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exynos: Export timer_get_us() to get microsecond timer

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This function, if implemented by the board, provides a microsecond
timer. The granularity may be larger than 1us if hardware does not
support this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Rajeshwari S Shinde <rajeshwari.s@samsung.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
This commit is contained in:
Rajeshwari Shinde
2013-10-08 16:20:03 +05:30
committed by Jagannadha Sutradharudu Teki
parent 3cfcf774c2
commit fc9ae1bac4
1 changed files with 6 additions and 0 deletions
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6
include/common.h
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@@ -596,6 +596,12 @@ void ddr_enable_ecc(unsigned int dram_size);
#endif
#endif
/*
* Return the current value of a monotonically increasing microsecond timer.
* Granularity may be larger than 1us if hardware does not support this.
*/
ulong timer_get_us(void);
/* $(CPU)/cpu.c */
static inline int cpumask_next(int cpu, unsigned int mask)
{