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 "qemu/error-report.h"
25 #include "hw/boards.h"
26 #include "hw/qdev-properties.h"
27 #include "hw/arm/allwinner-h3.h"
28 #include "hw/arm/boot.h"
29
30 static struct arm_boot_info orangepi_binfo;
31
orangepi_init(MachineState * machine)32 static void orangepi_init(MachineState *machine)
33 {
34 AwH3State *h3;
35 DriveInfo *di;
36 BlockBackend *blk;
37 BusState *bus;
38 DeviceState *carddev;
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 */
47 if (machine->ram_size != 1 * GiB) {
48 error_report("This machine can only be used with 1GiB of RAM");
49 exit(1);
50 }
51
52 h3 = AW_H3(object_new(TYPE_AW_H3));
53 object_property_add_child(OBJECT(machine), "soc", OBJECT(h3));
54 object_unref(OBJECT(h3));
55
56 /* Setup timer properties */
57 object_property_set_int(OBJECT(h3), "clk0-freq", 32768, &error_abort);
58 object_property_set_int(OBJECT(h3), "clk1-freq", 24 * 1000 * 1000,
59 &error_abort);
60
61 /* Setup SID properties. Currently using a default fixed SID identifier. */
62 if (qemu_uuid_is_null(&h3->sid.identifier)) {
63 qdev_prop_set_string(DEVICE(h3), "identifier",
64 "02c00081-1111-2222-3333-000044556677");
65 } else if (ldl_be_p(&h3->sid.identifier.data[0]) != 0x02c00081) {
66 warn_report("Security Identifier value does not include H3 prefix");
67 }
68
69 /* Setup EMAC properties */
70 object_property_set_int(OBJECT(&h3->emac), "phy-addr", 1, &error_abort);
71
72 /* DRAMC */
73 object_property_set_uint(OBJECT(h3), "ram-addr", h3->memmap[AW_H3_DEV_SDRAM],
74 &error_abort);
75 object_property_set_int(OBJECT(h3), "ram-size", machine->ram_size / MiB,
76 &error_abort);
77
78 /* Mark H3 object realized */
79 qdev_realize(DEVICE(h3), NULL, &error_abort);
80
81 /* Retrieve SD bus */
82 di = drive_get(IF_SD, 0, 0);
83 blk = di ? blk_by_legacy_dinfo(di) : NULL;
84 bus = qdev_get_child_bus(DEVICE(h3), "sd-bus");
85
86 /* Plug in SD card */
87 carddev = qdev_new(TYPE_SD_CARD);
88 qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
89 qdev_realize_and_unref(carddev, bus, &error_fatal);
90
91 /* SDRAM */
92 memory_region_add_subregion(get_system_memory(), h3->memmap[AW_H3_DEV_SDRAM],
93 machine->ram);
94
95 /* Load target kernel or start using BootROM */
96 if (!machine->kernel_filename && blk && blk_is_available(blk)) {
97 /* Use Boot ROM to copy data from SD card to SRAM */
98 allwinner_h3_bootrom_setup(h3, blk);
99 }
100 orangepi_binfo.loader_start = h3->memmap[AW_H3_DEV_SDRAM];
101 orangepi_binfo.ram_size = machine->ram_size;
102 orangepi_binfo.psci_conduit = QEMU_PSCI_CONDUIT_SMC;
103 arm_load_kernel(&h3->cpus[0], machine, &orangepi_binfo);
104 }
105
orangepi_machine_init(MachineClass * mc)106 static void orangepi_machine_init(MachineClass *mc)
107 {
108 static const char * const valid_cpu_types[] = {
109 ARM_CPU_TYPE_NAME("cortex-a7"),
110 NULL
111 };
112
113 mc->desc = "Orange Pi PC (Cortex-A7)";
114 mc->init = orangepi_init;
115 mc->block_default_type = IF_SD;
116 mc->units_per_default_bus = 1;
117 mc->min_cpus = AW_H3_NUM_CPUS;
118 mc->max_cpus = AW_H3_NUM_CPUS;
119 mc->default_cpus = AW_H3_NUM_CPUS;
120 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a7");
121 mc->valid_cpu_types = valid_cpu_types;
122 mc->default_ram_size = 1 * GiB;
123 mc->default_ram_id = "orangepi.ram";
124 }
125
126 DEFINE_MACHINE("orangepi-pc", orangepi_machine_init)
127