From b644d3e932f133bbb8b577c1965eae399b7df99e Mon Sep 17 00:00:00 2001 From: Aneesh Bansal Date: Tue, 8 Dec 2015 13:54:26 +0530 Subject: [PATCH] armv8: define usec2ticks function usec2ticks() function has been defined for ARMv8 which will be used by SEC Driver. Signed-off-by: Aneesh Bansal Reviewed-by: York Sun --- arch/arm/cpu/armv8/generic_timer.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/cpu/armv8/generic_timer.c b/arch/arm/cpu/armv8/generic_timer.c index 8e60baebc5..8f47a82043 100644 --- a/arch/arm/cpu/armv8/generic_timer.c +++ b/arch/arm/cpu/armv8/generic_timer.c @@ -40,3 +40,14 @@ unsigned long timer_read_counter(void) #endif return cntpct; } + +unsigned long usec2ticks(unsigned long usec) +{ + ulong ticks; + if (usec < 1000) + ticks = ((usec * (get_tbclk()/1000)) + 500) / 1000; + else + ticks = ((usec / 10) * (get_tbclk() / 100000)); + + return ticks; +} -- 2.39.5