1*c04bd47dSAndrew Jeffery /* 2*c04bd47dSAndrew Jeffery * ASPEED AST2400 Timer 3*c04bd47dSAndrew Jeffery * 4*c04bd47dSAndrew Jeffery * Andrew Jeffery <andrew@aj.id.au> 5*c04bd47dSAndrew Jeffery * 6*c04bd47dSAndrew Jeffery * Copyright (C) 2016 IBM Corp. 7*c04bd47dSAndrew Jeffery * 8*c04bd47dSAndrew Jeffery * This program is free software; you can redistribute it and/or modify 9*c04bd47dSAndrew Jeffery * it under the terms of the GNU General Public License as published by 10*c04bd47dSAndrew Jeffery * the Free Software Foundation; either version 2 of the License, or 11*c04bd47dSAndrew Jeffery * (at your option) any later version. 12*c04bd47dSAndrew Jeffery * 13*c04bd47dSAndrew Jeffery * This program is distributed in the hope that it will be useful, 14*c04bd47dSAndrew Jeffery * but WITHOUT ANY WARRANTY; without even the implied warranty of 15*c04bd47dSAndrew Jeffery * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16*c04bd47dSAndrew Jeffery * GNU General Public License for more details. 17*c04bd47dSAndrew Jeffery * 18*c04bd47dSAndrew Jeffery * You should have received a copy of the GNU General Public License along 19*c04bd47dSAndrew Jeffery * with this program; if not, write to the Free Software Foundation, Inc., 20*c04bd47dSAndrew Jeffery * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 21*c04bd47dSAndrew Jeffery */ 22*c04bd47dSAndrew Jeffery #ifndef ASPEED_TIMER_H 23*c04bd47dSAndrew Jeffery #define ASPEED_TIMER_H 24*c04bd47dSAndrew Jeffery 25*c04bd47dSAndrew Jeffery #include "hw/ptimer.h" 26*c04bd47dSAndrew Jeffery 27*c04bd47dSAndrew Jeffery #define ASPEED_TIMER(obj) \ 28*c04bd47dSAndrew Jeffery OBJECT_CHECK(AspeedTimerCtrlState, (obj), TYPE_ASPEED_TIMER); 29*c04bd47dSAndrew Jeffery #define TYPE_ASPEED_TIMER "aspeed.timer" 30*c04bd47dSAndrew Jeffery #define ASPEED_TIMER_NR_TIMERS 8 31*c04bd47dSAndrew Jeffery 32*c04bd47dSAndrew Jeffery typedef struct AspeedTimer { 33*c04bd47dSAndrew Jeffery qemu_irq irq; 34*c04bd47dSAndrew Jeffery 35*c04bd47dSAndrew Jeffery uint8_t id; 36*c04bd47dSAndrew Jeffery 37*c04bd47dSAndrew Jeffery /** 38*c04bd47dSAndrew Jeffery * Track the line level as the ASPEED timers implement edge triggered 39*c04bd47dSAndrew Jeffery * interrupts, signalling with both the rising and falling edge. 40*c04bd47dSAndrew Jeffery */ 41*c04bd47dSAndrew Jeffery int32_t level; 42*c04bd47dSAndrew Jeffery ptimer_state *timer; 43*c04bd47dSAndrew Jeffery uint32_t reload; 44*c04bd47dSAndrew Jeffery uint32_t match[2]; 45*c04bd47dSAndrew Jeffery } AspeedTimer; 46*c04bd47dSAndrew Jeffery 47*c04bd47dSAndrew Jeffery typedef struct AspeedTimerCtrlState { 48*c04bd47dSAndrew Jeffery /*< private >*/ 49*c04bd47dSAndrew Jeffery SysBusDevice parent; 50*c04bd47dSAndrew Jeffery 51*c04bd47dSAndrew Jeffery /*< public >*/ 52*c04bd47dSAndrew Jeffery MemoryRegion iomem; 53*c04bd47dSAndrew Jeffery 54*c04bd47dSAndrew Jeffery uint32_t ctrl; 55*c04bd47dSAndrew Jeffery uint32_t ctrl2; 56*c04bd47dSAndrew Jeffery AspeedTimer timers[ASPEED_TIMER_NR_TIMERS]; 57*c04bd47dSAndrew Jeffery } AspeedTimerCtrlState; 58*c04bd47dSAndrew Jeffery 59*c04bd47dSAndrew Jeffery #endif /* ASPEED_TIMER_H */ 60