From: Paul Burton <paul.burton@imgtec.com>
Date: Thu, 8 Sep 2016 14:51:52 +0000 (+0100)
Subject: hw/mips_gictimer: provide API for retrieving frequency
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=eb90ab9437ebb2dea77ebdf6c96488841ddbdd85;p=qmiga%2Fqemu.git

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>
---

diff --git a/hw/timer/mips_gictimer.c b/hw/timer/mips_gictimer.c
index 3698889475..f5c5806724 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 c8bc5d2541..c7ca6c821d 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,