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hw/timer: Refactor NPCM7XX Timer to use CLK clock

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This patch makes NPCM7XX Timer to use a the timer clock generated by the
CLK module instead of the magic number TIMER_REF_HZ.

Reviewed-by: Havard Skinnemoen <hskinnemoen@google.com>
Reviewed-by: Tyrone Ting <kfting@nuvoton.com>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20210108190945.949196-3-wuhaotsh@google.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Hao Wu 2021-01-08 11:09:41 -08:00 • committed by Peter Maydell
parent bcda710f6c
commit 0be12dc76a
4 changed files with 24 additions and 27 deletions
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6
include/hw/misc/npcm7xx_clk.h
View file

@ -20,12 +20,6 @@
#include "hw/clock.h"
#include "hw/sysbus.h"
/*
* The reference clock frequency for the timer modules, and the SECCNT and
* CNTR25M registers in this module, is always 25 MHz.
*/
#define NPCM7XX_TIMER_REF_HZ (25000000)
/*
* Number of registers in our device state structure. Don't change this without
* incrementing the version_id in the vmstate.

1
include/hw/timer/npcm7xx_timer.h
View file

@ -101,6 +101,7 @@ struct NPCM7xxTimerCtrlState {
uint32_t tisr;
Clock *clock;
NPCM7xxTimer timer[NPCM7XX_TIMERS_PER_CTRL];
NPCM7xxWatchdogTimer watchdog_timer;
};