| 1 | /* |
| 2 | * BCM2835 SYS timer emulation |
| 3 | * |
| 4 | * Copyright (c) 2019 Philippe Mathieu-Daudé |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 7 | */ |
| 8 | |
| 9 | #ifndef BCM2835_SYSTMR_H |
| 10 | #define BCM2835_SYSTMR_H |
| 11 | |
| 12 | #include "hw/core/sysbus.h" |
| 13 | #include "hw/core/irq.h" |
| 14 | #include "qemu/timer.h" |
| 15 | #include "qom/object.h" |
| 16 | |
| 17 | #define TYPE_BCM2835_SYSTIMER "bcm2835-sys-timer" |
| 18 | OBJECT_DECLARE_SIMPLE_TYPE(BCM2835SystemTimerState, BCM2835_SYSTIMER) |
| 19 | |
| 20 | #define BCM2835_SYSTIMER_COUNT 4 |
| 21 | |
| 22 | typedef struct { |
| 23 | unsigned id; |
| 24 | QEMUTimer timer; |
| 25 | qemu_irq irq; |
| 26 | BCM2835SystemTimerState *state; |
| 27 | } BCM2835SystemTimerCompare; |
| 28 | |
| 29 | struct BCM2835SystemTimerState { |
| 30 | /*< private >*/ |
| 31 | SysBusDevice parent_obj; |
| 32 | |
| 33 | /*< public >*/ |
| 34 | MemoryRegion iomem; |
| 35 | struct { |
| 36 | uint32_t ctrl_status; |
| 37 | uint32_t compare[BCM2835_SYSTIMER_COUNT]; |
| 38 | } reg; |
| 39 | BCM2835SystemTimerCompare tmr[BCM2835_SYSTIMER_COUNT]; |
| 40 | }; |
| 41 | |
| 42 | #endif |