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[/] [c0or1k/] [trunk/] [include/] [l4/] [drivers/] [timer/] [sp804/] [timer.h] - Rev 2
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/* * SP804 Primecell Timer offsets * * Copyright (C) 2007 Bahadir Balban * */ #ifndef __SP804_TIMER_H__ #define __SP804_TIMER_H__ #include INC_ARCH(io.h) /* Register offsets */ #define SP804_LOAD 0x0 #define SP804_VALUE 0x4 #define SP804_CTRL 0x8 #define SP804_INTCLR 0xC #define SP804_RIS 0x10 #define SP804_MIS 0x14 #define SP804_BGLOAD 0x18 #define SP804_ENABLE (1 << 7) #define SP804_PERIODIC (1 << 6) #define SP804_IRQEN (1 << 5) #define SP804_32BIT (1 << 1) #define SP804_ONESHOT (1 << 0) #define SP804_SECONDARY_OFFSET 0x20 /* Timer prescaling */ #define SP804_SCALE_SHIFT 2 #define SP804_SCALE_DIV16 1 #define SP804_SCALE_DIV256 2 /* Wrapping = 0, Oneshot = 1 */ #define SP804_ONESHOT (1 << 0) unsigned long timer_secondary_base(unsigned long timer_base); void timer_irq_clear(unsigned long timer_base); void timer_start(unsigned long timer_base); void timer_load(u32 loadval, unsigned long timer_base); u32 timer_read(unsigned long timer_base); void timer_stop(unsigned long timer_base); void timer_init_periodic(unsigned long timer_base, unsigned int load_value); void timer_init_oneshot(unsigned long timer_base); void timer_init(unsigned long timer_base, unsigned int load_value); #endif /* __SP804_TIMER_H__ */