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Diffstat (limited to 'hw/arm/orangepi.c')
| -rw-r--r-- | hw/arm/orangepi.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/hw/arm/orangepi.c b/hw/arm/orangepi.c new file mode 100644 index 00000000..3ace4748 --- /dev/null +++ b/hw/arm/orangepi.c @@ -0,0 +1,124 @@ +/* + * Orange Pi emulation + * + * Copyright (C) 2019 Niek Linnenbank <nieklinnenbank@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "qemu/osdep.h" +#include "qemu/units.h" +#include "exec/address-spaces.h" +#include "qapi/error.h" +#include "hw/boards.h" +#include "hw/qdev-properties.h" +#include "hw/arm/allwinner-h3.h" + +static struct arm_boot_info orangepi_binfo; + +static void orangepi_init(MachineState *machine) +{ + AwH3State *h3; + DriveInfo *di; + BlockBackend *blk; + BusState *bus; + DeviceState *carddev; + + /* BIOS is not supported by this board */ + if (machine->firmware) { + error_report("BIOS not supported for this machine"); + exit(1); + } + + /* This board has fixed size RAM */ + if (machine->ram_size != 1 * GiB) { + error_report("This machine can only be used with 1GiB of RAM"); + exit(1); + } + + /* Only allow Cortex-A7 for this board */ + if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a7")) != 0) { + error_report("This board can only be used with cortex-a7 CPU"); + exit(1); + } + + h3 = AW_H3(object_new(TYPE_AW_H3)); + object_property_add_child(OBJECT(machine), "soc", OBJECT(h3)); + object_unref(OBJECT(h3)); + + /* Setup timer properties */ + object_property_set_int(OBJECT(h3), "clk0-freq", 32768, &error_abort); + object_property_set_int(OBJECT(h3), "clk1-freq", 24 * 1000 * 1000, + &error_abort); + + /* Setup SID properties. Currently using a default fixed SID identifier. */ + if (qemu_uuid_is_null(&h3->sid.identifier)) { + qdev_prop_set_string(DEVICE(h3), "identifier", + "02c00081-1111-2222-3333-000044556677"); + } else if (ldl_be_p(&h3->sid.identifier.data[0]) != 0x02c00081) { + warn_report("Security Identifier value does not include H3 prefix"); + } + + /* Setup EMAC properties */ + object_property_set_int(OBJECT(&h3->emac), "phy-addr", 1, &error_abort); + + /* DRAMC */ + object_property_set_uint(OBJECT(h3), "ram-addr", h3->memmap[AW_H3_DEV_SDRAM], + &error_abort); + object_property_set_int(OBJECT(h3), "ram-size", machine->ram_size / MiB, + &error_abort); + + /* Mark H3 object realized */ + qdev_realize(DEVICE(h3), NULL, &error_abort); + + /* Retrieve SD bus */ + di = drive_get(IF_SD, 0, 0); + blk = di ? blk_by_legacy_dinfo(di) : NULL; + bus = qdev_get_child_bus(DEVICE(h3), "sd-bus"); + + /* Plug in SD card */ + carddev = qdev_new(TYPE_SD_CARD); + qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal); + qdev_realize_and_unref(carddev, bus, &error_fatal); + + /* SDRAM */ + memory_region_add_subregion(get_system_memory(), h3->memmap[AW_H3_DEV_SDRAM], + machine->ram); + + /* Load target kernel or start using BootROM */ + if (!machine->kernel_filename && blk && blk_is_available(blk)) { + /* Use Boot ROM to copy data from SD card to SRAM */ + allwinner_h3_bootrom_setup(h3, blk); + } + orangepi_binfo.loader_start = h3->memmap[AW_H3_DEV_SDRAM]; + orangepi_binfo.ram_size = machine->ram_size; + orangepi_binfo.psci_conduit = QEMU_PSCI_CONDUIT_SMC; + arm_load_kernel(ARM_CPU(first_cpu), machine, &orangepi_binfo); +} + +static void orangepi_machine_init(MachineClass *mc) +{ + mc->desc = "Orange Pi PC (Cortex-A7)"; + mc->init = orangepi_init; + mc->block_default_type = IF_SD; + mc->units_per_default_bus = 1; + mc->min_cpus = AW_H3_NUM_CPUS; + mc->max_cpus = AW_H3_NUM_CPUS; + mc->default_cpus = AW_H3_NUM_CPUS; + mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a7"); + mc->default_ram_size = 1 * GiB; + mc->default_ram_id = "orangepi.ram"; +} + +DEFINE_MACHINE("orangepi-pc", orangepi_machine_init) |