Commit eb90ab94 authored by Paul Burton's avatar Paul Burton Committed by Yongbok Kim
Browse files

hw/mips_gictimer: provide API for retrieving frequency 



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: default avatarPaul Burton <paul.burton@imgtec.com>
Reviewed-by: default avatarLeon Alrae <leon.alrae@imgtec.com>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: default avatarYongbok Kim <yongbok.kim@imgtec.com>
parent 08944be1

hw/timer/mips_gictimer.c

+5 −0
Original line number Diff line number Diff line
@@ -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)

{

include/hw/timer/mips_gictimer.h

+1 −0
Original line number Diff line number Diff line
@@ -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,