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(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_reportf_err(err, "Couldn't set phy address: ");
  43         exit(1);
  44     }
  45
  46     object_property_set_int(OBJECT(&s->a10->timer), 32768, "clk0-freq", &err);
  47     if (err != NULL) {
  48         error_reportf_err(err, "Couldn't set clk0 frequency: ");
  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_reportf_err(err, "Couldn't set clk1 frequency: ");
  56         exit(1);
  57     }
  58
  59     object_property_set_bool(OBJECT(s->a10), true, "realized", &err);
  60     if (err != NULL) {
  61         error_reportf_err(err, "Couldn't realize Allwinner A10: ");
  62         exit(1);
  63     }
  64
  65     memory_region_allocate_system_memory(&s->sdram, NULL, "cubieboard.ram",
  66                                          machine->ram_size);
  67     memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE,
  68                                 &s->sdram);
  69
  70     cubieboard_binfo.ram_size = machine->ram_size;
  71     cubieboard_binfo.kernel_filename = machine->kernel_filename;
  72     cubieboard_binfo.kernel_cmdline = machine->kernel_cmdline;
  73     arm_load_kernel(&s->a10->cpu, &cubieboard_binfo);
  74 }
  75
  76 static void cubieboard_machine_init(MachineClass *mc)
  77 {
  78     mc->desc = "cubietech cubieboard";
  79     mc->init = cubieboard_init;
  80 }
  81
  82 DEFINE_MACHINE("cubieboard", cubieboard_machine_init)