ibex_timer.h (1819B)
1 /* 2 * QEMU lowRISC Ibex Timer device 3 * 4 * Copyright (c) 2021 Western Digital 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #ifndef HW_IBEX_TIMER_H 26 #define HW_IBEX_TIMER_H 27 28 #include "hw/sysbus.h" 29 30 #define TYPE_IBEX_TIMER "ibex-timer" 31 OBJECT_DECLARE_SIMPLE_TYPE(IbexTimerState, IBEX_TIMER) 32 33 struct IbexTimerState { 34 /* <private> */ 35 SysBusDevice parent_obj; 36 uint64_t mtimecmp; 37 QEMUTimer *mtimer; /* Internal timer for M-mode interrupt */ 38 39 /* <public> */ 40 MemoryRegion mmio; 41 42 uint32_t timer_ctrl; 43 uint32_t timer_cfg0; 44 uint32_t timer_compare_lower0; 45 uint32_t timer_compare_upper0; 46 uint32_t timer_intr_enable; 47 uint32_t timer_intr_state; 48 49 uint32_t timebase_freq; 50 51 qemu_irq irq; 52 53 qemu_irq m_timer_irq; 54 }; 55 #endif /* HW_IBEX_TIMER_H */