hsw: timer: HSW/BDW use DSP core timers and have no ext timer.

lrgirdwo · lrgirdwo · commit 0b400a2bdc6c · 2018-03-12T12:12:13.000Z
HSW/BDW both use internal core DSP timers and dont have any external
timer.

Signed-off-by: Liam Girdwood &lt;liam.r.girdwood@linux.intel.com&gt;
diff --git a/src/platform/haswell/timer.c b/src/platform/haswell/timer.c
@@ -37,24 +37,27 @@
 
 void platform_timer_start(struct timer *timer)
 {
+	arch_timer_enable(timer);
 }
 
 void platform_timer_stop(struct timer *timer)
 {
+	arch_timer_disable(timer);
 }
 
 int platform_timer_set(struct timer *timer, uint64_t ticks)
 {
-	return 0;
+	return arch_timer_set(timer, ticks);
 }
 
 void platform_timer_clear(struct timer *timer)
 {
+	arch_timer_clear(timer);
 }
 
 uint64_t platform_timer_get(struct timer *timer)
 {
-	return 0;
+	return arch_timer_get_system(timer);
 }
 
 /* get timestamp for host stream DMA position */

Original file line number	Diff line number	Diff line change
`@@ -37,24 +37,27 @@`
`37`	`37`
`38`	`38`	`void platform_timer_start(struct timer *timer)`
`39`	`39`	`{`
	`40`	`+ arch_timer_enable(timer);`
`40`	`41`	`}`
`41`	`42`
`42`	`43`	`void platform_timer_stop(struct timer *timer)`
`43`	`44`	`{`
	`45`	`+ arch_timer_disable(timer);`
`44`	`46`	`}`
`45`	`47`
`46`	`48`	`int platform_timer_set(struct timer *timer, uint64_t ticks)`
`47`	`49`	`{`
`48`		`- return 0;`
	`50`	`+ return arch_timer_set(timer, ticks);`
`49`	`51`	`}`
`50`	`52`
`51`	`53`	`void platform_timer_clear(struct timer *timer)`
`52`	`54`	`{`
	`55`	`+ arch_timer_clear(timer);`
`53`	`56`	`}`
`54`	`57`
`55`	`58`	`uint64_t platform_timer_get(struct timer *timer)`
`56`	`59`	`{`
`57`		`- return 0;`
	`60`	`+ return arch_timer_get_system(timer);`
`58`	`61`	`}`
`59`	`62`
`60`	`63`	`/* get timestamp for host stream DMA position */`