1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * System timer for CSR SiRFprimaII
5  * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
15 #include <linux/clk.h>
81 	ce->event_handler(ce);  in sirfsoc_timer_interrupt()
86 /* read 64-bit timer counter */
138 	for (i = 0; i < SIRFSOC_TIMER_REG_CNT - 2; i++)  in sirfsoc_clocksource_resume()
141 	writel_relaxed(sirfsoc_timer_reg_val[SIRFSOC_TIMER_REG_CNT - 2],  in sirfsoc_clocksource_resume()
143 	writel_relaxed(sirfsoc_timer_reg_val[SIRFSOC_TIMER_REG_CNT - 1],  in sirfsoc_clocksource_resume()
178 	ce->irq = irq;  in sirfsoc_local_timer_starting_cpu()
179 	ce->name = "local_timer";  in sirfsoc_local_timer_starting_cpu()
180 	ce->features = CLOCK_EVT_FEAT_ONESHOT;  in sirfsoc_local_timer_starting_cpu()
181 	ce->rating = 200;  in sirfsoc_local_timer_starting_cpu()
182 	ce->set_state_shutdown = sirfsoc_timer_shutdown;  in sirfsoc_local_timer_starting_cpu()
183 	ce->set_state_oneshot = sirfsoc_timer_shutdown;  in sirfsoc_local_timer_starting_cpu()
184 	ce->tick_resume = sirfsoc_timer_shutdown;  in sirfsoc_local_timer_starting_cpu()
185 	ce->set_next_event = sirfsoc_timer_set_next_event;  in sirfsoc_local_timer_starting_cpu()
187 	ce->max_delta_ns = clockevent_delta2ns(-2, ce);  in sirfsoc_local_timer_starting_cpu()
188 	ce->max_delta_ticks = (unsigned long)-2;  in sirfsoc_local_timer_starting_cpu()
189 	ce->min_delta_ns = clockevent_delta2ns(2, ce);  in sirfsoc_local_timer_starting_cpu()
190 	ce->min_delta_ticks = 2;  in sirfsoc_local_timer_starting_cpu()
191 	ce->cpumask = cpumask_of(cpu);  in sirfsoc_local_timer_starting_cpu()
193 	BUG_ON(request_irq(ce->irq, sirfsoc_timer_interrupt,  in sirfsoc_local_timer_starting_cpu()
195 	irq_force_affinity(ce->irq, cpumask_of(cpu));  in sirfsoc_local_timer_starting_cpu()
229 	struct clk *clk;  in sirfsoc_atlas7_timer_init()  local
231 	clk = of_clk_get(np, 0);  in sirfsoc_atlas7_timer_init()
232 	BUG_ON(IS_ERR(clk));  in sirfsoc_atlas7_timer_init()
234 	BUG_ON(clk_prepare_enable(clk));  in sirfsoc_atlas7_timer_init()
236 	atlas7_timer_rate = clk_get_rate(clk);  in sirfsoc_atlas7_timer_init()
264 		return -ENXIO;  in sirfsoc_of_timer_init()
270 		return -EINVAL;  in sirfsoc_of_timer_init()
276 		return -EINVAL;  in sirfsoc_of_timer_init()
281 TIMER_OF_DECLARE(sirfsoc_atlas7_timer, "sirf,atlas7-tick", sirfsoc_of_timer_init);