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hw/mips_gictimer: provide API for retrieving frequency

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Provide a new function mips_gictimer_get_freq() which returns the
frequency at which a GIC timer will count. This will be useful for
boards which perform setup based upon this frequency.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
This commit is contained in:
Paul Burton 2016-09-08 15:51:52 +01:00 committed by Yongbok Kim
parent 08944be1d9
commit eb90ab9437
2 changed files with 6 additions and 0 deletions
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5
hw/timer/mips_gictimer.c
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@ -14,6 +14,11 @@
#define TIMER_PERIOD 10 /* 10 ns period for 100 Mhz frequency */
uint32_t mips_gictimer_get_freq(MIPSGICTimerState *gic)
{
return NANOSECONDS_PER_SECOND / TIMER_PERIOD;
}
static void gic_vptimer_update(MIPSGICTimerState *gictimer,
uint32_t vp_index, uint64_t now)
{

1
include/hw/timer/mips_gictimer.h
View File

@ -31,6 +31,7 @@ struct MIPSGICTimerState {
MIPSGICTimerCB *cb;
};
uint32_t mips_gictimer_get_freq(MIPSGICTimerState *gic);
uint32_t mips_gictimer_get_sh_count(MIPSGICTimerState *gic);
void mips_gictimer_store_sh_count(MIPSGICTimerState *gic, uint64_t count);
uint32_t mips_gictimer_get_vp_compare(MIPSGICTimerState *gictimer,