From b644d3e932f133bbb8b577c1965eae399b7df99e Mon Sep 17 00:00:00 2001
From: Aneesh Bansal <aneesh.bansal@freescale.com>
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 <aneesh.bansal@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
---
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