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Diffstat (limited to 'include/hw/timer/aspeed_timer.h')
| -rw-r--r-- | include/hw/timer/aspeed_timer.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/hw/timer/aspeed_timer.h b/include/hw/timer/aspeed_timer.h new file mode 100644 index 0000000000..44dc2f89d5 --- /dev/null +++ b/include/hw/timer/aspeed_timer.h @@ -0,0 +1,59 @@ +/* + * ASPEED AST2400 Timer + * + * Andrew Jeffery <andrew@aj.id.au> + * + * Copyright (C) 2016 IBM Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#ifndef ASPEED_TIMER_H +#define ASPEED_TIMER_H + +#include "hw/ptimer.h" + +#define ASPEED_TIMER(obj) \ + OBJECT_CHECK(AspeedTimerCtrlState, (obj), TYPE_ASPEED_TIMER); +#define TYPE_ASPEED_TIMER "aspeed.timer" +#define ASPEED_TIMER_NR_TIMERS 8 + +typedef struct AspeedTimer { + qemu_irq irq; + + uint8_t id; + + /** + * Track the line level as the ASPEED timers implement edge triggered + * interrupts, signalling with both the rising and falling edge. + */ + int32_t level; + ptimer_state *timer; + uint32_t reload; + uint32_t match[2]; +} AspeedTimer; + +typedef struct AspeedTimerCtrlState { + /*< private >*/ + SysBusDevice parent; + + /*< public >*/ + MemoryRegion iomem; + + uint32_t ctrl; + uint32_t ctrl2; + AspeedTimer timers[ASPEED_TIMER_NR_TIMERS]; +} AspeedTimerCtrlState; + +#endif /* ASPEED_TIMER_H */ |