1 /* 2 * Copyright (c) 2018-2026, Arm Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <cpuamu.h> 8 #include <lib/cpus/cpu_ops.h> 9 #include <lib/el3_runtime/pubsub_events.h> 10 #include <neoverse_n1.h> 11 12 static void *neoverse_n1_context_save(const void *arg) 13 { 14 if (midr_match(NEOVERSE_N1_MIDR) != 0) 15 cpuamu_context_save(NEOVERSE_N1_AMU_NR_COUNTERS); 16 17 return (void *)0; 18 } 19 20 static void *neoverse_n1_context_restore(const void *arg) 21 { 22 if (midr_match(NEOVERSE_N1_MIDR) != 0) 23 cpuamu_context_restore(NEOVERSE_N1_AMU_NR_COUNTERS); 24 25 return (void *)0; 26 } 27 28 SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_start, neoverse_n1_context_save); 29 SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_finish, neoverse_n1_context_restore); 30