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allwinner-a10-pit: implement prescaler and source selection

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This implements the prescaler and source fields of the timer control
register. The source for each timer can be selected among 4 clock
inputs whose frequencies are set through model properties.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1395771730-16882-6-git-send-email-b.galvani@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Beniamino Galvani 2014-03-25 19:22:08 +01:00 • committed by Peter Maydell
parent a63f9f85e3
commit 286226a479
3 changed files with 41 additions and 1 deletions
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1
include/hw/timer/allwinner-a10-pit.h
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@ -50,6 +50,7 @@ struct AwA10PITState {
ptimer_state * timer[AW_A10_PIT_TIMER_NR];
AwA10TimerContext timer_context[AW_A10_PIT_TIMER_NR];
MemoryRegion iomem;
uint32_t clk_freq[4];
uint32_t irq_enable;
uint32_t irq_status;