Merge remote-tracking branch 'remotes/philmd-gitlab/tags/renesas-20201027' into staging
[qemu.git] / hw / arm / orangepi.c
1 /*
2 * Orange Pi emulation
3 *
4 * Copyright (C) 2019 Niek Linnenbank <nieklinnenbank@gmail.com>
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "qemu/osdep.h"
21 #include "qemu/units.h"
22 #include "exec/address-spaces.h"
23 #include "qapi/error.h"
24 #include "cpu.h"
25 #include "hw/sysbus.h"
26 #include "hw/boards.h"
27 #include "hw/qdev-properties.h"
28 #include "hw/arm/allwinner-h3.h"
29 #include "sysemu/sysemu.h"
30
31 static struct arm_boot_info orangepi_binfo = {
32 .nb_cpus = AW_H3_NUM_CPUS,
33 };
34
35 static void orangepi_init(MachineState *machine)
36 {
37 AwH3State *h3;
38 DriveInfo *di;
39 BlockBackend *blk;
40 BusState *bus;
41 DeviceState *carddev;
42
43 /* BIOS is not supported by this board */
44 if (bios_name) {
45 error_report("BIOS not supported for this machine");
46 exit(1);
47 }
48
49 /* This board has fixed size RAM */
50 if (machine->ram_size != 1 * GiB) {
51 error_report("This machine can only be used with 1GiB of RAM");
52 exit(1);
53 }
54
55 /* Only allow Cortex-A7 for this board */
56 if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a7")) != 0) {
57 error_report("This board can only be used with cortex-a7 CPU");
58 exit(1);
59 }
60
61 h3 = AW_H3(object_new(TYPE_AW_H3));
62 object_property_add_child(OBJECT(machine), "soc", OBJECT(h3));
63 object_unref(OBJECT(h3));
64
65 /* Setup timer properties */
66 object_property_set_int(OBJECT(h3), "clk0-freq", 32768, &error_abort);
67 object_property_set_int(OBJECT(h3), "clk1-freq", 24 * 1000 * 1000,
68 &error_abort);
69
70 /* Setup SID properties. Currently using a default fixed SID identifier. */
71 if (qemu_uuid_is_null(&h3->sid.identifier)) {
72 qdev_prop_set_string(DEVICE(h3), "identifier",
73 "02c00081-1111-2222-3333-000044556677");
74 } else if (ldl_be_p(&h3->sid.identifier.data[0]) != 0x02c00081) {
75 warn_report("Security Identifier value does not include H3 prefix");
76 }
77
78 /* Setup EMAC properties */
79 object_property_set_int(OBJECT(&h3->emac), "phy-addr", 1, &error_abort);
80
81 /* DRAMC */
82 object_property_set_uint(OBJECT(h3), "ram-addr", h3->memmap[AW_H3_DEV_SDRAM],
83 &error_abort);
84 object_property_set_int(OBJECT(h3), "ram-size", machine->ram_size / MiB,
85 &error_abort);
86
87 /* Mark H3 object realized */
88 qdev_realize(DEVICE(h3), NULL, &error_abort);
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(h3), "sd-bus");
94
95 /* Plug in SD card */
96 carddev = qdev_new(TYPE_SD_CARD);
97 qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
98 qdev_realize_and_unref(carddev, bus, &error_fatal);
99
100 /* SDRAM */
101 memory_region_add_subregion(get_system_memory(), h3->memmap[AW_H3_DEV_SDRAM],
102 machine->ram);
103
104 /* Load target kernel or start using BootROM */
105 if (!machine->kernel_filename && blk && blk_is_available(blk)) {
106 /* Use Boot ROM to copy data from SD card to SRAM */
107 allwinner_h3_bootrom_setup(h3, blk);
108 }
109 orangepi_binfo.loader_start = h3->memmap[AW_H3_DEV_SDRAM];
110 orangepi_binfo.ram_size = machine->ram_size;
111 arm_load_kernel(ARM_CPU(first_cpu), machine, &orangepi_binfo);
112 }
113
114 static void orangepi_machine_init(MachineClass *mc)
115 {
116 mc->desc = "Orange Pi PC";
117 mc->init = orangepi_init;
118 mc->block_default_type = IF_SD;
119 mc->units_per_default_bus = 1;
120 mc->min_cpus = AW_H3_NUM_CPUS;
121 mc->max_cpus = AW_H3_NUM_CPUS;
122 mc->default_cpus = AW_H3_NUM_CPUS;
123 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a7");
124 mc->default_ram_size = 1 * GiB;
125 mc->default_ram_id = "orangepi.ram";
126 }
127
128 DEFINE_MACHINE("orangepi-pc", orangepi_machine_init)