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 "qemu/osdep.h"
  19 #include "qapi/error.h"
  20 #include "hw/sysbus.h"
  21 #include "hw/devices.h"
  22 #include "hw/boards.h"
  23 #include "hw/arm/allwinner-a10.h"
  24
  25 static struct arm_boot_info cubieboard_binfo = {
  26     .loader_start = AW_A10_SDRAM_BASE,
  27     .board_id = 0x1008,
  28 };
  29
  30 typedef struct CubieBoardState {
  31     AwA10State *a10;
  32     MemoryRegion sdram;
  33 } CubieBoardState;
  34
  35 static void cubieboard_init(MachineState *machine)
  36 {
  37     CubieBoardState *s = g_new(CubieBoardState, 1);
  38     Error *err = NULL;
  39
  40     s->a10 = AW_A10(object_new(TYPE_AW_A10));
  41
  42     object_property_set_int(OBJECT(&s->a10->emac), 1, "phy-addr", &err);
  43     if (err != NULL) {
  44         error_reportf_err(err, "Couldn't set phy address: ");
  45         exit(1);
  46     }
  47
  48     object_property_set_int(OBJECT(&s->a10->timer), 32768, "clk0-freq", &err);
  49     if (err != NULL) {
  50         error_reportf_err(err, "Couldn't set clk0 frequency: ");
  51         exit(1);
  52     }
  53
  54     object_property_set_int(OBJECT(&s->a10->timer), 24000000, "clk1-freq",
  55                             &err);
  56     if (err != NULL) {
  57         error_reportf_err(err, "Couldn't set clk1 frequency: ");
  58         exit(1);
  59     }
  60
  61     object_property_set_bool(OBJECT(s->a10), true, "realized", &err);
  62     if (err != NULL) {
  63         error_reportf_err(err, "Couldn't realize Allwinner A10: ");
  64         exit(1);
  65     }
  66
  67     memory_region_allocate_system_memory(&s->sdram, NULL, "cubieboard.ram",
  68                                          machine->ram_size);
  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 void cubieboard_machine_init(MachineClass *mc)
  79 {
  80     mc->desc = "cubietech cubieboard";
  81     mc->init = cubieboard_init;
  82 }
  83
  84 DEFINE_MACHINE("cubieboard", cubieboard_machine_init)