microblaze/cpu/timer.c

1 // SPDX-License-Identifier: GPL-2.0+
21 		return timestamp - base;  in get_timer()
22 	return timestamp++ - base;  in get_timer()
31 		while ((get_timer(0) - i) < (usec / 1000))  in __udelay()
40 	tmr->control = tmr->control | TIMER_INTERRUPT;  in timer_isr()
45 	int irq = -1;  in timer_init()
48 	const void *blob = gd->fdt_blob;  in timer_init()
52 	debug("TIMER: Initialization\n");  in timer_init()
55 	if (!(gd->flags & GD_FLG_RELOC))  in timer_init()
59 				"xlnx,xps-timer-1.00.a");  in timer_init()
60 	if (node != -1) {  in timer_init()
63 			return -1;  in timer_init()
65 		debug("TIMER: Base addr %lx\n", base);  in timer_init()
74 		debug("TIMER: IRQ %x\n", irq);  in timer_init()
76 		preload = fdtdec_get_int(blob, node, "clock-frequency", 0);  in timer_init()
83 		tmr->loadreg = preload;  in timer_init()
84 		tmr->control = TIMER_INTERRUPT | TIMER_RESET;  in timer_init()
85 		tmr->control = TIMER_ENABLE | TIMER_ENABLE_INTR |\  in timer_init()
92 	/* No problem if timer is not found/initialized */  in timer_init()
104  * On Microblaze it just returns the timer value.
113  * On Microblaze it returns the number of timer ticks per second.