();
  33         printf("Board: Qemu -M mips CPU: ");
  34         switch (proc_id) {
  35         case 0x00018000:
  36                 printf("4Kc");
  37                 break;
  38         case 0x00018400:
  39                 printf("4KEcR1");
  40                 break;
  41         case 0x00019000:
  42                 printf("4KEc");
  43                 break;
  44         case 0x00019300:
  45                 config1 = read_c0_config1();
  46                 if (config1 & 1)
  47                         printf("24Kf");
  48                 else
  49                         printf("24Kc");
  50                 break;
  51         case 0x00019500:
  52                 printf("34Kf");
  53                 break;
  54         case 0x00000400:
  55                 printf("R4000");
  56                 break;
  57         case 0x00018100:
  58                 config1 = read_c0_config1();
  59                 if (config1 & 1)
  60                         printf("5Kf");
  61                 else
  62                         printf("5Kc");
  63                 break;
  64         case 0x000182a0:
  65                 printf("20Kc");
  66                 break;
  67
  68         default:
  69                 printf("unknown");
  70         }
  71         printf(" proc_id=0x%x\n", proc_id);
  72
  73         return 0;
  74 }
  75
  76 int misc_init_r(void)
  77 {
  78         set_io_port_base(0);
  79         return 0;
  80 }
  81
  82 int board_eth_init(struct bd_info *bis)
  83 {
  84         return ne2k_register();
  85 }