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