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author | Tony Lindgren <tony@atomide.com> | 2013-04-03 17:47:59 (GMT) |
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committer | Tony Lindgren <tony@atomide.com> | 2013-04-03 17:47:59 (GMT) |
commit | 7f585bbfc54fec9dcf387fd2edb2d6f4908badf8 (patch) | |
tree | fd79064e390217a56f77c5cd8236c0db6f8d9528 | |
parent | 43231b5be657fde1c4ced180d829bbd59ceef9ad (diff) | |
parent | 4615943cf3a531bc76f589c22bd366da092b7c0f (diff) | |
download | linux-7f585bbfc54fec9dcf387fd2edb2d6f4908badf8.tar.xz |
Merge branch 'omap-timer-for-v3.10' of git://github.com/jonhunter/linux into omap-for-v3.10/timer
Conflicts:
arch/arm/mach-omap2/timer.c
-rw-r--r-- | arch/arm/mach-omap2/board-cm-t3517.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-omap2/board-generic.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-omap2/common.h | 3 | ||||
-rw-r--r-- | arch/arm/mach-omap2/timer.c | 124 |
4 files changed, 66 insertions, 65 deletions
diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c index a66da80..8e0d76b 100644 --- a/arch/arm/mach-omap2/board-cm-t3517.c +++ b/arch/arm/mach-omap2/board-cm-t3517.c @@ -324,6 +324,6 @@ MACHINE_START(CM_T3517, "Compulab CM-T3517") .handle_irq = omap3_intc_handle_irq, .init_machine = cm_t3517_init, .init_late = am35xx_init_late, - .init_time = omap3_gp_gptimer_timer_init, + .init_time = omap3_gptimer_timer_init, .restart = omap3xxx_restart, MACHINE_END diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index e54a480..78813b3 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -140,7 +140,7 @@ DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)") .init_irq = omap_intc_of_init, .handle_irq = omap3_intc_handle_irq, .init_machine = omap_generic_init, - .init_time = omap3_am33xx_gptimer_timer_init, + .init_time = omap3_gptimer_timer_init, .dt_compat = am33xx_boards_compat, .restart = am33xx_restart, MACHINE_END diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index 40f4a03..bf70e2b 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -82,8 +82,7 @@ extern void omap2_init_common_infrastructure(void); extern void omap2_sync32k_timer_init(void); extern void omap3_sync32k_timer_init(void); extern void omap3_secure_sync32k_timer_init(void); -extern void omap3_gp_gptimer_timer_init(void); -extern void omap3_am33xx_gptimer_timer_init(void); +extern void omap3_gptimer_timer_init(void); extern void omap4_local_timer_init(void); extern void omap5_realtime_timer_init(void); diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 06cbb49..858ec7c 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -57,16 +57,6 @@ #include "common.h" #include "powerdomain.h" -/* Parent clocks, eventually these will come from the clock framework */ - -#define OMAP2_MPU_SOURCE "sys_ck" -#define OMAP3_MPU_SOURCE OMAP2_MPU_SOURCE -#define OMAP4_MPU_SOURCE "sys_clkin_ck" -#define OMAP5_MPU_SOURCE "sys_clkin" -#define OMAP2_32K_SOURCE "func_32k_ck" -#define OMAP3_32K_SOURCE "omap_32k_fck" -#define OMAP4_32K_SOURCE "sys_32k_ck" - #define REALTIME_COUNTER_BASE 0x48243200 #define INCREMENTER_NUMERATOR_OFFSET 0x10 #define INCREMENTER_DENUMERATOR_RELOAD_OFFSET 0x14 @@ -130,7 +120,6 @@ static void omap2_gp_timer_set_mode(enum clock_event_mode mode, } static struct clock_event_device clockevent_gpt = { - .name = "gp_timer", .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, .rating = 300, .set_next_event = omap2_gp_timer_set_next_event, @@ -171,6 +160,12 @@ static struct device_node * __init omap_get_timer_dt(struct of_device_id *match, if (property && !of_get_property(np, property, NULL)) continue; + if (!property && (of_get_property(np, "ti,timer-alwon", NULL) || + of_get_property(np, "ti,timer-dsp", NULL) || + of_get_property(np, "ti,timer-pwm", NULL) || + of_get_property(np, "ti,timer-secure", NULL))) + continue; + of_add_property(np, &device_disabled); return np; } @@ -215,16 +210,17 @@ static u32 __init omap_dm_timer_get_errata(void) } static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer, - int gptimer_id, - const char *fck_source, - const char *property, - int posted) + const char *fck_source, + const char *property, + const char **timer_name, + int posted) { char name[10]; /* 10 = sizeof("gptXX_Xck0") */ const char *oh_name; struct device_node *np; struct omap_hwmod *oh; struct resource irq, mem; + struct clk *src; int r = 0; if (of_have_populated_dt()) { @@ -244,10 +240,10 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer, of_node_put(np); } else { - if (omap_dm_timer_reserve_systimer(gptimer_id)) + if (omap_dm_timer_reserve_systimer(timer->id)) return -ENODEV; - sprintf(name, "timer%d", gptimer_id); + sprintf(name, "timer%d", timer->id); oh_name = name; } @@ -255,6 +251,8 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer, if (!oh) return -ENODEV; + *timer_name = oh->name; + if (!of_have_populated_dt()) { r = omap_hwmod_get_resource_byname(oh, IORESOURCE_IRQ, NULL, &irq); @@ -277,24 +275,24 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer, /* After the dmtimer is using hwmod these clocks won't be needed */ timer->fclk = clk_get(NULL, omap_hwmod_get_main_clk(oh)); if (IS_ERR(timer->fclk)) - return -ENODEV; + return PTR_ERR(timer->fclk); - /* FIXME: Need to remove hard-coded test on timer ID */ - if (gptimer_id != 12) { - struct clk *src; - - src = clk_get(NULL, fck_source); - if (IS_ERR(src)) { - r = -EINVAL; - } else { - r = clk_set_parent(timer->fclk, src); - if (r < 0) - pr_warn("%s: %s cannot set source\n", - __func__, oh->name); + src = clk_get(NULL, fck_source); + if (IS_ERR(src)) + return PTR_ERR(src); + + if (clk_get_parent(timer->fclk) != src) { + r = clk_set_parent(timer->fclk, src); + if (r < 0) { + pr_warn("%s: %s cannot set source\n", __func__, + oh->name); clk_put(src); + return r; } } + clk_put(src); + omap_hwmod_setup_one(oh_name); omap_hwmod_enable(oh); __omap_dm_timer_init_regs(timer); @@ -318,6 +316,7 @@ static void __init omap2_gp_clockevent_init(int gptimer_id, { int res; + clkev.id = gptimer_id; clkev.errata = omap_dm_timer_get_errata(); /* @@ -327,8 +326,8 @@ static void __init omap2_gp_clockevent_init(int gptimer_id, */ __omap_dm_timer_override_errata(&clkev, OMAP_TIMER_ERRATA_I103_I767); - res = omap_dm_timer_init_one(&clkev, gptimer_id, fck_source, property, - OMAP_TIMER_POSTED); + res = omap_dm_timer_init_one(&clkev, fck_source, property, + &clockevent_gpt.name, OMAP_TIMER_POSTED); BUG_ON(res); omap2_gp_timer_irq.dev_id = &clkev; @@ -342,8 +341,8 @@ static void __init omap2_gp_clockevent_init(int gptimer_id, 3, /* Timer internal resynch latency */ 0xffffffff); - pr_info("OMAP clockevent source: GPTIMER%d at %lu Hz\n", - gptimer_id, clkev.rate); + pr_info("OMAP clockevent source: %s at %lu Hz\n", clockevent_gpt.name, + clkev.rate); } /* Clocksource code */ @@ -360,7 +359,6 @@ static cycle_t clocksource_read_cycles(struct clocksource *cs) } static struct clocksource clocksource_gpt = { - .name = "gp_timer", .rating = 300, .read = clocksource_read_cycles, .mask = CLOCKSOURCE_MASK(32), @@ -443,13 +441,16 @@ static int __init __maybe_unused omap2_sync32k_clocksource_init(void) } static void __init omap2_gptimer_clocksource_init(int gptimer_id, - const char *fck_source) + const char *fck_source, + const char *property) { int res; + clksrc.id = gptimer_id; clksrc.errata = omap_dm_timer_get_errata(); - res = omap_dm_timer_init_one(&clksrc, gptimer_id, fck_source, NULL, + res = omap_dm_timer_init_one(&clksrc, fck_source, property, + &clocksource_gpt.name, OMAP_TIMER_NONPOSTED); BUG_ON(res); @@ -462,8 +463,8 @@ static void __init omap2_gptimer_clocksource_init(int gptimer_id, pr_err("Could not register clocksource %s\n", clocksource_gpt.name); else - pr_info("OMAP clocksource: GPTIMER%d at %lu Hz\n", - gptimer_id, clksrc.rate); + pr_info("OMAP clocksource: %s at %lu Hz\n", + clocksource_gpt.name, clksrc.rate); } #ifdef CONFIG_SOC_HAS_REALTIME_COUNTER @@ -488,7 +489,7 @@ static void __init realtime_counter_init(void) pr_err("%s: ioremap failed\n", __func__); return; } - sys_clk = clk_get(NULL, OMAP5_MPU_SOURCE); + sys_clk = clk_get(NULL, "sys_clkin"); if (IS_ERR(sys_clk)) { pr_err("%s: failed to get system clock handle\n", __func__); iounmap(base); @@ -545,49 +546,52 @@ static inline void __init realtime_counter_init(void) #endif #define OMAP_SYS_GP_TIMER_INIT(name, clkev_nr, clkev_src, clkev_prop, \ - clksrc_nr, clksrc_src) \ + clksrc_nr, clksrc_src, clksrc_prop) \ void __init omap##name##_gptimer_timer_init(void) \ { \ omap_dmtimer_init(); \ omap2_gp_clockevent_init((clkev_nr), clkev_src, clkev_prop); \ - omap2_gptimer_clocksource_init((clksrc_nr), clksrc_src); \ + omap2_gptimer_clocksource_init((clksrc_nr), clksrc_src, \ + clksrc_prop); \ } #define OMAP_SYS_32K_TIMER_INIT(name, clkev_nr, clkev_src, clkev_prop, \ - clksrc_nr, clksrc_src) \ + clksrc_nr, clksrc_src, clksrc_prop) \ void __init omap##name##_sync32k_timer_init(void) \ { \ omap_dmtimer_init(); \ omap2_gp_clockevent_init((clkev_nr), clkev_src, clkev_prop); \ /* Enable the use of clocksource="gp_timer" kernel parameter */ \ if (use_gptimer_clksrc) \ - omap2_gptimer_clocksource_init((clksrc_nr), clksrc_src);\ + omap2_gptimer_clocksource_init((clksrc_nr), clksrc_src, \ + clksrc_prop); \ else \ omap2_sync32k_clocksource_init(); \ } #ifdef CONFIG_ARCH_OMAP2 -OMAP_SYS_32K_TIMER_INIT(2, 1, OMAP2_32K_SOURCE, "ti,timer-alwon", - 2, OMAP2_MPU_SOURCE); +OMAP_SYS_32K_TIMER_INIT(2, 1, "timer_32k_ck", "ti,timer-alwon", + 2, "timer_sys_ck", NULL); #endif /* CONFIG_ARCH_OMAP2 */ #ifdef CONFIG_ARCH_OMAP3 -OMAP_SYS_32K_TIMER_INIT(3, 1, OMAP3_32K_SOURCE, "ti,timer-alwon", - 2, OMAP3_MPU_SOURCE); -OMAP_SYS_32K_TIMER_INIT(3_secure, 12, OMAP3_32K_SOURCE, "ti,timer-secure", - 2, OMAP3_MPU_SOURCE); -OMAP_SYS_GP_TIMER_INIT(3_gp, 1, OMAP3_MPU_SOURCE, "ti,timer-alwon", - 2, OMAP3_MPU_SOURCE); +OMAP_SYS_32K_TIMER_INIT(3, 1, "timer_32k_ck", "ti,timer-alwon", + 2, "timer_sys_ck", NULL); +OMAP_SYS_32K_TIMER_INIT(3_secure, 12, "secure_32k_fck", "ti,timer-secure", + 2, "timer_sys_ck", NULL); #endif /* CONFIG_ARCH_OMAP3 */ -#ifdef CONFIG_SOC_AM33XX -OMAP_SYS_GP_TIMER_INIT(3_am33xx, 1, OMAP4_MPU_SOURCE, "ti,timer-alwon", - 2, OMAP4_MPU_SOURCE); -#endif /* CONFIG_SOC_AM33XX */ +#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_AM33XX) +OMAP_SYS_GP_TIMER_INIT(3, 2, "timer_sys_ck", NULL, + 1, "timer_sys_ck", "ti,timer-alwon"); +#endif + +#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) +static OMAP_SYS_32K_TIMER_INIT(4, 1, "timer_32k_ck", "ti,timer-alwon", + 2, "sys_clkin_ck", NULL); +#endif #ifdef CONFIG_ARCH_OMAP4 -OMAP_SYS_32K_TIMER_INIT(4, 1, OMAP4_32K_SOURCE, "ti,timer-alwon", - 2, OMAP4_MPU_SOURCE); #ifdef CONFIG_LOCAL_TIMERS static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, OMAP44XX_LOCAL_TWD_BASE, 29); void __init omap4_local_timer_init(void) @@ -616,13 +620,11 @@ void __init omap4_local_timer_init(void) #endif /* CONFIG_ARCH_OMAP4 */ #ifdef CONFIG_SOC_OMAP5 -OMAP_SYS_32K_TIMER_INIT(5, 1, OMAP4_32K_SOURCE, "ti,timer-alwon", - 2, OMAP5_MPU_SOURCE); void __init omap5_realtime_timer_init(void) { int err; - omap5_sync32k_timer_init(); + omap4_sync32k_timer_init(); realtime_counter_init(); err = arch_timer_of_register(); |