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/*
* 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 "cpu.h"
#include "hw/sysbus.h"
#include "hw/boards.h"
#include "hw/qdev-properties.h"
#include "hw/arm/allwinner-h3.h"
#include "sysemu/sysemu.h"
static struct arm_boot_info orangepi_binfo = {
.nb_cpus = AW_H3_NUM_CPUS,
};
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_next(IF_SD);
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;
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)
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