/* * 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)