| 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 "system/address-spaces.h" |
| 23 | #include "qapi/error.h" |
| 24 | #include "qemu/error-report.h" |
| 25 | #include "hw/core/boards.h" |
| 26 | #include "hw/core/qdev-properties.h" |
| 27 | #include "hw/arm/allwinner-h3.h" |
| 28 | #include "hw/arm/boot.h" |
| 29 | #include "hw/arm/machines-qom.h" |
| 30 | |
| 31 | #define TYPE_ORANGEPI_MACHINE MACHINE_TYPE_NAME("orangepi-pc") |
| 32 | OBJECT_DECLARE_SIMPLE_TYPE(OrangePiMachineState, ORANGEPI_MACHINE) |
| 33 | |
| 34 | struct OrangePiMachineState { |
| 35 | MachineState parent; |
| 36 | |
| 37 | struct arm_boot_info bootinfo; |
| 38 | }; |
| 39 | |
| 40 | static void orangepi_init(MachineState *machine) |
| 41 | { |
| 42 | OrangePiMachineState *opms = ORANGEPI_MACHINE(machine); |
| 43 | AwH3State *h3; |
| 44 | DriveInfo *di; |
| 45 | BlockBackend *blk; |
| 46 | BusState *bus; |
| 47 | DeviceState *carddev; |
| 48 | |
| 49 | /* BIOS is not supported by this board */ |
| 50 | if (machine->firmware) { |
| 51 | error_report("BIOS not supported for this machine"); |
| 52 | exit(1); |
| 53 | } |
| 54 | |
| 55 | /* This board has fixed size RAM */ |
| 56 | if (machine->ram_size != 1 * GiB) { |
| 57 | error_report("This machine can only be used with 1GiB of RAM"); |
| 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(IF_SD, 0, 0); |
| 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 | opms->bootinfo.loader_start = h3->memmap[AW_H3_DEV_SDRAM]; |
| 110 | opms->bootinfo.ram_size = machine->ram_size; |
| 111 | opms->bootinfo.psci_conduit = QEMU_PSCI_CONDUIT_SMC; |
| 112 | arm_load_kernel(&h3->cpus[0], machine, &opms->bootinfo); |
| 113 | } |
| 114 | |
| 115 | static void orangepi_machine_init(MachineClass *mc) |
| 116 | { |
| 117 | static const char * const valid_cpu_types[] = { |
| 118 | ARM_CPU_TYPE_NAME("cortex-a7"), |
| 119 | NULL |
| 120 | }; |
| 121 | |
| 122 | mc->desc = "Orange Pi PC (Cortex-A7)"; |
| 123 | mc->init = orangepi_init; |
| 124 | mc->block_default_type = IF_SD; |
| 125 | mc->units_per_default_bus = 1; |
| 126 | mc->min_cpus = AW_H3_NUM_CPUS; |
| 127 | mc->max_cpus = AW_H3_NUM_CPUS; |
| 128 | mc->default_cpus = AW_H3_NUM_CPUS; |
| 129 | mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a7"); |
| 130 | mc->valid_cpu_types = valid_cpu_types; |
| 131 | mc->default_ram_size = 1 * GiB; |
| 132 | mc->default_ram_id = "orangepi.ram"; |
| 133 | mc->auto_create_sdcard = true; |
| 134 | } |
| 135 | |
| 136 | DEFINE_MACHINE_EXTENDED("orangepi-pc", MACHINE, OrangePiMachineState, |
| 137 | orangepi_machine_init, false, |
| 138 | arm_machine_interfaces) |