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Diffstat (limited to 'arch/arm/mach-omap2/timer.c')
-rw-r--r--arch/arm/mach-omap2/timer.c35
1 files changed, 8 insertions, 27 deletions
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index b8ad6e632bb8..d86074745c50 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -131,7 +131,6 @@ static void omap2_gp_timer_set_mode(enum clock_event_mode mode,
131static struct clock_event_device clockevent_gpt = { 131static struct clock_event_device clockevent_gpt = {
132 .name = "gp_timer", 132 .name = "gp_timer",
133 .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, 133 .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
134 .shift = 32,
135 .rating = 300, 134 .rating = 300,
136 .set_next_event = omap2_gp_timer_set_next_event, 135 .set_next_event = omap2_gp_timer_set_next_event,
137 .set_mode = omap2_gp_timer_set_mode, 136 .set_mode = omap2_gp_timer_set_mode,
@@ -336,17 +335,11 @@ static void __init omap2_gp_clockevent_init(int gptimer_id,
336 335
337 __omap_dm_timer_int_enable(&clkev, OMAP_TIMER_INT_OVERFLOW); 336 __omap_dm_timer_int_enable(&clkev, OMAP_TIMER_INT_OVERFLOW);
338 337
339 clockevent_gpt.mult = div_sc(clkev.rate, NSEC_PER_SEC,
340 clockevent_gpt.shift);
341 clockevent_gpt.max_delta_ns =
342 clockevent_delta2ns(0xffffffff, &clockevent_gpt);
343 clockevent_gpt.min_delta_ns =
344 clockevent_delta2ns(3, &clockevent_gpt);
345 /* Timer internal resynch latency. */
346
347 clockevent_gpt.cpumask = cpu_possible_mask; 338 clockevent_gpt.cpumask = cpu_possible_mask;
348 clockevent_gpt.irq = omap_dm_timer_get_irq(&clkev); 339 clockevent_gpt.irq = omap_dm_timer_get_irq(&clkev);
349 clockevents_register_device(&clockevent_gpt); 340 clockevents_config_and_register(&clockevent_gpt, clkev.rate,
341 3, /* Timer internal resynch latency */
342 0xffffffff);
350 343
351 pr_info("OMAP clockevent source: GPTIMER%d at %lu Hz\n", 344 pr_info("OMAP clockevent source: GPTIMER%d at %lu Hz\n",
352 gptimer_id, clkev.rate); 345 gptimer_id, clkev.rate);
@@ -552,7 +545,7 @@ static inline void __init realtime_counter_init(void)
552 545
553#define OMAP_SYS_GP_TIMER_INIT(name, clkev_nr, clkev_src, clkev_prop, \ 546#define OMAP_SYS_GP_TIMER_INIT(name, clkev_nr, clkev_src, clkev_prop, \
554 clksrc_nr, clksrc_src) \ 547 clksrc_nr, clksrc_src) \
555static void __init omap##name##_gptimer_timer_init(void) \ 548void __init omap##name##_gptimer_timer_init(void) \
556{ \ 549{ \
557 omap_dmtimer_init(); \ 550 omap_dmtimer_init(); \
558 omap2_gp_clockevent_init((clkev_nr), clkev_src, clkev_prop); \ 551 omap2_gp_clockevent_init((clkev_nr), clkev_src, clkev_prop); \
@@ -561,7 +554,7 @@ static void __init omap##name##_gptimer_timer_init(void) \
561 554
562#define OMAP_SYS_32K_TIMER_INIT(name, clkev_nr, clkev_src, clkev_prop, \ 555#define OMAP_SYS_32K_TIMER_INIT(name, clkev_nr, clkev_src, clkev_prop, \
563 clksrc_nr, clksrc_src) \ 556 clksrc_nr, clksrc_src) \
564static void __init omap##name##_sync32k_timer_init(void) \ 557void __init omap##name##_sync32k_timer_init(void) \
565{ \ 558{ \
566 omap_dmtimer_init(); \ 559 omap_dmtimer_init(); \
567 omap2_gp_clockevent_init((clkev_nr), clkev_src, clkev_prop); \ 560 omap2_gp_clockevent_init((clkev_nr), clkev_src, clkev_prop); \
@@ -572,33 +565,23 @@ static void __init omap##name##_sync32k_timer_init(void) \
572 omap2_sync32k_clocksource_init(); \ 565 omap2_sync32k_clocksource_init(); \
573} 566}
574 567
575#define OMAP_SYS_TIMER(name, clksrc) \
576struct sys_timer omap##name##_timer = { \
577 .init = omap##name##_##clksrc##_timer_init, \
578};
579
580#ifdef CONFIG_ARCH_OMAP2 568#ifdef CONFIG_ARCH_OMAP2
581OMAP_SYS_32K_TIMER_INIT(2, 1, OMAP2_32K_SOURCE, "ti,timer-alwon", 569OMAP_SYS_32K_TIMER_INIT(2, 1, OMAP2_32K_SOURCE, "ti,timer-alwon",
582 2, OMAP2_MPU_SOURCE); 570 2, OMAP2_MPU_SOURCE);
583OMAP_SYS_TIMER(2, sync32k);
584#endif /* CONFIG_ARCH_OMAP2 */ 571#endif /* CONFIG_ARCH_OMAP2 */
585 572
586#ifdef CONFIG_ARCH_OMAP3 573#ifdef CONFIG_ARCH_OMAP3
587OMAP_SYS_32K_TIMER_INIT(3, 1, OMAP3_32K_SOURCE, "ti,timer-alwon", 574OMAP_SYS_32K_TIMER_INIT(3, 1, OMAP3_32K_SOURCE, "ti,timer-alwon",
588 2, OMAP3_MPU_SOURCE); 575 2, OMAP3_MPU_SOURCE);
589OMAP_SYS_TIMER(3, sync32k);
590OMAP_SYS_32K_TIMER_INIT(3_secure, 12, OMAP3_32K_SOURCE, "ti,timer-secure", 576OMAP_SYS_32K_TIMER_INIT(3_secure, 12, OMAP3_32K_SOURCE, "ti,timer-secure",
591 2, OMAP3_MPU_SOURCE); 577 2, OMAP3_MPU_SOURCE);
592OMAP_SYS_TIMER(3_secure, sync32k);
593OMAP_SYS_GP_TIMER_INIT(3_gp, 1, OMAP3_MPU_SOURCE, "ti,timer-alwon", 578OMAP_SYS_GP_TIMER_INIT(3_gp, 1, OMAP3_MPU_SOURCE, "ti,timer-alwon",
594 2, OMAP3_MPU_SOURCE); 579 2, OMAP3_MPU_SOURCE);
595OMAP_SYS_TIMER(3_gp, gptimer);
596#endif /* CONFIG_ARCH_OMAP3 */ 580#endif /* CONFIG_ARCH_OMAP3 */
597 581
598#ifdef CONFIG_SOC_AM33XX 582#ifdef CONFIG_SOC_AM33XX
599OMAP_SYS_GP_TIMER_INIT(3_am33xx, 1, OMAP4_MPU_SOURCE, "ti,timer-alwon", 583OMAP_SYS_GP_TIMER_INIT(3_am33xx, 1, OMAP4_MPU_SOURCE, "ti,timer-alwon",
600 2, OMAP4_MPU_SOURCE); 584 2, OMAP4_MPU_SOURCE);
601OMAP_SYS_TIMER(3_am33xx, gptimer);
602#endif /* CONFIG_SOC_AM33XX */ 585#endif /* CONFIG_SOC_AM33XX */
603 586
604#ifdef CONFIG_ARCH_OMAP4 587#ifdef CONFIG_ARCH_OMAP4
@@ -606,7 +589,7 @@ OMAP_SYS_32K_TIMER_INIT(4, 1, OMAP4_32K_SOURCE, "ti,timer-alwon",
606 2, OMAP4_MPU_SOURCE); 589 2, OMAP4_MPU_SOURCE);
607#ifdef CONFIG_LOCAL_TIMERS 590#ifdef CONFIG_LOCAL_TIMERS
608static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, OMAP44XX_LOCAL_TWD_BASE, 29); 591static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, OMAP44XX_LOCAL_TWD_BASE, 29);
609static void __init omap4_local_timer_init(void) 592void __init omap4_local_timer_init(void)
610{ 593{
611 omap4_sync32k_timer_init(); 594 omap4_sync32k_timer_init();
612 /* Local timers are not supprted on OMAP4430 ES1.0 */ 595 /* Local timers are not supprted on OMAP4430 ES1.0 */
@@ -624,18 +607,17 @@ static void __init omap4_local_timer_init(void)
624 } 607 }
625} 608}
626#else /* CONFIG_LOCAL_TIMERS */ 609#else /* CONFIG_LOCAL_TIMERS */
627static void __init omap4_local_timer_init(void) 610void __init omap4_local_timer_init(void)
628{ 611{
629 omap4_sync32k_timer_init(); 612 omap4_sync32k_timer_init();
630} 613}
631#endif /* CONFIG_LOCAL_TIMERS */ 614#endif /* CONFIG_LOCAL_TIMERS */
632OMAP_SYS_TIMER(4, local);
633#endif /* CONFIG_ARCH_OMAP4 */ 615#endif /* CONFIG_ARCH_OMAP4 */
634 616
635#ifdef CONFIG_SOC_OMAP5 617#ifdef CONFIG_SOC_OMAP5
636OMAP_SYS_32K_TIMER_INIT(5, 1, OMAP4_32K_SOURCE, "ti,timer-alwon", 618OMAP_SYS_32K_TIMER_INIT(5, 1, OMAP4_32K_SOURCE, "ti,timer-alwon",
637 2, OMAP4_MPU_SOURCE); 619 2, OMAP4_MPU_SOURCE);
638static void __init omap5_realtime_timer_init(void) 620void __init omap5_realtime_timer_init(void)
639{ 621{
640 int err; 622 int err;
641 623
@@ -646,7 +628,6 @@ static void __init omap5_realtime_timer_init(void)
646 if (err) 628 if (err)
647 pr_err("%s: arch_timer_register failed %d\n", __func__, err); 629 pr_err("%s: arch_timer_register failed %d\n", __func__, err);
648} 630}
649OMAP_SYS_TIMER(5, realtime);
650#endif /* CONFIG_SOC_OMAP5 */ 631#endif /* CONFIG_SOC_OMAP5 */
651 632
652/** 633/**