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/*
* QEMU Arduino boards
*
* Copyright (c) 2019-2020 Philippe Mathieu-Daudé
*
* This work is licensed under the terms of the GNU GPLv2 or later.
* See the COPYING file in the top-level directory.
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/* TODO: Implement the use of EXTRAM */
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/boards.h"
#include "atmega.h"
#include "boot.h"
#include "qom/object.h"
struct ArduinoMachineState {
/*< private >*/
MachineState parent_obj;
/*< public >*/
AtmegaMcuState mcu;
};
typedef struct ArduinoMachineState ArduinoMachineState;
struct ArduinoMachineClass {
/*< private >*/
MachineClass parent_class;
/*< public >*/
const char *mcu_type;
uint64_t xtal_hz;
};
typedef struct ArduinoMachineClass ArduinoMachineClass;
#define TYPE_ARDUINO_MACHINE \
MACHINE_TYPE_NAME("arduino")
DECLARE_OBJ_CHECKERS(ArduinoMachineState, ArduinoMachineClass,
ARDUINO_MACHINE, TYPE_ARDUINO_MACHINE)
static void arduino_machine_init(MachineState *machine)
{
ArduinoMachineClass *amc = ARDUINO_MACHINE_GET_CLASS(machine);
ArduinoMachineState *ams = ARDUINO_MACHINE(machine);
object_initialize_child(OBJECT(machine), "mcu", &ams->mcu, amc->mcu_type);
object_property_set_uint(OBJECT(&ams->mcu), "xtal-frequency-hz",
amc->xtal_hz, &error_abort);
sysbus_realize(SYS_BUS_DEVICE(&ams->mcu), &error_abort);
if (machine->firmware) {
if (!avr_load_firmware(&ams->mcu.cpu, machine,
&ams->mcu.flash, machine->firmware)) {
exit(1);
}
}
}
static void arduino_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
mc->init = arduino_machine_init;
mc->default_cpus = 1;
mc->min_cpus = mc->default_cpus;
mc->max_cpus = mc->default_cpus;
mc->no_floppy = 1;
mc->no_cdrom = 1;
mc->no_parallel = 1;
}
static void arduino_duemilanove_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc);
/*
* https://www.arduino.cc/en/Main/ArduinoBoardDuemilanove
* https://www.arduino.cc/en/uploads/Main/arduino-duemilanove-schematic.pdf
*/
mc->desc = "Arduino Duemilanove (ATmega168)",
mc->alias = "2009";
amc->mcu_type = TYPE_ATMEGA168_MCU;
amc->xtal_hz = 16 * 1000 * 1000;
};
static void arduino_uno_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc);
/*
* https://store.arduino.cc/arduino-uno-rev3
* https://www.arduino.cc/en/uploads/Main/arduino-uno-schematic.pdf
*/
mc->desc = "Arduino UNO (ATmega328P)";
mc->alias = "uno";
amc->mcu_type = TYPE_ATMEGA328_MCU;
amc->xtal_hz = 16 * 1000 * 1000;
};
static void arduino_mega_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc);
/*
* https://www.arduino.cc/en/Main/ArduinoBoardMega
* https://www.arduino.cc/en/uploads/Main/arduino-mega2560-schematic.pdf
*/
mc->desc = "Arduino Mega (ATmega1280)";
mc->alias = "mega";
amc->mcu_type = TYPE_ATMEGA1280_MCU;
amc->xtal_hz = 16 * 1000 * 1000;
};
static void arduino_mega2560_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
ArduinoMachineClass *amc = ARDUINO_MACHINE_CLASS(oc);
/*
* https://store.arduino.cc/arduino-mega-2560-rev3
* https://www.arduino.cc/en/uploads/Main/arduino-mega2560_R3-sch.pdf
*/
mc->desc = "Arduino Mega 2560 (ATmega2560)";
mc->alias = "mega2560";
amc->mcu_type = TYPE_ATMEGA2560_MCU;
amc->xtal_hz = 16 * 1000 * 1000; /* CSTCE16M0V53-R0 */
};
static const TypeInfo arduino_machine_types[] = {
{
.name = MACHINE_TYPE_NAME("arduino-duemilanove"),
.parent = TYPE_ARDUINO_MACHINE,
.class_init = arduino_duemilanove_class_init,
}, {
.name = MACHINE_TYPE_NAME("arduino-uno"),
.parent = TYPE_ARDUINO_MACHINE,
.class_init = arduino_uno_class_init,
}, {
.name = MACHINE_TYPE_NAME("arduino-mega"),
.parent = TYPE_ARDUINO_MACHINE,
.class_init = arduino_mega_class_init,
}, {
.name = MACHINE_TYPE_NAME("arduino-mega-2560-v3"),
.parent = TYPE_ARDUINO_MACHINE,
.class_init = arduino_mega2560_class_init,
}, {
.name = TYPE_ARDUINO_MACHINE,
.parent = TYPE_MACHINE,
.instance_size = sizeof(ArduinoMachineState),
.class_size = sizeof(ArduinoMachineClass),
.class_init = arduino_machine_class_init,
.abstract = true,
}
};
DEFINE_TYPES(arduino_machine_types)
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