Reload address was written to the counter register instead of load register. The problem happens when timer expires but never reload to ~0UL (it is downcount timer).
Reported-by: Stephen MacMahon stephenm@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com
--- arch/arm/cpu/armv7/zynq/timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/cpu/armv7/zynq/timer.c b/arch/arm/cpu/armv7/zynq/timer.c index 0133565..3b8d949 100644 --- a/arch/arm/cpu/armv7/zynq/timer.c +++ b/arch/arm/cpu/armv7/zynq/timer.c @@ -57,7 +57,7 @@ int timer_init(void) SCUTIMER_CONTROL_ENABLE_MASK;
/* Load the timer counter register */ - writel(0xFFFFFFFF, &timer_base->counter); + writel(0xFFFFFFFF, &timer_base->load);
/* * Start the A9Timer device -- 1.8.2.3