Merge tag 'block-pull-request' of https://gitlab.com/stefanha/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 #include "hw/i2c/i2c.h"
24
25 static struct arm_boot_info cubieboard_binfo = {
26 .loader_start = AW_A10_SDRAM_BASE,
27 .board_id = 0x1008,
28 };
29
30 static void cubieboard_init(MachineState *machine)
31 {
32 AwA10State *a10;
33 Error *err = NULL;
34 DriveInfo *di;
35 BlockBackend *blk;
36 BusState *bus;
37 DeviceState *carddev;
38 I2CBus *i2c;
39
40 /* BIOS is not supported by this board */
41 if (machine->firmware) {
42 error_report("BIOS not supported for this machine");
43 exit(1);
44 }
45
46 /* This board has fixed size RAM (512MiB or 1GiB) */
47 if (machine->ram_size != 512 * MiB &&
48 machine->ram_size != 1 * GiB) {
49 error_report("This machine can only be used with 512MiB or 1GiB RAM");
50 exit(1);
51 }
52
53 /* Only allow Cortex-A8 for this board */
54 if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a8")) != 0) {
55 error_report("This board can only be used with cortex-a8 CPU");
56 exit(1);
57 }
58
59 a10 = AW_A10(object_new(TYPE_AW_A10));
60 object_property_add_child(OBJECT(machine), "soc", OBJECT(a10));
61 object_unref(OBJECT(a10));
62
63 if (!object_property_set_int(OBJECT(&a10->emac), "phy-addr", 1, &err)) {
64 error_reportf_err(err, "Couldn't set phy address: ");
65 exit(1);
66 }
67
68 if (!object_property_set_int(OBJECT(&a10->timer), "clk0-freq", 32768,
69 &err)) {
70 error_reportf_err(err, "Couldn't set clk0 frequency: ");
71 exit(1);
72 }
73
74 if (!object_property_set_int(OBJECT(&a10->timer), "clk1-freq", 24000000,
75 &err)) {
76 error_reportf_err(err, "Couldn't set clk1 frequency: ");
77 exit(1);
78 }
79
80 if (!qdev_realize(DEVICE(a10), NULL, &err)) {
81 error_reportf_err(err, "Couldn't realize Allwinner A10: ");
82 exit(1);
83 }
84
85 /* Connect AXP 209 */
86 i2c = I2C_BUS(qdev_get_child_bus(DEVICE(&a10->i2c0), "i2c"));
87 i2c_slave_create_simple(i2c, "axp209_pmu", 0x34);
88
89 /* Retrieve SD bus */
90 di = drive_get(IF_SD, 0, 0);
91 blk = di ? blk_by_legacy_dinfo(di) : NULL;
92 bus = qdev_get_child_bus(DEVICE(a10), "sd-bus");
93
94 /* Plug in SD card */
95 carddev = qdev_new(TYPE_SD_CARD);
96 qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
97 qdev_realize_and_unref(carddev, bus, &error_fatal);
98
99 memory_region_add_subregion(get_system_memory(), AW_A10_SDRAM_BASE,
100 machine->ram);
101
102 /* Load target kernel or start using BootROM */
103 if (!machine->kernel_filename && blk && blk_is_available(blk)) {
104 /* Use Boot ROM to copy data from SD card to SRAM */
105 allwinner_a10_bootrom_setup(a10, blk);
106 }
107 /* TODO create and connect IDE devices for ide_drive_get() */
108
109 cubieboard_binfo.ram_size = machine->ram_size;
110 arm_load_kernel(&a10->cpu, machine, &cubieboard_binfo);
111 }
112
113 static void cubieboard_machine_init(MachineClass *mc)
114 {
115 mc->desc = "cubietech cubieboard (Cortex-A8)";
116 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
117 mc->default_ram_size = 1 * GiB;
118 mc->init = cubieboard_init;
119 mc->block_default_type = IF_IDE;
120 mc->units_per_default_bus = 1;
121 mc->ignore_memory_transaction_failures = true;
122 mc->default_ram_id = "cubieboard.ram";
123 }
124
125 DEFINE_MACHINE("cubieboard", cubieboard_machine_init)