hw/arm/cubieboard.c

   1 /*
   2  * cubieboard emulation
   3  *
   4  * Copyright (C) 2013 Li Guang
   5  * Written by Li Guang <lig.fnst@cn.fujitsu.com>
   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
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  15  * for more details.
  16  */
  17
  18 #include "hw/sysbus.h"
  19 #include "hw/devices.h"
  20 #include "hw/boards.h"
  21 #include "hw/arm/allwinner-a10.h"
  22
  23 static struct arm_boot_info cubieboard_binfo = {
  24     .loader_start = AW_A10_SDRAM_BASE,
  25     .board_id = 0x1008,
  26 };
  27
  28 typedef struct CubieBoardState {
  29     AwA10State *a10;
  30     MemoryRegion sdram;
  31 } CubieBoardState;
  32
  33 static void cubieboard_init(QEMUMachineInitArgs *args)
  34 {
  35     CubieBoardState *s = g_new(CubieBoardState, 1);
  36     Error *err = NULL;
  37
  38     s->a10 = AW_A10(object_new(TYPE_AW_A10));
  39     object_property_set_bool(OBJECT(s->a10), true, "realized", &err);
  40     if (err != NULL) {
  41         error_report("Couldn't realize Allwinner A10: %s\n",
  42                 error_get_pretty(err));
  43         exit(1);
  44     }
  45
  46     memory_region_init_ram(&s->sdram, NULL, "cubieboard.ram", args->ram_size);
  47     vmstate_register_ram_global(&s->sdram);
  48     memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE,
  49                                 &s->sdram);
  50
  51     cubieboard_binfo.ram_size = args->ram_size;
  52     cubieboard_binfo.kernel_filename = args->kernel_filename;
  53     cubieboard_binfo.kernel_cmdline = args->kernel_cmdline;
  54     arm_load_kernel(&s->a10->cpu, &cubieboard_binfo);
  55 }
  56
  57 static QEMUMachine cubieboard_machine = {
  58     .name = "cubieboard",
  59     .desc = "cubietech cubieboard",
  60     .init = cubieboard_init,
  61 };
  62
  63
  64 static void cubieboard_machine_init(void)
  65 {
  66     qemu_register_machine(&cubieboard_machine);
  67 }
  68
  69 machine_init(cubieboard_machine_init)