xref: /qemu/hw/avr/atmega.h (revision 91d0d16b44c93fa82cf76ae12990ce3aa96096c9)
1  /*
2   * QEMU ATmega MCU
3   *
4   * Copyright (c) 2019-2020 Philippe Mathieu-Daudé
5   *
6   * This work is licensed under the terms of the GNU GPLv2 or later.
7   * See the COPYING file in the top-level directory.
8   * SPDX-License-Identifier: GPL-2.0-or-later
9   */
10  
11  #ifndef HW_AVR_ATMEGA_H
12  #define HW_AVR_ATMEGA_H
13  
14  #include "hw/char/avr_usart.h"
15  #include "hw/timer/avr_timer16.h"
16  #include "hw/misc/avr_power.h"
17  #include "target/avr/cpu.h"
18  #include "qom/object.h"
19  
20  #define TYPE_ATMEGA_MCU     "ATmega"
21  #define TYPE_ATMEGA168_MCU  "ATmega168"
22  #define TYPE_ATMEGA328_MCU  "ATmega328"
23  #define TYPE_ATMEGA1280_MCU "ATmega1280"
24  #define TYPE_ATMEGA2560_MCU "ATmega2560"
25  
26  typedef struct AtmegaMcuState AtmegaMcuState;
27  DECLARE_INSTANCE_CHECKER(AtmegaMcuState, ATMEGA_MCU,
28                           TYPE_ATMEGA_MCU)
29  
30  #define POWER_MAX 2
31  #define USART_MAX 4
32  #define TIMER_MAX 6
33  #define GPIO_MAX 12
34  
35  struct AtmegaMcuState {
36      /*< private >*/
37      SysBusDevice parent_obj;
38      /*< public >*/
39  
40      AVRCPU cpu;
41      MemoryRegion flash;
42      MemoryRegion eeprom;
43      MemoryRegion sram;
44      MemoryRegion sram_io;
45      DeviceState *io;
46      AVRMaskState pwr[POWER_MAX];
47      AVRUsartState usart[USART_MAX];
48      AVRTimer16State timer[TIMER_MAX];
49      uint64_t xtal_freq_hz;
50  };
51  
52  #endif /* HW_AVR_ATMEGA_H */
53