xref: /rk3399_ARM-atf/lib/cpus/aarch64/cortex_a75_pubsub.c (revision ef860154581b3e376a846764ce1bed3aecd75e04)
1 /*
2  * Copyright (c) 2017-2026, Arm Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <cortex_a75.h>
8 #include <cpuamu.h>
9 #include <lib/cpus/cpu_ops.h>
10 #include <lib/el3_runtime/pubsub_events.h>
11 
12 static void *cortex_a75_context_save(const void *arg)
13 {
14 	if (midr_match(CORTEX_A75_MIDR) != 0)
15 		cpuamu_context_save(CORTEX_A75_AMU_NR_COUNTERS);
16 
17 	return (void *)0;
18 }
19 
20 static void *cortex_a75_context_restore(const void *arg)
21 {
22 	if (midr_match(CORTEX_A75_MIDR) != 0)
23 		cpuamu_context_restore(CORTEX_A75_AMU_NR_COUNTERS);
24 
25 	return (void *)0;
26 }
27 
28 SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_start, cortex_a75_context_save);
29 SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_finish, cortex_a75_context_restore);
30