Merge tag 'pull-ppc-20211129' of https://github.com/legoater/qemu into staging
[qemu.git] / 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 "qapi/error.h"
20 #include "hw/boards.h"
21 #include "hw/qdev-properties.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 static void cubieboard_init(MachineState *machine)
30 {
31 AwA10State *a10;
32 Error *err = NULL;
33 DriveInfo *di;
34 BlockBackend *blk;
35 BusState *bus;
36 DeviceState *carddev;
37
38 /* BIOS is not supported by this board */
39 if (machine->firmware) {
40 error_report("BIOS not supported for this machine");
41 exit(1);
42 }
43
44 /* This board has fixed size RAM (512MiB or 1GiB) */
45 if (machine->ram_size != 512 * MiB &&
46 machine->ram_size != 1 * GiB) {
47 error_report("This machine can only be used with 512MiB or 1GiB RAM");
48 exit(1);
49 }
50
51 /* Only allow Cortex-A8 for this board */
52 if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a8")) != 0) {
53 error_report("This board can only be used with cortex-a8 CPU");
54 exit(1);
55 }
56
57 a10 = AW_A10(object_new(TYPE_AW_A10));
58 object_property_add_child(OBJECT(machine), "soc", OBJECT(a10));
59 object_unref(OBJECT(a10));
60
61 if (!object_property_set_int(OBJECT(&a10->emac), "phy-addr", 1, &err)) {
62 error_reportf_err(err, "Couldn't set phy address: ");
63 exit(1);
64 }
65
66 if (!object_property_set_int(OBJECT(&a10->timer), "clk0-freq", 32768,
67 &err)) {
68 error_reportf_err(err, "Couldn't set clk0 frequency: ");
69 exit(1);
70 }
71
72 if (!object_property_set_int(OBJECT(&a10->timer), "clk1-freq", 24000000,
73 &err)) {
74 error_reportf_err(err, "Couldn't set clk1 frequency: ");
75 exit(1);
76 }
77
78 if (!qdev_realize(DEVICE(a10), NULL, &err)) {
79 error_reportf_err(err, "Couldn't realize Allwinner A10: ");
80 exit(1);
81 }
82
83 /* Retrieve SD bus */
84 di = drive_get_next(IF_SD);
85 blk = di ? blk_by_legacy_dinfo(di) : NULL;
86 bus = qdev_get_child_bus(DEVICE(a10), "sd-bus");
87
88 /* Plug in SD card */
89 carddev = qdev_new(TYPE_SD_CARD);
90 qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
91 qdev_realize_and_unref(carddev, bus, &error_fatal);
92
93 memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE,
94 machine->ram);
95
96 /* TODO create and connect IDE devices for ide_drive_get() */
97
98 cubieboard_binfo.ram_size = machine->ram_size;
99 arm_load_kernel(&a10->cpu, machine, &cubieboard_binfo);
100 }
101
102 static void cubieboard_machine_init(MachineClass *mc)
103 {
104 mc->desc = "cubietech cubieboard (Cortex-A8)";
105 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
106 mc->default_ram_size = 1 * GiB;
107 mc->init = cubieboard_init;
108 mc->block_default_type = IF_IDE;
109 mc->units_per_default_bus = 1;
110 mc->ignore_memory_transaction_failures = true;
111 mc->default_ram_id = "cubieboard.ram";
112 }
113
114 DEFINE_MACHINE("cubieboard", cubieboard_machine_init)