Merge remote-tracking branch 'remotes/philmd-gitlab/tags/renesas-20201027' 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 "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
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 object_unref(OBJECT(a10));
64
65 if (!object_property_set_int(OBJECT(&a10->emac), "phy-addr", 1, &err)) {
66 error_reportf_err(err, "Couldn't set phy address: ");
67 exit(1);
68 }
69
70 if (!object_property_set_int(OBJECT(&a10->timer), "clk0-freq", 32768,
71 &err)) {
72 error_reportf_err(err, "Couldn't set clk0 frequency: ");
73 exit(1);
74 }
75
76 if (!object_property_set_int(OBJECT(&a10->timer), "clk1-freq", 24000000,
77 &err)) {
78 error_reportf_err(err, "Couldn't set clk1 frequency: ");
79 exit(1);
80 }
81
82 if (!qdev_realize(DEVICE(a10), NULL, &err)) {
83 error_reportf_err(err, "Couldn't realize Allwinner A10: ");
84 exit(1);
85 }
86
87 /* Retrieve SD bus */
88 di = drive_get_next(IF_SD);
89 blk = di ? blk_by_legacy_dinfo(di) : NULL;
90 bus = qdev_get_child_bus(DEVICE(a10), "sd-bus");
91
92 /* Plug in SD card */
93 carddev = qdev_new(TYPE_SD_CARD);
94 qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
95 qdev_realize_and_unref(carddev, bus, &error_fatal);
96
97 memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE,
98 machine->ram);
99
100 /* TODO create and connect IDE devices for ide_drive_get() */
101
102 cubieboard_binfo.ram_size = machine->ram_size;
103 arm_load_kernel(&a10->cpu, machine, &cubieboard_binfo);
104 }
105
106 static void cubieboard_machine_init(MachineClass *mc)
107 {
108 mc->desc = "cubietech cubieboard (Cortex-A8)";
109 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
110 mc->default_ram_size = 1 * GiB;
111 mc->init = cubieboard_init;
112 mc->block_default_type = IF_IDE;
113 mc->units_per_default_bus = 1;
114 mc->ignore_memory_transaction_failures = true;
115 mc->default_ram_id = "cubieboard.ram";
116 }
117
118 DEFINE_MACHINE("cubieboard", cubieboard_machine_init)