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| 2 | |
| 3 | * goldfish-timer clocksource
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| 4 | * Registers definition for the goldfish-timer device
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| 5 |
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| 6 |
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| 7 | #ifndef _CLOCKSOURCE_TIMER_GOLDFISH_H
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| 8 | #define _CLOCKSOURCE_TIMER_GOLDFISH_H
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| 9 |
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| 10 | |
| 11 | * TIMER_TIME_LOW get low bits of current time and update TIMER_TIME_HIGH
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| 12 | * TIMER_TIME_HIGH get high bits of time at last TIMER_TIME_LOW read
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| 13 | * TIMER_ALARM_LOW set low bits of alarm and activate it
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| 14 | * TIMER_ALARM_HIGH set high bits of next alarm
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| 15 | * TIMER_IRQ_ENABLED enable alarm interrupt
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| 16 | * TIMER_CLEAR_ALARM disarm an existing alarm
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| 17 | * TIMER_ALARM_STATUS alarm status (running or not)
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| 18 | * TIMER_CLEAR_INTERRUPT clear interrupt
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| 19 |
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| 20 | #define TIMER_TIME_LOW 0x00
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| 21 | #define TIMER_TIME_HIGH 0x04
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| 22 | #define TIMER_ALARM_LOW 0x08
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| 23 | #define TIMER_ALARM_HIGH 0x0c
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| 24 | #define TIMER_IRQ_ENABLED 0x10
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| 25 | #define TIMER_CLEAR_ALARM 0x14
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| 26 | #define TIMER_ALARM_STATUS 0x18
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| 27 | #define TIMER_CLEAR_INTERRUPT 0x1c
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| 28 |
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| 29 | extern int goldfish_timer_init(int irq, void __iomem *base);
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| 30 |
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| 31 | #endif
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