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hw/avr: Add limited support for some Arduino boards 

Arduino boards are build with AVR chipsets. Add some of these
boards:

  - Arduino Duemilanove
  - Arduino Uno
  - Arduino Mega

For more information:
  https://www.arduino.cc/en/Main/Products
  https://store.arduino.cc/arduino-genuino/most-popular

[AM: Remove word 'Atmel' from filenames and all elements of code]
Suggested-by: Aleksandar Markovic <aleksandar.m.mail@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Aleksandar Markovic <aleksandar.m.mail@gmail.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Joaquin de Andres <me@xcancerberox.com.ar>
[thuth: sysbus_init_child_obj() ==> object_initialize_child()]
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Message-Id: <20200705140315.260514-26-huth@tuxfamily.org>
This commit is contained in:
Philippe Mathieu-Daudé 2020-01-24 01:51:27 +01:00
parent af55b781aa
commit 50486d63fb
6 changed files with 165 additions and 0 deletions
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6
MAINTAINERS
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@ -991,6 +991,12 @@ F: hw/timer/avr_timer16.c
F: include/hw/misc/avr_power.h
F: hw/misc/avr_power.c
Arduino
M: Philippe Mathieu-Daudé <f4bug@amsat.org>
R: Sarah Harris <S.E.Harris@kent.ac.uk>
S: Maintained
F: hw/avr/arduino.c
CRIS Machines
-------------
Axis Dev88

4
default-configs/avr-softmmu.mak
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@ -1 +1,5 @@
# Default configuration for avr-softmmu
# Boards:
#
CONFIG_ARDUINO=y

1
hw/Kconfig
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@ -43,6 +43,7 @@ source watchdog/Kconfig
# arch Kconfig
source arm/Kconfig
source alpha/Kconfig
source avr/Kconfig
source cris/Kconfig
source hppa/Kconfig
source i386/Kconfig

4
hw/avr/Kconfig
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@ -3,3 +3,7 @@ config AVR_ATMEGA_MCU
select AVR_TIMER16
select AVR_USART
select AVR_POWER
config ARDUINO
select AVR_ATMEGA_MCU
select UNIMP

1
hw/avr/Makefile.objs
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@ -1,2 +1,3 @@
obj-y += boot.o
obj-$(CONFIG_AVR_ATMEGA_MCU) += atmega.o
obj-$(CONFIG_ARDUINO) += arduino.o

149
hw/avr/arduino.c Normal file
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@ -0,0 +1,149 @@
/*
* 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"
typedef struct ArduinoMachineState {
/*< private >*/
MachineState parent_obj;
/*< public >*/
AtmegaMcuState mcu;
} ArduinoMachineState;
typedef struct ArduinoMachineClass {
/*< private >*/
MachineClass parent_class;
/*< public >*/
const char *mcu_type;
uint64_t xtal_hz;
} ArduinoMachineClass;
#define TYPE_ARDUINO_MACHINE \
MACHINE_TYPE_NAME("arduino")
#define ARDUINO_MACHINE(obj) \
OBJECT_CHECK(ArduinoMachineState, (obj), TYPE_ARDUINO_MACHINE)
#define ARDUINO_MACHINE_CLASS(klass) \
OBJECT_CLASS_CHECK(ArduinoMachineClass, (klass), TYPE_ARDUINO_MACHINE)
#define ARDUINO_MACHINE_GET_CLASS(obj) \
OBJECT_GET_CLASS(ArduinoMachineClass, (obj), 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 */
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 */
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 */
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 */
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)