1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2018-2019, Arm Limited and Contributors. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #include <neoverse_n1.h> 8*91f16700Schasinglulu #include <cpuamu.h> 9*91f16700Schasinglulu #include <lib/el3_runtime/pubsub_events.h> 10*91f16700Schasinglulu 11*91f16700Schasinglulu static void *neoverse_n1_context_save(const void *arg) 12*91f16700Schasinglulu { 13*91f16700Schasinglulu if (midr_match(NEOVERSE_N1_MIDR) != 0) 14*91f16700Schasinglulu cpuamu_context_save(NEOVERSE_N1_AMU_NR_COUNTERS); 15*91f16700Schasinglulu 16*91f16700Schasinglulu return (void *)0; 17*91f16700Schasinglulu } 18*91f16700Schasinglulu 19*91f16700Schasinglulu static void *neoverse_n1_context_restore(const void *arg) 20*91f16700Schasinglulu { 21*91f16700Schasinglulu if (midr_match(NEOVERSE_N1_MIDR) != 0) 22*91f16700Schasinglulu cpuamu_context_restore(NEOVERSE_N1_AMU_NR_COUNTERS); 23*91f16700Schasinglulu 24*91f16700Schasinglulu return (void *)0; 25*91f16700Schasinglulu } 26*91f16700Schasinglulu 27*91f16700Schasinglulu SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_start, neoverse_n1_context_save); 28*91f16700Schasinglulu SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_finish, neoverse_n1_context_restore); 29