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 "sysemu/sysemu.h"
23 #include "hw/sysbus.h"
24 #include "hw/boards.h"
25 #include "hw/qdev-properties.h"
26 #include "hw/arm/allwinner-a10.h"
27
28 static struct arm_boot_info cubieboard_binfo = {
29 .loader_start = AW_A10_SDRAM_BASE,
30 .board_id = 0x1008,
31 };
32
cubieboard_init(MachineState * machine)33 static void cubieboard_init(MachineState *machine)
34 {
35 AwA10State *a10;
36 Error *err = NULL;
37 DriveInfo *di;
38 BlockBackend *blk;
39 BusState *bus;
40 DeviceState *carddev;
41
42 /* BIOS is not supported by this board */
43 if (bios_name) {
44 error_report("BIOS not supported for this machine");
45 exit(1);
46 }
47
48 /* This board has fixed size RAM (512MiB or 1GiB) */
49 if (machine->ram_size != 512 * MiB &&
50 machine->ram_size != 1 * GiB) {
51 error_report("This machine can only be used with 512MiB or 1GiB RAM");
52 exit(1);
53 }
54
55 /* Only allow Cortex-A8 for this board */
56 if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a8")) != 0) {
57 error_report("This board can only be used with cortex-a8 CPU");
58 exit(1);
59 }
60
61 a10 = AW_A10(object_new(TYPE_AW_A10));
62 object_property_add_child(OBJECT(machine), "soc", OBJECT(a10),
63 &error_abort);
64 object_unref(OBJECT(a10));
65
66 object_property_set_int(OBJECT(&a10->emac), 1, "phy-addr", &err);
67 if (err != NULL) {
68 error_reportf_err(err, "Couldn't set phy address: ");
69 exit(1);
70 }
71
72 object_property_set_int(OBJECT(&a10->timer), 32768, "clk0-freq", &err);
73 if (err != NULL) {
74 error_reportf_err(err, "Couldn't set clk0 frequency: ");
75 exit(1);
76 }
77
78 object_property_set_int(OBJECT(&a10->timer), 24000000, "clk1-freq", &err);
79 if (err != NULL) {
80 error_reportf_err(err, "Couldn't set clk1 frequency: ");
81 exit(1);
82 }
83
84 object_property_set_bool(OBJECT(a10), true, "realized", &err);
85 if (err != NULL) {
86 error_reportf_err(err, "Couldn't realize Allwinner A10: ");
87 exit(1);
88 }
89
90 /* Retrieve SD bus */
91 di = drive_get_next(IF_SD);
92 blk = di ? blk_by_legacy_dinfo(di) : NULL;
93 bus = qdev_get_child_bus(DEVICE(a10), "sd-bus");
94
95 /* Plug in SD card */
96 carddev = qdev_create(bus, TYPE_SD_CARD);
97 qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
98 object_property_set_bool(OBJECT(carddev), true, "realized", &error_fatal);
99
100 memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE,
101 machine->ram);
102
103 /* TODO create and connect IDE devices for ide_drive_get() */
104
105 cubieboard_binfo.ram_size = machine->ram_size;
106 arm_load_kernel(&a10->cpu, machine, &cubieboard_binfo);
107 }
108
cubieboard_machine_init(MachineClass * mc)109 static void cubieboard_machine_init(MachineClass *mc)
110 {
111 mc->desc = "cubietech cubieboard (Cortex-A8)";
112 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
113 mc->default_ram_size = 1 * GiB;
114 mc->init = cubieboard_init;
115 mc->block_default_type = IF_IDE;
116 mc->units_per_default_bus = 1;
117 mc->ignore_memory_transaction_failures = true;
118 mc->default_ram_id = "cubieboard.ram";
119 }
120
121 DEFINE_MACHINE("cubieboard", cubieboard_machine_init)
122