xref: /openbmc/qemu/hw/avr/atmega.h (revision 7f6c3d1a)
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     DeviceState *io;
45     AVRMaskState pwr[POWER_MAX];
46     AVRUsartState usart[USART_MAX];
47     AVRTimer16State timer[TIMER_MAX];
48     uint64_t xtal_freq_hz;
49 };
50 
51 #endif /* HW_AVR_ATMEGA_H */
52