hw/arm/cubieboard.c

   1 /*
   2  * cubieboard emulation
   3  *
   4  * Copyright (C) 2013 Li Guang
   5  * Written by Li Guang <[email protected]>
   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(MachineState *machine)
  34 {
  35     CubieBoardState *s = g_new(CubieBoardState, 1);
  36     Error *err = NULL;
  37
  38     s->a10 = AW_A10(object_new(TYPE_AW_A10));
  39
  40     object_property_set_int(OBJECT(&s->a10->emac), 1, "phy-addr", &err);
  41     if (err != NULL) {
  42         error_report("Couldn't set phy address: %s", error_get_pretty(err));
  43         exit(1);
  44     }
  45
  46     object_property_set_int(OBJECT(&s->a10->timer), 32768, "clk0-freq", &err);
  47     if (err != NULL) {
  48         error_report("Couldn't set clk0 frequency: %s", error_get_pretty(err));
  49         exit(1);
  50     }
  51
  52     object_property_set_int(OBJECT(&s->a10->timer), 24000000, "clk1-freq",
  53                             &err);
  54     if (err != NULL) {
  55         error_report("Couldn't set clk1 frequency: %s", error_get_pretty(err));
  56         exit(1);
  57     }
  58
  59     object_property_set_bool(OBJECT(s->a10), true, "realized", &err);
  60     if (err != NULL) {
  61         error_report("Couldn't realize Allwinner A10: %s",
  62                      error_get_pretty(err));
  63         exit(1);
  64     }
  65
  66     memory_region_init_ram(&s->sdram, NULL, "cubieboard.ram",
  67                            machine->ram_size);
  68     vmstate_register_ram_global(&s->sdram);
  69     memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE,
  70                                 &s->sdram);
  71
  72     cubieboard_binfo.ram_size = machine->ram_size;
  73     cubieboard_binfo.kernel_filename = machine->kernel_filename;
  74     cubieboard_binfo.kernel_cmdline = machine->kernel_cmdline;
  75     arm_load_kernel(&s->a10->cpu, &cubieboard_binfo);
  76 }
  77
  78 static QEMUMachine cubieboard_machine = {
  79     .name = "cubieboard",
  80     .desc = "cubietech cubieboard",
  81     .init = cubieboard_init,
  82 };
  83
  84
  85 static void cubieboard_machine_init(void)
  86 {
  87     qemu_register_machine(&cubieboard_machine);
  88 }
  89
  90 machine_init(cubieboard_machine_init)