block/export: Add query-block-exports
[qemu.git] / include / hw / timer / nrf51_timer.h
1 /*
2 * nRF51 System-on-Chip Timer peripheral
3 *
4 * QEMU interface:
5 * + sysbus MMIO regions 0: GPIO registers
6 * + sysbus irq
7 *
8 * Copyright 2018 Steffen Görtz <contrib@steffen-goertz.de>
9 *
10 * This code is licensed under the GPL version 2 or later. See
11 * the COPYING file in the top-level directory.
12 */
13 #ifndef NRF51_TIMER_H
14 #define NRF51_TIMER_H
15
16 #include "hw/sysbus.h"
17 #include "qemu/timer.h"
18 #include "qom/object.h"
19 #define TYPE_NRF51_TIMER "nrf51_soc.timer"
20 OBJECT_DECLARE_SIMPLE_TYPE(NRF51TimerState, NRF51_TIMER)
21
22 #define NRF51_TIMER_REG_COUNT 4
23
24 #define NRF51_TIMER_TASK_START 0x000
25 #define NRF51_TIMER_TASK_STOP 0x004
26 #define NRF51_TIMER_TASK_COUNT 0x008
27 #define NRF51_TIMER_TASK_CLEAR 0x00C
28 #define NRF51_TIMER_TASK_SHUTDOWN 0x010
29 #define NRF51_TIMER_TASK_CAPTURE_0 0x040
30 #define NRF51_TIMER_TASK_CAPTURE_3 0x04C
31
32 #define NRF51_TIMER_EVENT_COMPARE_0 0x140
33 #define NRF51_TIMER_EVENT_COMPARE_1 0x144
34 #define NRF51_TIMER_EVENT_COMPARE_2 0x148
35 #define NRF51_TIMER_EVENT_COMPARE_3 0x14C
36
37 #define NRF51_TIMER_REG_SHORTS 0x200
38 #define NRF51_TIMER_REG_SHORTS_MASK 0xf0f
39 #define NRF51_TIMER_REG_INTENSET 0x304
40 #define NRF51_TIMER_REG_INTENCLR 0x308
41 #define NRF51_TIMER_REG_INTEN_MASK 0xf0000
42 #define NRF51_TIMER_REG_MODE 0x504
43 #define NRF51_TIMER_REG_MODE_MASK 0x01
44 #define NRF51_TIMER_TIMER 0
45 #define NRF51_TIMER_COUNTER 1
46 #define NRF51_TIMER_REG_BITMODE 0x508
47 #define NRF51_TIMER_REG_BITMODE_MASK 0x03
48 #define NRF51_TIMER_WIDTH_16 0
49 #define NRF51_TIMER_WIDTH_8 1
50 #define NRF51_TIMER_WIDTH_24 2
51 #define NRF51_TIMER_WIDTH_32 3
52 #define NRF51_TIMER_REG_PRESCALER 0x510
53 #define NRF51_TIMER_REG_PRESCALER_MASK 0x0F
54 #define NRF51_TIMER_REG_CC0 0x540
55 #define NRF51_TIMER_REG_CC3 0x54C
56
57 struct NRF51TimerState {
58 SysBusDevice parent_obj;
59
60 MemoryRegion iomem;
61 qemu_irq irq;
62
63 uint8_t id;
64 QEMUTimer timer;
65 int64_t timer_start_ns;
66 int64_t update_counter_ns;
67 uint32_t counter;
68
69 bool running;
70
71 uint8_t events_compare[NRF51_TIMER_REG_COUNT];
72 uint32_t cc[NRF51_TIMER_REG_COUNT];
73 uint32_t shorts;
74 uint32_t inten;
75 uint32_t mode;
76 uint32_t bitmode;
77 uint32_t prescaler;
78
79 };
80
81
82 #endif