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55 lines
1.7 KiB
55 lines
1.7 KiB
/* |
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* (C) Copyright 2009 Intel Corporation |
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* Author: Jacob Pan (jacob.jun.pan@intel.com) |
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* |
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* Shared with ARM platforms, Jamie Iles, Picochip 2011 |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* Support for the Synopsys DesignWare APB Timers. |
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*/ |
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#ifndef __DW_APB_TIMER_H__ |
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#define __DW_APB_TIMER_H__ |
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#include <linux/clockchips.h> |
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#include <linux/clocksource.h> |
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#include <linux/interrupt.h> |
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#define APBTMRS_REG_SIZE 0x14 |
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struct dw_apb_timer { |
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void __iomem *base; |
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unsigned long freq; |
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int irq; |
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}; |
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struct dw_apb_clock_event_device { |
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struct clock_event_device ced; |
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struct dw_apb_timer timer; |
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struct irqaction irqaction; |
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void (*eoi)(struct dw_apb_timer *); |
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}; |
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struct dw_apb_clocksource { |
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struct dw_apb_timer timer; |
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struct clocksource cs; |
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}; |
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void dw_apb_clockevent_register(struct dw_apb_clock_event_device *dw_ced); |
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void dw_apb_clockevent_pause(struct dw_apb_clock_event_device *dw_ced); |
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void dw_apb_clockevent_resume(struct dw_apb_clock_event_device *dw_ced); |
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void dw_apb_clockevent_stop(struct dw_apb_clock_event_device *dw_ced); |
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struct dw_apb_clock_event_device * |
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dw_apb_clockevent_init(int cpu, const char *name, unsigned rating, |
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void __iomem *base, int irq, unsigned long freq); |
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struct dw_apb_clocksource * |
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dw_apb_clocksource_init(unsigned rating, const char *name, void __iomem *base, |
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unsigned long freq); |
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void dw_apb_clocksource_register(struct dw_apb_clocksource *dw_cs); |
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void dw_apb_clocksource_start(struct dw_apb_clocksource *dw_cs); |
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cycle_t dw_apb_clocksource_read(struct dw_apb_clocksource *dw_cs); |
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#endif /* __DW_APB_TIMER_H__ */
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