C++ (Cpp) omap2_gp_timer_start Beispiele

Beispiel #1

Datei: timer-gp.c Projekt: 1x23/unifi-gpl

static void __init omap2_gp_timer_init(void)
{
	struct clk * sys_ck;
	u32 tick_period = 120000;
	u32 l;

	/* Reset clock and prescale value */
	timer_write_reg(OS_TIMER_NR, GP_TIMER_TCLR, 0);

	sys_ck = clk_get(NULL, "sys_ck");
	if (IS_ERR(sys_ck))
		printk(KERN_ERR "Could not get sys_ck\n");
	else {
		clk_use(sys_ck);
		tick_period = clk_get_rate(sys_ck) / 100;
		clk_put(sys_ck);
	}

	tick_period /= 2;	/* Minimum prescale divider is 2 */
	tick_period -= 1;

	l = timer_read_reg(OS_TIMER_NR, GP_TIMER_TIDR);
	printk(KERN_INFO "OMAP2 GP timer (HW version %d.%d)\n",
	       (l >> 4) & 0x0f, l & 0x0f);

	setup_irq(38, &omap2_gp_timer_irq);

	omap2_gp_timer_start(OS_TIMER_NR, tick_period);
}

Beispiel #2

Datei: timer-gp.c Projekt: Broadcom/stblinux-2.6.18

static void __init omap2_gp_timer_init(void)
{
	u32 tick_period;

	omap_dm_timer_init();
	gptimer = omap_dm_timer_request_specific(1);
	BUG_ON(gptimer == NULL);

	omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_SYS_CLK);
	tick_period = clk_get_rate(omap_dm_timer_get_fclk(gptimer)) / 100;
	tick_period -= 1;

	setup_irq(omap_dm_timer_get_irq(gptimer), &omap2_gp_timer_irq);
	omap2_gp_timer_start(tick_period);
}