129 lines
4.3 KiB
C
129 lines
4.3 KiB
C
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/*
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* Orange Pi emulation
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*
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* Copyright (C) 2019 Niek Linnenbank <nieklinnenbank@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "qemu/units.h"
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#include "exec/address-spaces.h"
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#include "qapi/error.h"
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#include "cpu.h"
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#include "hw/sysbus.h"
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#include "hw/boards.h"
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#include "hw/qdev-properties.h"
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#include "hw/arm/allwinner-h3.h"
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#include "sysemu/sysemu.h"
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static struct arm_boot_info orangepi_binfo = {
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.nb_cpus = AW_H3_NUM_CPUS,
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};
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static void orangepi_init(MachineState *machine)
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{
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AwH3State *h3;
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DriveInfo *di;
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BlockBackend *blk;
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BusState *bus;
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DeviceState *carddev;
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/* BIOS is not supported by this board */
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if (bios_name) {
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error_report("BIOS not supported for this machine");
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exit(1);
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}
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/* This board has fixed size RAM */
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if (machine->ram_size != 1 * GiB) {
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error_report("This machine can only be used with 1GiB of RAM");
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exit(1);
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}
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/* Only allow Cortex-A7 for this board */
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if (strcmp(machine->cpu_type, ARM_CPU_TYPE_NAME("cortex-a7")) != 0) {
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error_report("This board can only be used with cortex-a7 CPU");
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exit(1);
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}
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h3 = AW_H3(object_new(TYPE_AW_H3));
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object_property_add_child(OBJECT(machine), "soc", OBJECT(h3));
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object_unref(OBJECT(h3));
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/* Setup timer properties */
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object_property_set_int(OBJECT(h3), "clk0-freq", 32768, &error_abort);
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object_property_set_int(OBJECT(h3), "clk1-freq", 24 * 1000 * 1000,
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&error_abort);
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/* Setup SID properties. Currently using a default fixed SID identifier. */
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if (qemu_uuid_is_null(&h3->sid.identifier)) {
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qdev_prop_set_string(DEVICE(h3), "identifier",
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"02c00081-1111-2222-3333-000044556677");
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} else if (ldl_be_p(&h3->sid.identifier.data[0]) != 0x02c00081) {
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warn_report("Security Identifier value does not include H3 prefix");
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}
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/* Setup EMAC properties */
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object_property_set_int(OBJECT(&h3->emac), "phy-addr", 1, &error_abort);
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/* DRAMC */
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object_property_set_uint(OBJECT(h3), "ram-addr", h3->memmap[AW_H3_SDRAM],
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&error_abort);
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object_property_set_int(OBJECT(h3), "ram-size", machine->ram_size / MiB,
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&error_abort);
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/* Mark H3 object realized */
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qdev_realize(DEVICE(h3), NULL, &error_abort);
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/* Retrieve SD bus */
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di = drive_get_next(IF_SD);
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blk = di ? blk_by_legacy_dinfo(di) : NULL;
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bus = qdev_get_child_bus(DEVICE(h3), "sd-bus");
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/* Plug in SD card */
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carddev = qdev_new(TYPE_SD_CARD);
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qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
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qdev_realize_and_unref(carddev, bus, &error_fatal);
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/* SDRAM */
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memory_region_add_subregion(get_system_memory(), h3->memmap[AW_H3_SDRAM],
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machine->ram);
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/* Load target kernel or start using BootROM */
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if (!machine->kernel_filename && blk && blk_is_available(blk)) {
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/* Use Boot ROM to copy data from SD card to SRAM */
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allwinner_h3_bootrom_setup(h3, blk);
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}
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orangepi_binfo.loader_start = h3->memmap[AW_H3_SDRAM];
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orangepi_binfo.ram_size = machine->ram_size;
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arm_load_kernel(ARM_CPU(first_cpu), machine, &orangepi_binfo);
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}
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static void orangepi_machine_init(MachineClass *mc)
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{
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mc->desc = "Orange Pi PC";
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mc->init = orangepi_init;
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mc->block_default_type = IF_SD;
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mc->units_per_default_bus = 1;
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mc->min_cpus = AW_H3_NUM_CPUS;
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mc->max_cpus = AW_H3_NUM_CPUS;
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mc->default_cpus = AW_H3_NUM_CPUS;
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mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a7");
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mc->default_ram_size = 1 * GiB;
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mc->default_ram_id = "orangepi.ram";
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}
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DEFINE_MACHINE("orangepi-pc", orangepi_machine_init)
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