diff options
author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-01-24 01:51:27 +0100 |
---|---|---|
committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-07-11 11:02:05 +0200 |
commit | 50486d63fba7451b7a04bf85cec61369391a90c6 (patch) | |
tree | 2291354a54ad9c0f2b1ff0d255c8e201794e1ba5 /hw | |
parent | af55b781aaf2f50a00869a0c9fdab521f8ba78ea (diff) |
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>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/Kconfig | 1 | ||||
-rw-r--r-- | hw/avr/Kconfig | 4 | ||||
-rw-r--r-- | hw/avr/Makefile.objs | 1 | ||||
-rw-r--r-- | hw/avr/arduino.c | 149 |
4 files changed, 155 insertions, 0 deletions
diff --git a/hw/Kconfig b/hw/Kconfig index 62f9ebdc22..4de1797ffd 100644 --- a/hw/Kconfig +++ b/hw/Kconfig @@ -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 diff --git a/hw/avr/Kconfig b/hw/avr/Kconfig index 9e6527e1f3..d31298c3cc 100644 --- a/hw/avr/Kconfig +++ b/hw/avr/Kconfig @@ -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 diff --git a/hw/avr/Makefile.objs b/hw/avr/Makefile.objs index af0fddeb13..4dca064bfc 100644 --- a/hw/avr/Makefile.objs +++ b/hw/avr/Makefile.objs @@ -1,2 +1,3 @@ obj-y += boot.o obj-$(CONFIG_AVR_ATMEGA_MCU) += atmega.o +obj-$(CONFIG_ARDUINO) += arduino.o diff --git a/hw/avr/arduino.c b/hw/avr/arduino.c new file mode 100644 index 0000000000..65093ab6fd --- /dev/null +++ b/hw/avr/arduino.c @@ -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) |