xref: /openbmc/qemu/hw/arm/cubieboard.c (revision 36f96c4b)
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 "hw/sysbus.h"
20 #include "hw/devices.h"
21 #include "hw/boards.h"
22 #include "hw/arm/allwinner-a10.h"
23 
24 static struct arm_boot_info cubieboard_binfo = {
25     .loader_start = AW_A10_SDRAM_BASE,
26     .board_id = 0x1008,
27 };
28 
29 typedef struct CubieBoardState {
30     AwA10State *a10;
31     MemoryRegion sdram;
32 } CubieBoardState;
33 
34 static void cubieboard_init(MachineState *machine)
35 {
36     CubieBoardState *s = g_new(CubieBoardState, 1);
37     Error *err = NULL;
38 
39     s->a10 = AW_A10(object_new(TYPE_AW_A10));
40 
41     object_property_set_int(OBJECT(&s->a10->emac), 1, "phy-addr", &err);
42     if (err != NULL) {
43         error_reportf_err(err, "Couldn't set phy address: ");
44         exit(1);
45     }
46 
47     object_property_set_int(OBJECT(&s->a10->timer), 32768, "clk0-freq", &err);
48     if (err != NULL) {
49         error_reportf_err(err, "Couldn't set clk0 frequency: ");
50         exit(1);
51     }
52 
53     object_property_set_int(OBJECT(&s->a10->timer), 24000000, "clk1-freq",
54                             &err);
55     if (err != NULL) {
56         error_reportf_err(err, "Couldn't set clk1 frequency: ");
57         exit(1);
58     }
59 
60     object_property_set_bool(OBJECT(s->a10), true, "realized", &err);
61     if (err != NULL) {
62         error_reportf_err(err, "Couldn't realize Allwinner A10: ");
63         exit(1);
64     }
65 
66     memory_region_allocate_system_memory(&s->sdram, NULL, "cubieboard.ram",
67                                          machine->ram_size);
68     memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE,
69                                 &s->sdram);
70 
71     cubieboard_binfo.ram_size = machine->ram_size;
72     cubieboard_binfo.kernel_filename = machine->kernel_filename;
73     cubieboard_binfo.kernel_cmdline = machine->kernel_cmdline;
74     arm_load_kernel(&s->a10->cpu, &cubieboard_binfo);
75 }
76 
77 static void cubieboard_machine_init(MachineClass *mc)
78 {
79     mc->desc = "cubietech cubieboard";
80     mc->init = cubieboard_init;
81 }
82 
83 DEFINE_MACHINE("cubieboard", cubieboard_machine_init)
84