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68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/*
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* SP804 Primecell Timer offsets
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*
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* Copyright (C) 2007 Bahadir Balban
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*
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*/
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#ifndef __SP804_TIMER_H__
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#define __SP804_TIMER_H__
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#define SP804_TIMER2_OFFSET 0x20
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/* Base address of Timers for differen platforms */
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#if defined(PLATFORM_PB926)
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#define TIMER0_PHYS_BASE 0x101E2000
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#define TIMER1_PHYS_BASE (TIMER0_PHYS_BASE + SP804_TIMER2_OFFSET)
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#define TIMER2_PHYS_BASE 0x101E3000
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#define TIMER3_PHYS_BASE (TIMER2_PHYS_BASE + SP804_TIMER2_OFFSET)
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#elif defined(PLATFORM_EB)
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#define TIMER0_PHYS_BASE 0x10011000
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#define TIMER1_PHYS_BASE (TIMER0_PHYS_BASE + SP804_TIMER2_OFFSET)
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#define TIMER2_PHYS_BASE 0x10012000
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#define TIMER3_PHYS_BASE (TIMER2_PHYS_BASE + SP804_TIMER2_OFFSET)
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#elif defined(PLATFORM_PB11MPCORE)
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#define TIMER0_PHYS_BASE 0x10011000
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#define TIMER1_PHYS_BASE (TIMER0_PHYS_BASE + SP804_TIMER2_OFFSET)
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#define TIMER2_PHYS_BASE 0x10012000
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#define TIMER3_PHYS_BASE (TIMER2_PHYS_BASE + SP804_TIMER2_OFFSET)
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#define TIMER4_PHYS_BASE 0x10018000
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#define TIMER5_PHYS_BASE (TIMER4_PHYS_BASE + SP804_TIMER2_OFFSET)
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#define TIMER6_PHYS_BASE 0x10019000
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#define TIMER7_PHYS_BASE (TIMER6_PHYS_BASE + SP804_TIMER2_OFFSET)
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#endif
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/* Run mode of timers */
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#define SP804_TIMER_RUNMODE_FREERUN 0
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#define SP804_TIMER_RUNMODE_PERIODIC 1
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/* Wrap mode of timers */
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#define SP804_TIMER_WRAPMODE_WRAPPING 0
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#define SP804_TIMER_WRAPMODE_ONESHOT 1
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/* Operational width of timer */
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#define SP804_TIMER_WIDTH16BIT 0
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#define SP804_TIMER_WIDTH32BIT 1
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/* Enable/disable irq on timer */
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#define SP804_TIMER_IRQDISABLE 0
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#define SP804_TIMER_IRQENABLE 1
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/* Register offsets */
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#define SP804_TIMERLOAD 0x0
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#define SP804_TIMERVALUE 0x4
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#define SP804_TIMERCONTROL 0x8
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#define SP804_TIMERINTCLR 0xC
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#define SP804_TIMERRIS 0x10
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#define SP804_TIMERMIS 0x14
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#define SP804_TIMERBGLOAD 0x18
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void sp804_init(unsigned int timer_base, int runmode, int wrapmode, \
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int width, int irq_enable);
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void sp804_irq_handler(unsigned int timer_base);
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void sp804_enable(unsigned int timer_base, int enable);
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void sp804_set_irq(unsigned int timer_base, int enable);
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unsigned int sp804_read_value(unsigned int timer_base);
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#endif /* __SP804_TIMER_H__ */
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