From: Rajeshwari Shinde rajeshwari.s@samsung.com
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 --- include/common.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/include/common.h b/include/common.h index 8addf43..42964bc 100644 --- a/include/common.h +++ b/include/common.h @@ -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) {