xref: /openbmc/qemu/hw/arm/cubieboard.c (revision 6620801f)
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     arm_load_kernel(&s->a10->cpu, machine, &cubieboard_binfo);
77 }
78 
79 static void cubieboard_machine_init(MachineClass *mc)
80 {
81     mc->desc = "cubietech cubieboard (Cortex-A9)";
82     mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
83     mc->init = cubieboard_init;
84     mc->block_default_type = IF_IDE;
85     mc->units_per_default_bus = 1;
86     mc->ignore_memory_transaction_failures = true;
87 }
88 
89 DEFINE_MACHINE("cubieboard", cubieboard_machine_init)
90