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| author | Paul Burton <paul.burton@imgtec.com> | 2016-09-08 15:51:52 +0100 |
|---|---|---|
| committer | Yongbok Kim <yongbok.kim@imgtec.com> | 2017-02-21 22:24:58 +0000 |
| commit | eb90ab9437ebb2dea77ebdf6c96488841ddbdd85 (patch) | |
| tree | bf55c239770cffee9c3e7bf1412482468b5bbb1a | |
| parent | 08944be1d91779aec4346cc569f87e4c915a944c (diff) | |
| download | qemu-eb90ab9437ebb2dea77ebdf6c96488841ddbdd85.zip qemu-eb90ab9437ebb2dea77ebdf6c96488841ddbdd85.tar.gz qemu-eb90ab9437ebb2dea77ebdf6c96488841ddbdd85.tar.bz2 | |
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: 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>
| -rw-r--r-- | hw/timer/mips_gictimer.c | 5 | ||||
| -rw-r--r-- | include/hw/timer/mips_gictimer.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/hw/timer/mips_gictimer.c b/hw/timer/mips_gictimer.c index 3698889..f5c5806 100644 --- a/hw/timer/mips_gictimer.c +++ b/hw/timer/mips_gictimer.c @@ -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) { diff --git a/include/hw/timer/mips_gictimer.h b/include/hw/timer/mips_gictimer.h index c8bc5d2..c7ca6c8 100644 --- a/include/hw/timer/mips_gictimer.h +++ b/include/hw/timer/mips_gictimer.h @@ -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, |