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 "exec/address-spaces.h"
  20 #include "qapi/error.h"
  21 #include "cpu.h"
  22 #include "hw/sysbus.h"
  23 #include "hw/boards.h"
  24 #include "hw/arm/allwinner-a10.h"
  25
  26 static struct arm_boot_info cubieboard_binfo = {
  27     .loader_start = AW_A10_SDRAM_BASE,
  28     .board_id = 0x1008,
  29 };
  30
  31 typedef struct CubieBoardState {
  32     AwA10State *a10;
  33     MemoryRegion sdram;
  34 } CubieBoardState;
  35
  36 static void cubieboard_init(MachineState *machine)
  37 {
  38     CubieBoardState *s = g_new(CubieBoardState, 1);
  39     Error *err = NULL;
  40
  41     s->a10 = AW_A10(object_new(TYPE_AW_A10));
  42
  43     object_property_set_int(OBJECT(&s->a10->emac), 1, "phy-addr", &err);
  44     if (err != NULL) {
  45         error_reportf_err(err, "Couldn't set phy address: ");
  46         exit(1);
  47     }
  48
  49     object_property_set_int(OBJECT(&s->a10->timer), 32768, "clk0-freq", &err);
  50     if (err != NULL) {
  51         error_reportf_err(err, "Couldn't set clk0 frequency: ");
  52         exit(1);
  53     }
  54
  55     object_property_set_int(OBJECT(&s->a10->timer), 24000000, "clk1-freq",
  56                             &err);
  57     if (err != NULL) {
  58         error_reportf_err(err, "Couldn't set clk1 frequency: ");
  59         exit(1);
  60     }
  61
  62     object_property_set_bool(OBJECT(s->a10), true, "realized", &err);
  63     if (err != NULL) {
  64         error_reportf_err(err, "Couldn't realize Allwinner A10: ");
  65         exit(1);
  66     }
  67
  68     memory_region_allocate_system_memory(&s->sdram, NULL, "cubieboard.ram",
  69                                          machine->ram_size);
  70     memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE,
  71                                 &s->sdram);
  72
  73     /* TODO create and connect IDE devices for ide_drive_get() */
  74
  75     cubieboard_binfo.ram_size = machine->ram_size;
  76     cubieboard_binfo.kernel_filename = machine->kernel_filename;
  77     cubieboard_binfo.kernel_cmdline = machine->kernel_cmdline;
  78     cubieboard_binfo.initrd_filename = machine->initrd_filename;
  79     arm_load_kernel(&s->a10->cpu, &cubieboard_binfo);
  80 }
  81
  82 static void cubieboard_machine_init(MachineClass *mc)
  83 {
  84     mc->desc = "cubietech cubieboard";
  85     mc->init = cubieboard_init;
  86     mc->block_default_type = IF_IDE;
  87     mc->units_per_default_bus = 1;
  88     mc->ignore_memory_transaction_failures = true;
  89 }
  90
  91 DEFINE_MACHINE("cubieboard", cubieboard_machine_init)