Provide support for microsecond level timer support.
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
arch/arm/cpu/armv7/u8500/timer.c | 5 +++++
include/common.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/arch/arm/cpu/armv7/u8500/timer.c b/arch/arm/cpu/armv7/u8500/timer.c
index 40326d8..d9a6a2d 100644
--- a/arch/arm/cpu/armv7/u8500/timer.c
+++ b/arch/arm/cpu/armv7/u8500/timer.c
@@ -129,6 +129,11 @@ ulong get_timer(ulong base)
return get_timer_masked() - base;
}
+u64 get_timer_us(void)
+{
+ return COUNT_TO_USEC(READ_TIMER());
+}
+
/*
* Emulation of Power architecture long long timebase.
*
diff --git a/include/common.h b/include/common.h
index 5e3c5ee..5d24add 100644
--- a/include/common.h
+++ b/include/common.h
@@ -690,6 +690,7 @@ void irq_install_handler(int, interrupt_handler_t *,
void *);
void irq_free_handler (int);
void reset_timer (void);
ulong get_timer (ulong base);
+ulong get_timer_us (void);
void enable_interrupts (void);
int disable_interrupts (void);
--
1.7.9.5
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