C++ (Cpp) omap_init_clocksource_32k Examples

Example #1

File: timer32k.c Project: AceKatz/networking_research

/*
 * ---------------------------------------------------------------------------
 * Timer initialization
 * ---------------------------------------------------------------------------
 */
int __init omap_32k_timer_init(void)
{
	int ret = -ENODEV;

	if (cpu_is_omap16xx()) {
		void __iomem *base;
		struct clk *sync32k_ick;

		base = ioremap(OMAP1_32KSYNC_TIMER_BASE, SZ_1K);
		if (!base) {
			pr_err("32k_counter: failed to map base addr\n");
			return -ENODEV;
		}

		sync32k_ick = clk_get(NULL, "omap_32ksync_ick");
		if (!IS_ERR(sync32k_ick))
			clk_enable(sync32k_ick);

		ret = omap_init_clocksource_32k(base);
	}

	if (!ret)
		omap_init_32k_timer();

	return ret;
}

Example #2

/*
 * ---------------------------------------------------------------------------
 * Timer initialization
 * ---------------------------------------------------------------------------
 */
bool __init omap_32k_timer_init(void)
{
	omap_init_clocksource_32k();
	omap_init_32k_timer();

	return true;
}

Example #3

File: timer.c Project: 21cnbao/linux

/* Setup free-running counter for clocksource */
static int __init __maybe_unused omap2_sync32k_clocksource_init(void)
{
	int ret;
	struct device_node *np = NULL;
	struct omap_hwmod *oh;
	void __iomem *vbase;
	const char *oh_name = "counter_32k";

	/*
	 * If device-tree is present, then search the DT blob
	 * to see if the 32kHz counter is supported.
	 */
	if (of_have_populated_dt()) {
		np = omap_get_timer_dt(omap_counter_match, NULL);
		if (!np)
			return -ENODEV;

		of_property_read_string_index(np, "ti,hwmods", 0, &oh_name);
		if (!oh_name)
			return -ENODEV;
	}

	/*
	 * First check hwmod data is available for sync32k counter
	 */
	oh = omap_hwmod_lookup(oh_name);
	if (!oh || oh->slaves_cnt == 0)
		return -ENODEV;

	omap_hwmod_setup_one(oh_name);

	if (np) {
		vbase = of_iomap(np, 0);
		of_node_put(np);
	} else {
		vbase = omap_hwmod_get_mpu_rt_va(oh);
	}

	if (!vbase) {
		pr_warn("%s: failed to get counter_32k resource\n", __func__);
		return -ENXIO;
	}

	ret = omap_hwmod_enable(oh);
	if (ret) {
		pr_warn("%s: failed to enable counter_32k module (%d)\n",
							__func__, ret);
		return ret;
	}

	ret = omap_init_clocksource_32k(vbase);
	if (ret) {
		pr_warn("%s: failed to initialize counter_32k as a clocksource (%d)\n",
							__func__, ret);
		omap_hwmod_idle(oh);
	}

	return ret;
}

Example #4

File: timer.c Project: BlueT/protego

/* Setup free-running counter for clocksource */
static int __init omap2_sync32k_clocksource_init(void)
{
	int ret;
	struct omap_hwmod *oh;
	void __iomem *vbase;
	const char *oh_name = "counter_32k";

	/*
	 * First check hwmod data is available for sync32k counter
	 */
	oh = omap_hwmod_lookup(oh_name);
	if (!oh || oh->slaves_cnt == 0)
		return -ENODEV;

	omap_hwmod_setup_one(oh_name);

	vbase = omap_hwmod_get_mpu_rt_va(oh);
	if (!vbase) {
		pr_warn("%s: failed to get counter_32k resource\n", __func__);
		return -ENXIO;
	}

	ret = omap_hwmod_enable(oh);
	if (ret) {
		pr_warn("%s: failed to enable counter_32k module (%d)\n",
							__func__, ret);
		return ret;
	}

	ret = omap_init_clocksource_32k(vbase);
	if (ret) {
		pr_warn("%s: failed to initialize counter_32k as a clocksource (%d)\n",
							__func__, ret);
		omap_hwmod_idle(oh);
	}

	return ret;
}

Example #5

File: timer-gp.c Project: hiikezoe/android_kernel_fujitsu_f11d

static void __init omap2_gp_clocksource_init(void)
{
	omap_init_clocksource_32k();
}

Example #6

					   clockevent_32k_timer.shift);
	clockevent_32k_timer.max_delta_ns =
		clockevent_delta2ns(0xfffffffe, &clockevent_32k_timer);
	clockevent_32k_timer.min_delta_ns =
		clockevent_delta2ns(1, &clockevent_32k_timer);

	clockevent_32k_timer.cpumask = cpumask_of(0);
	clockevents_register_device(&clockevent_32k_timer);
}

/*
 * ---------------------------------------------------------------------------
 * Timer initialization
 * ---------------------------------------------------------------------------
 */
bool __init omap_32k_timer_init(void)
{
	omap_init_clocksource_32k();
	omap_init_32k_timer();

	return true;
}
et = omap_init_clocksource_32k(base);
	}

	if (!ret)
		omap_init_32k_timer();

	return ret;
}